Interactive Catalog Replaces Catalog Pages Honeywell Sensing and Control has replaced the PDF product catalog with the new Interactive Catalog. The Interactive Catalog is a power search tool that makes it easier to find product information. It includes more installation, application, and technical Click this icon to try the new information than ever before. Interactive Catalog. Sensing and Control Honeywell Inc. 11 West Spring Street Freeport, Illinois 61032 Standard Basic Switches Basic Switches BZ/BA Series FEATURES Standard 1 Operating force as low as 4 oz. (113 grams) maximum STANDARD BASIC SWITCH CUT-A-WAY 1 Sensitive differential travel as low as The cut-a-way shown is representative of the standard basic switches described in this .0002 to .0003 inches (0,005 to 0,008 catalog. mm) 1 Power load switching capability to 25 amperes 1 Motor handling capacity to 2 horse- power at 250 VAC 1 Long mechanical life 1 High temperature constructions for up to +400°F (204°C) 1 Momentary or maintained contact action 1 Alloy contacts available for special ap- plication needs 1 Variety of integral actuators 1 Variety of auxiliary actuators 1 Variety of terminal designs 1 Optional sealed plunger and cover 1 Stainless steel snap spring available 1 Military standard construction availa- ble with over 50 listings on the MIL- GENERAL INFORMATION The type BZ switch design meets most S-8805 Qualified products list MICRO SWITCH standard basic switches applications needs. Modifications of the 1 UL recognized, CSA certified are precision snap-action mechanisms standard silver contact design and mate- Characteristics as stated are taken at nor- enclosed in accurately molded plastic rial, spring configuration, and plunger lo- mal room temperature and humidity. cases. These switches are carefully man- cations give the type BM, BA and BE These may vary as temperature and hu- ufactured and thoroughly inspected. switches greater electrical load handling midity conditions differ. They are industry known for their com- capacity. Other changes in materials and pactness, light weight, accurate repeata- switch design provide operating charac- bility and long life. teristics, temperature tolerances, and sealing to cover a wide range of special requirements. MOUNTING DIMENSIONS Mounting dimensions are included at the GENERAL SWITCH IDENTIFICATION end of each product section. They are First letter in catalog listing designates: shown in English and metric equivalents. These dimensions are for reference only. B = Single-pole double-throw For exacting layout work, request an engi- W = Single-pole single-throw (normally closed) neering layout work, request an engineer- Y = Single-pole single-throw (normally open) ing drawing from the 800 number. Second letter in catalog listing designates: Z = Standard 15-amp version Mounting holes for Types BZ, BM, BA, BE, M = 22-amp version DT, MT, and 6AS switches accept pins or A = Standard 20-amp version screws of .139 inch (3,53 mm) diameter. E = 25-amp version RECOMMENDED TORQUE (max.) Mounting screws............3 in./lbs.* This section covers only over100 of our most popular BZ/BA type Series Terminal screws..............4 in./lbs. catalog listings. If you don’t find what you’re looking for, it’s likely one of Panel mount bushing .......4-6 in./lbs. the approximately 1800 other active listings will meet your needs. Con- tact the 800 number. *Note: Tightening mounting screws above 3 in./lbs. changes operat- ing characteristics and increases the possibility of cracking the case. UL/CSA Our basic switches are Component Recognized by Underwriters’ Laboratories, Inc. and certified by Canadian Standards Associ- ation. The BA, BZ, and BM line is covered as Special Use Switches to UL Standard1054; the BE line is covered as an Industrial Motor Controller to UL Standard 508. Agency File References are: BA UL File E12252, issued 12-09-88 BM UL File E12252, issued 12-08-88 BZ UL File E12252, issued 6-29-89 BE-1,2,5 UL File E22779, Vol. 4, Sec. 1 BE-R UL File E22779, Vol. 4, Sec. 2 For application help: call 1-800-537-6945. Honeywell Sensing and Control 47 Basic Switches BZ/BA Series Standard AVAILABLE TERMINALS Most of the BZ/BA catalog listings have A2 type terminals. Several other terminal styles are shown and others are available. Specific information should be requested from the 800 number or local Authorized Distributor. Solder (No suffix) A2 T D5 Use up to #14 wire Bottom facing 6-32 NC ´ .218N Bottom facing 6-32 NC ´ .218N screw .250N (6,35 mm) wide ´ .030N (7,62) thick screw with cup washers with Sems lockwashers quick-connect A4 (Same as A2 except #8 screws) D6 P4 PC2 .250N (6,35 mm) wide ´ .032N (0,81 mm) thick Side facing 8-32 ´ .218N screw with cup washers Self lifting pressure plate terminals and plastic quick-connect barriers for added dielectric protection ACTUATORS BA, BE, BM and BZ standard basic switches use the actuators described. Pin plunger; in-line motion Overtravel plunger; in-line Added overtravel in a panel mount Leaf; Low-force, slow moving cams or applications requiring additional roller plunger; Actuation by cams slides overtravel Roller lever; Very low force, fast Roller leaf; Low-force, large Lever; Very low force, slow cams and Added overtravel in a panel-mount moving cams movement actuation slides plunger; Heavy-duty in-line applications or slow cams. Cam rise should not exceed 30° 48 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel; O.P. — Operating Position. ORDER GUIDE by ascending electrical capability PIN PLUNGER Electrical Data And O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.** Catalog UL Codes newtons newtons mm mm mm mm Listing Recommended For Page 46 ounces ounces inches inches inches inches Applications requiring 1 Amp 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 BZ-2R72-A2 gold alloy contacts P 9-13 4 .015 .005 .0004-.0020 .625 BZ/BA TYPE Gold alloy contacts 1 Amp 2,22-4,17 1,11 — 0,13 0,01-0,06 15,88 BZ-2R725551-A2 Dustproof and splash P 8-15 4 — .005 .0004-.0025 .625 resistant seal Operating in temp. to 5 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 BZ-2R244-A2 +400°F (204°C) for B 9-13 4 .015 .005 .0004-.0020 .625 100 hours Lower force 10 Amps 1,11 0,7 0,30 0,13 0,005-0,013 15,88 BZ-R21-A2 Dim. Dwg. Fig. 1 C 4 2.5 .012 .005 .0002-.0005 .625 Most applications 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 BZ-2R-A2 SPDT A 9-13 4 .015 .005 .0004-.0020 .625 SPST (normally 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 WZ-2R-A2 closed) A 9-13 4 .015 .005 .0004-.0020 .625 SPST (normally open) 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 YZ-2R-A2 A 9-13 4 .015 .005 .0004-.0020 .625 SEALED TYPE Less differential travel 15 Amps 1,95-2,5 1,11 0,30 0,13 0,005-0,008 15,88 BZ-R-A2 D 7-9 4 .012 .005 .0002-.0003 .625 Best repeatability 15 Amps 1,95-3,34 1,11 0,30 0,13-0,2 0,005-0,02 16,26 BZ-R19-A2 D 7-12 4 .012 .005-.008 .0002-.0008 .640 Operating in temp. to 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 BZ-2R24-A2 +250°F (121°C) A 9-13 4 .015 .005 .0004-.0020 .625 Dim. Dwg. Fig. 2 MIL-S-8805 application 15 Amps 2,5-3,61 1,67 0,38 0,13 0,01-0,05 15,88 BZ-2RT04 requirements A 9-13 6 .015 .005 .0004-.0020 .625 (8805/1-004) Best stability under 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88 BZ-2R05-A2 varying humidity A 9-13 4 .015 .005 .0004-.0020 .625 Dustproof and splash 15 Amp 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88 BZ-2R5551-A2 resistant seal A 9-15 4 — .005 .0004-.0025 .625 Best service for sealed 15 Amps 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88 BZ-2R55-A2-S BA/BE TYPE construction. Stainless A 9-15 4 — .005 .0004-.0025 .625 steel internal snap spring. Up to 20 ampere load 20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 BA-2R-A2 handling G 14-22 10 .050 .010 .0020-.0075 .640 Operating in 20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 BA-2R24-A2 temperature to +250°F G 14-22 10 .050 .010 .0020-.0075 .640 Dim. Dwg. Fig. 3 (121°C) Up to 22 ampere load 22 Amps 1,95-2,78 1,11 0,38 0,13 0,013-0,025 15,88 BM-1R-A2 handling F 7-10 4 .015 .005 .0005-.0010 .625 Up to 25 ampere load 25 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26 BE-2R-A4 handling H 14-22 10 .050 .010 .0020-.0075 .640 Manual reset 15 Amps 1,95-2,5 — 0,30 0,13 — 15,88 BZ-RX (maintained contact) E 7-9 — .012 .005 — .625 applications, solder 0,56-2,78* — — 0,38* terminals 2-10 — — .015 Manual reset SPST- 20 Amps 5,56 — — 0,25 0,20 16,26 WA-1RX-A4 NC, A4 terminals W 20 — — .010 .008 .64 6,95* — — — — 27,9* 25 — — — — 1.10 Dim. Dwg. Fig. 4 *Reset characteristics. Except where stated ** ±0,38mm ±.015 in. All catalog listings shown are not necessarily stock items. Stocking Auxiliary actuators see p. 62-63. depends on sales experience. For application help: call 1-800-537-6945. Honeywell Sensing and Control 49 Basic Switches BZ/BA Series Standard Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel; O.P. — Operating Position. OVERTRAVEL ORDER GUIDE PLUNGER Electrical Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.* UL Codes newtons newtons mm mm mm mm Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-2RD72-A2 Applications requiring gold 1 Amp 2,5-3,61 1,11 0,38 1,52 0,01-0,05 21,21 alloy contacts P 9-13 4 .015 .060 .0004- .835 .0020 BZ-2RD-A2 Added overtravel. For 15 Amps 2,5-3,61 1,11 0,38 1,52 0,01-0,05 21,21 Dim. Dwg. Fig. 11 manual operation and slow A 9-13 4 .015 .060 .0004- .835 20° (max) cam rise .0020 BZ-2RD24-A2 Operating in temperature 15 Amps 2,5-3,61 1,11 0,38 1,52 0,01-0,05 21,21 to +250°F (121°C) A 9-13 4 .015 .060 .0004- .835 .0020 BM-1RD-A2 Up to 22 ampere load 22 Amps 1,95-2,78 1,11 0,38 1,52 0,013-0,025 21,21 handling F 7-10 4 .015 .060 .0005- .835 .0010 BZ-2RDS725551-A2 Applications requiring gold 1 Amp 3,61-5,28 1,11 1,52 0,01-0,063 28,20 alloy contacts plus P 13-19 4— .060 .0004- 1.110 dustproof and splash .0025 resistant seal BZ-2RDS5551-A2 Dustproof and splash 15 Amps 3,61-5,28 1,11 1,52 0,01-0,063 28,20 resistant seal A 13-19 4— .060 .0004- 1.110 .0025 Dim. Dwg. Fig. 12 BA-2RB-A2 Up to 20 ampere load 20 Amps 3,89-6,12 2,78 1,27 2,39 0,05-0,19 26,20 handling G 14-22 10 .050 .094 .0020- 1.03 .0075 BE-2RB-A4 Up to 25 ampere load 25 Amps 3,89-6,12 2,78 1,27 2,39 0,05-0,19 26,20 handling H 14-22 10 .050 .094 .0020- 1.03 .0075 Dim. Dwg. Fig. 13 BZ-2RS72-A2 Applications requiring gold 1 Amp 2,5-3,61 1,11 0,38 1,52 0,01-0,05 28,20 alloy contacts P 9-13 4 .015 .060 .0004- 1.110 .0020 BZ-2RS-A2 Added overtravel. For 15 Amps 2,5-3,61 1,11 0,38 1,52 0,01-0,063 28,20 in-line operation and with JR A 9-13 4 .015 .060 .0004- 1.110 auxiliary actuators .0025 BZ-2RS24-A2 Operating in temperature 15 Amps 2,5-3,61 1,11 0,38 1,52 0,01-0,05 28,20 to +250°F (121°C) A 9-13 4 .015 .060 .0004- 1.110 .0020 BZ-2RST04 MIL-S-8805 application 15 Amps 2,5-3,61 1,67 0,38 1,52 0,01-0,05 28,20 (M8805/1-012) requirements A 9-13 6 .015 .060 .0004- 1.110 .0020 Dim. Dwg. Fig. 14 BZ-RSX Manual reset 15 Amps 1,95-2,64 — 0,30 0,64 — 2,79 solder terminals E 7-9 — .012 .025 — 1.11 BM-1RS-A2 Up to 22 ampere load 22 Amps 1,95-2,78 1,11 0,38 1,52 0,013-0,025 28,20 handling F 7-10 4 .015 .060 .0005- 1.110 .0010 BZ-2RS7225551-A2 Applications requiring gold 1 Amp 2,5-4,17 1,11 1,52 0,01-0,063 28,20 alloy contacts plus P 9-15 4— .060 .0004- 1.110 dustproof and splash .0025 resistant seal BZ-2RS5551-A2 Dustproof and splash 15 Amps 2,5-4,17 1,11 1,52 0,01-0,063 28,20 resistant seal A 9-15 4— .060 .0004- 1.110 .0025 *±0,51 mm ±.020 in. Dim. Dwg. Fig. 15 50 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard ORDER GUIDE OVERTRAVEL PLUNGER Electrical Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.** UL Codes newtons newtons mm mm mm mm Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-2RQ-A2 Added overtravel. For 15 Amps 2,5-3,61 1,11 0,38 5,56 0,01-0,05 38,10±0,51 manual in-line operation and A 9-13 4 .015 .219 .0004- 1.500±.020 for slow 30° (max) rise cams .0020 BZ-2RQ24-A2 Operating in temperature 15 Amps 2,5-3,61 1,11 0,38 5,56 0,01-0,05 38,10±0,51 to ±250°F (121°C) A 9-13 4 .015 .219 .0004- 1.500±.020 .0020 Dim. Dwg. Fig. 16 BZ-2RQ172-A2 Applications requiring gold 1 Amp 2,5-3,61 1,11 0,38 5,56 0,01-0,05 21,82 alloy contacts P 9-13 4 .015 .219 .0004- .859 .0020 BZ-2RQ1-A2 BZ-2RQ-A2 type applications 15 Amps 2,5-3,61 1,11 0,38 5,56 0,01-0,05 21,82 BZ/BM TYPE with panel mount A 9-13 4 .015 .219 .0004- .859 .0020 BZ-2RQ1T04 MIL-S-8805 application 15 Amps 2,5-3,61 1,67 0,38 5,56 0,01-0,05 21,82 (M8805/1-020) requirements A 9-13 6 .015 .219 .0004- .859 .0020 BZ-2RQ124-A2 Operating in temperature 15 Amps 2,5-3,61 1,11 0,38 5,56 0,01-0,05 21,82 to ±250°F (121°C) A 9-13 4 .015 .219 .0004- .859 .0020 BZ-2RN702 Furnished with 15 Amps 2,5-3,61 1,11 0,38 3,18 0,01-0,05 48,4±0,50 Dim. Dwg. Fig. 17 unassembled seal X 9-13 4 0.15 .125 .0004- 1.906±.020 boot. .0020 BZ-RQ1X Manual reset. 15 Amps 1,67-2,64 – 0,30 5,56 – 23,42±1,14 Solder terminals E 6-9.5 – 0.12 .219 – .922±.045 7,14* BA TYPE .281* BA-2RQ1-A2 Up to 20 ampere load 20 Amps 3,89-6,12 2,78 1,27 5,56 0,05-0,19 21,82 handling G 14-22 10 .050 .219 .0020- .859 .0075 BM-1RQ1-A2 Up to 22 ampere load 22 Amps 1,95-2,78 1,11 0,38 5,56 0,013- 21,82 handling F 7-10 4 .015 .219 0,025 .859 .0005- .0010 Dim. Dwg. Fig. 18 BZ-2RQ1872-A2 Applications requiring gold 1 Amp 2,5-3,61 1,11 0,38 3,56 0,01-0,05 33,32±1,14 alloy contacts P 9-13 4 .015 .140 .0004- 1.312±.045 .0020 BZ-2RQ18-A2 Added overtravel. Roller 15 Amps 2,5-3,61 1,11 0,38 3,56 0,01-0,05 33,32±1,14 plunger for rapid cam (30° A 9-13 4 .015 .140 .0004- 1.312±.045 max) rise and slide .0020 operation. Panel mount BZ-2RQ1824-A2 Operating in temperature 15 Amps 2,5-3,61 1,11 0,38 3,56 0,01-0,05 33,32±1,14 to ±250°F) (121°C) A 9-13 4 .015 .140 .0004- 1.312±.045 .0020 BZ-2AQ18T1 Double-break 15 Amps 3,89-6,68 1,11 0,51 3,58 0,03-0,10 33,35±1,19 circuitry T 14-24 4 .020 .141 .001-.004 1.313±.047 BM-1RQ18-A2 Up to 22 ampere load 22 Amps 1,95-2,78 1,11 0,38 3,56 0,013- 33,32±1,14 Dim. Dwg. Fig. 19 handling F 7-10 4 .015 .140 0,025 1.312±.045 .0005- .0010 BZ-2RQ181-A2 Applications requiring 15 Amps 2,5-3,61 1,11 0,38 3,56 0,01-0,05 33,32±1,14 roller plunger 90° to major A 9-13 4 .015 .140 .0004- 1.312±.045 axis of switch .0020 * Reset characteristics. Except where stated ** ±0,76 mm Dim. Dwg. Fig. 20 ±.030 in. For application help: call 1-800-537-6945. Honeywell Sensing and Control 51 Basic Switches BZ/BA Series Standard Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel; O.P. — Operating Position. STRAIGHT LEVER ORDER GUIDE Electrical Data and O.F. max. R.F. min. P.T. max. O.T. min. D.T. O.P.** Recommended UL Codes newtons newtons mm mm mm mm Catalog Listing For Page 46 ounces ounces inches inches inches inches BZ-2RW8072-A2 Applications 1 Amp 0,7 0,14 5,56 0,18-1,27 19,1 requiring gold alloy P 2.5 0.5 — .219 .007-.050 .750 BZ/BM TYPE contacts BZ-2RW80722555105-A2 Best stability under 1 Amp 0,7 0,14 5,56 0,18-1,27 19,1 varying humidity. P 2.5 0.5 — .219 .007-.050 .750 Gold alloy contacts with seal BZ-2RW8244-A2 Operating in temp. 5 Amps 0,7 0,14 5,56 0,18-1,27 19,1 to +400°F (204°C) B 2.5 0.5 — .219 .007-.050 .750 for 100 hours BZ-RW8435-A2 Lowest operating 10 Amps 0,07 6,76 5,56 0,08-0,38 19,1 force (without I .25 — .266 .219 .003-.015 .750 external return Dim. Dwg. Fig. 21 spring) BZ-2RW876T 1.25 inch lever 15 Amps 1,67 0,42 0,42 0,10-0,63 19,1 requirements A 6 1.5 — .141 .004-.025 .750 BZ-2RW80-A2 2.5 inch lever 15 Amps 0,7 0,14 5,56 0,18-1,27 19,1 requirements A 2.5 0.5 — .219 .007-.050 .750 BZ-2RW84-A2 Lower force (without 15 Amps 0,28 0,03 8,33 5,56 0,18-1,27 19,1 external return A 1 0.125 .328 .219 .007-.050 .750 BA TYPE spring) BZ-2RW805551-A2 Dustproof and 15 Amps 0,7 0,14 5,56 0,18-1,27 19,1 splash resistant seal A 2.5 0.5 — .219 .007-.050 .750 BZ-2RWT04 MIL-S-8805 15 Amps 0,28-0,90 0,21 7,52 4,37 2,36 19,1 (M8805/1-044) application A 1-3.25 0.75 .296 .172 .093 .750 requirements BZ-2RW824-A2 Operating in 15 Amps 0,7 0,14 5,56 0,18-1,27 19,1 temperature to A 2.5 0.5 — .219 .007-.050 .750 +250°F (121°C) BZ-RW80X Manual reset solder 15 Amps 0,63 — — 5,56 — 19,05 Dim. Dwg. Fg. 23 terminals E 2.25 — — .219 — .750 0,38* – 7,14* .015 – .281 BZ-2RW863-A2 6 inch lever 15 Amps 0,28 12,7 0,46-3,68 19,1±1,52 requirements A 1— — .500 .018-.145 .750±.060 BA-2RV-A2 Up to 20 ampere 20 Amps 0,7 0,14 15,88 1,98 2,77 19,1 load handling G 2.5 0.5 .625 .078 .109 .750 BM-1RW84-A2 Up to 22 ampere 22 Amps 0,28 0,03 7,54 5,56 0,13-0,84 19,1 load handling F 1 0.125 .297 .219 .005-.033 .750 BE-2RV-A4 Up to 25 ampere 25 Amps 0,7 0,14 15,88 1,98 2,77 19,1 load handling H 2.5 0.5 .625 .078 .109 max. .750 ADJUSTABLE * Reset characteristics. BZ-2RW899-A2 Adjustable 15 Amps 0.7 0.14 3,54† 0,18-1,27 17,02-22,35 operating point (17 A 2.5 0.5 — .125 .007-.050 .670-.880 mm to 22 mm) .670N to .880N BZ-2RM-A2 Reverse acting 15 Amps 1,67 0,28 5,56 5,56 0,10-0,89 19,1 Dim. Dwg. Fg. 22 actuator (switch A 6 1 .219 .219 .004-.035 .750 plunger depressed in free position) Except where stated ** ±0.76 mm 17 mm † From O.P. ±.030 in. .670 in. Dim. Dwg. Fig. 24 52 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard SIMULATED ROLLER ORDER GUIDE Electrical O.F. R.F. P.T. O.T. Data And max. min. max. min. D.T. O.P.** Catalog UL Code newtons newtons mm mm mm mm Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-2RW80147-A2 1.05 inch (26,7 mm) 15 Amps 1,67 0,42 2,39 0,08-0,51 30,17 (simulated roller) A 6 1.5 — .094 .003-.020 1.188 lever applications BZ-2RW80196-A2 1.90 inch (48,3 mm) 15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76 (simulated roller) A 3.5 0.75 — .156 .004-.040 1.188±.030 lever applications Dim. Dwg. Fig. 27 ROLLER LEVER BZ-2RW82272-A2 Applications 1 Amp 1,67 0,42 2,39 0,08-0,51 30,17 requiring gold alloy P 6 1.5 — .094 .003-.020 1.188 contacts BZ-2RW822725551-A2 Applications 1 Amp 1,67 0,42 2,39 0,08-0,51 30,17 requiring gold alloy P 6 1.5 — .094 .003-.020 1.188 BZ/BM TYPE contacts plus dustproof and splash resistant seal BZ-2RW822-A2 1.05 inch (26,7 mm) 15 Amps 1,67 0,42 2,39 0,08-0,51 30,17 (steel roller) lever A 6 1.5 — .094 .003-.020 1.188 applications BZ-2RW8222-A2 Roller turned 90° 15 Amps 0,7-1,81 0,35 3,58 0,08-0,51 30,75 — A 2.5-6.5 1.25 .141 max. .003-.020 1.25 Dim. Dwg. Fig. 25 BZ-2RW82224-A2 Operating in 15 Amps 1,67 0,42 2,39 0,08-0,51 30,17 temperature to A 6 1.5 — .094 .003-.020 1.188 +250°F (121°C) BZ-2RW8225551-A2 Dustproof and 15 Amps 1,67 0,42 2,39 0,08-0,51 30,17 splash resistant seal A 6 1.5 — .094 .003-.020 1.188 BZ-2RW82255-A2-S Best service for 15 Amps 1,67 0,42 2,39 0,08-0,51 30,17 sealed construction. A 6 1.5 — .094 .003-.020 1.188 Stainless steel internal snap spring. BA-2RV22-A2 Up to 20 ampere 20 Amps 1,67 0,42 6,35 0,76 1,14 29,77 load handling G 6 1.5 .250 .030 .045 max. 1.172 Dim. Dwg. Fig. 28 BM-1RW822-A2 Up to 22 ampere 22 Amps 1,67 0,42 2,39 0,025-0,33 30,17 load handling F 6 1.5 — .094 .001-.013 1.188 BE-2RV22-A4 Up to 25 ampere 25 Amps 1,67 0,42 6,35 0,76 1,14 29,77 load handling H 6 1.5 .250 .030 .045 max. 1.172 BA/BE TYPE BZ-2RW82299-A2 Adjustable operating 15 Amps 1,67 0,42 1,02 0,08-0,51 29,77-30,56 point. Roller lever A 6 1.5 — .040 .003-.020 1.172-1.203 1.05 inch (26,7 mm) BZ-2RW8299-A2 Adjustable operating 15 Amps 0,97 0,21 2,16 0,10-1,0 29,2-31,5 point. Roller lever A 3.5 0.75 — .085 .004-.040 1.150-1.24 1.90 inch (48,3 mm) Dim. Dwg. Fig. 26 Except where stated * ±0,38 mm ±.015 in. For application help: call 1-800-537-6945. Honeywell Sensing and Control 53 Basic Switches BZ/BA Series Standard Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel; ROLLER LEVER ORDER GUIDE O.P. — Operating Position. Electrical O.F. R.F. P.T. O.T. Data And max. min. max. min. D.T. O.P.* Catalog Recommended UL Code newtons newtons mm mm mm mm BZ/BM TYPE Listing For Page 46 ounces ounces inches inches inches inches BZ-2RW82725551-A2 Applications requiring 1 Amp 0,97 0,21 3,96 0,10-1,0 30,17±0,76 gold alloy contacts, P 3.5 0.75 — .156 .004-.040 1.188±.030 plus dustproof, and splash resistant seal BZ-2RW82-A2 1.90 inch (48,3 mm) 15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76 (steel roller) lever A 3.5 0.75 — .156 .004-.040 1.188±.030 applications Dim. Dwg. Fig. 29 BZ-2RW825551-A2 Dustproof and splash 15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76 resistant seal A 3.5 0.75 — .156 .004-.040 1.188±.030 BA/BE TYPE BZ-2RW8224-A2 Operating in 15 Amps 0,97 0,21 3,96 0,10-1,0 30,17±0,76 temperature to A 3.5 0.75 — .156 .004-.040 1.188±.030 +250°F (121°C) BA-2RV2-A2 Up to 20 ampere load 20 Amps 0,97 0,14 11,89 1,52 2,16 30,17±0,76 handling G 3.5 0.5 .468 .060 .085 1.188±.030 BM-1RW82-A2 Up to 22 ampere load 22 Amps 0,97 0,21 3,96 0,08-0,56 30,17±0,76 handling F 3.5 0.75 — .156 .003-.022 1.188±.030 BE-2RV2-A4 Up to 25 ampere load 25 Amps 0,97 0,14 11,89 1,52 2,16 30,17±0,76 Dim. Dwg. Fig. 30 handling H 3.5 0.5 .468 .060 .085 max. 1.188±.030 NOTE: For adjustable operate point and simulated roller lever switches, refer to previous page. BZ-RW922-A2 Best repeatability and 10 Amps 3,34 1,11 0,38 2,54 0,013-0,025 31,37 O.P. stability I 12 4 .015 .100 .0005-.0010 1.235 Dim. Dwg. Fig. 31 BZ-2RW826-A2 One-way roller (9,4 15 Amps 1,67 0,42 2,39 0,08-0,51 41,34 mm H 3,8 mm) .37N A 6 1.5 — .094 .003-.020 1.625 dia. H .15N wide roller BZ-2RW825-A2 One-way roller (4,83 15 Amps 2,22 0,42 1,52 0,38 28,96 mm H 4,83 mm) .19N A 8 1.5 — .060 .015 1.14 dia. H .19N wide roller Dim. Dwg. Fig. 32 Except where stated * ±0,38 mm ±.015 in. 54 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard FLEXIBLE LEAF ORDER GUIDE Electrical Data and O.F. max. R.F. min. P.T. max. O.T. min. D.T. max. O.P.** UL Codes newtons newtons mm mm mm mm Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ TYPE BZ-2RL-A2 Force and stability of the 15 Amps 1,39 0,14 1,52 1,27 17,48 flexible leaf actuator A 5 0.5 – .060 .050 .688 BZ-2RL5551-A2 Dustproof and splash 15 Amps 1,95 0,14 1,52 1,27 17,48 resistant seal A 7 0.5 – .060 .050 .688 BZ-2RLT04 MIL-S-8805 application 15 Amps 1,39 0,14 1,52 1,27 17,48 Dim. Dwg. Fig. 33 (M8805/1-001) requirements A 5 0.5 – .060 .050 .688 BZ-2RL24-A2 Operating in temperature 15 Amps 1,39 0,14 1,52 1,27 17,48 BA/BE TYPE to +250°F (121°C) A 5 0.5 – .060 .050 .688 BZ-RLX Manual reset. 15 Amps 0,83 – – 1,57 – 17,48 Solder terminals E 3 – – .062 – .688 0,38* – 7,14* .015 – .281 BA-2RL-A2 Up to 20 ampere load 20 Amps 2,5 0,28 1,57 1,57 17,48 Dim. Dwg. Fig. 34 handling G 9 1– .062 .062 .688 BE-2RL-A4 Up to 25 ampere load 25 Amps 2,5 0,28 1,57 1,57 17,48 handling H 9 1– .062 .062 .688 FLEXIBLE ORDER GUIDE ROLLER LEAF Electrical Data and O.F. max. R.F. min. P.T. max. O.T. min. D.T. max. O.P.* UL Codes newtons newtons mm mm mm mm BZ TYPE Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-RL24-A2 Operating in temp. to 5 Amps 1,39 0,14 1,52 1,27 28,6 +250°F (121°C) B 5 0.5 – .060 .050 1.125 for 100 hours BZ-2RL2-A2 Force and stability of the 15 Amps 1,39 0,14 1,52 1,27 28,6 flexible leaf with roller A 5 0.5 – .060 .050 1.125 Dim. Dwg. Fig. 35 BZ-2RL25551-A2 Dustproof and splash 15 Amps 1,95 0,14 1,52 1,27 28,6 resistant seal A 7 0.5 – .060 .050 1.125 BA/BE TYPE BZ-2RL2T04 MIL-S-8805 application 15 Amps 1,04-1,39 0,14 1,52 1,27 28,6 (M8805/1-036) requirements A 3.75-5 0.5 – .060 .050 1.125 BA-2RL2-A2 Up to 20 ampere load 20 Amps 2,5 0,28 1,52 1,65 28,6 handling G 9 1– .060 .065 1.125 BE-2RL2-A4 Up to 25 ampere load 25 Amps 2,5 0,28 1,52 1,65 28,6 handling H 9 1– .060 .065 1.125 * Reset characteristics Dim. Dwg. Fig. 36 ** ±0.76 mm ±.030 in. For application help: call 1-800-537-6945. Honeywell Sensing and Control 55 Basic Switches BZ/BA Series Standard GENERAL INFORMATION SPECIAL CIRCUITRY SWITCHES ‘‘Special sequence’’ switches provide un- provides a single pulse or momentary usual circuit control. A make-before- closure of the contacts with each cycle of break switch provides circuit continuity operation. while switching from N.C. to N.O. In an- other make-before-make switch, upon Double break versions can interrupt grea- actuation, one circuit is made an interval ter inductive loads and feature shorting before the second circuit. Another switch bar construction. A split contact version allows control of the two isolated circuits. Characteristics: O.F. – Operating Force; R.F. – Release Force; P.T. – Pretravel; O.T. – Overtravel; D.T. – Differential Travel; PIN PLUNGER O.P. – Operating Position. ORDER GUIDE Electrical Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.* UL Codes newtons newtons mm mm mm mm Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-2G-A2 Make-before-break 10 Amps 5,56 2,22 0,76 0,13 0,38 15,9 contact action C 20 max. 8 .030 .005 .015 .625 Dim. Dwg. Fig 5 Unoperated Intermediate Fully Intermediate Fully Operated Release Released 6BS1-B Make-before-make 10 Amps 9,73 2,78 contact action R 35 max. 10 – – – – Dim. Dwg. Fig. 6 *±0,38 mm ± .015 in. 10BS210 Adjustable 20 Amps 3,10-5,56 2,78 0,25 0,04-0,06 16,3 differential travel Y 11-20 10 – .010 at .0015-.0025 .64 max. 0,18 setting .007 at max. setting Dim. Dwg. Fig. 4-A 56 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard PIN PLUNGER — SPECIAL CIRCUITRY ORDER GUIDE Electrical Data and O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.* UL Codes newtons newtons mm mm mm mm Catalog Listing Recommended For Page 46 ounces ounces inches inches inches inches BZ-3AT Double-break, low 15 Amps 4,45-7,23 1,11 0,76 0,13 0,051-0,13 15,9 voltage DC applications T 16-26 4 .030 .005 .002-.005 .625 BZ-2AW80T As above, with 15 Amps 0,90 0,14 – 5,56 0,51 19,05±0,76 2.5 inch lever T 3.25 .25 – .219 2.54 .750±.030 BZ-2AW82T As above, with 15 Amps 1,25 0,21 – 3.96 0,38-1,91 30,18±0,76 Dim. Dwg. Fig. 8 1.9 inch roller lever T 4.5 .75 – .156 .015-.075 1.188±.030 BZ-2AW822T As above, with 15 Amps 2,36 0,42 – 2,39 0,20-2,39 30,18±0,76 1.05 inch roller lever T 8.5 1.5 – .094 .008-.030 1.188±.030 BA-3ST Double-break, low 25 Amps 7,23-10,6 2,78 1,65 0,25 0,18-0,38 16,3 voltage DC applications M 26-38 10 .065 .010 .007-.015 .640 Dim. Dwg. Fig. 9 BZ-3YT MIL-S-8805 application 5 Amps 4,45-7,23 1,11 0,76 0,13 0,025-0,1 15,9 (MS25383-1) requirements. (split U 16-26 4 .030 .005 .001-.004 .625 contact) BZ-3YWT80 As above, with 5 Amps 0,97 0,14 – 5,56 0,51-2,54 19,05±0,76 2.50 inch lever U 3.5 .5 – .219 .020-.100 .750±.030 Dim. Dwg. Fig. 10 BZ-3YWT82 As above, with 5 Amps 1,25 0,21 – 3,96 0,38-1,91 30,18±0,76 1.9 inch roller lever U 4.5 .75 – .156 .015-.075 1.188±.030 BZ-3YWT822 As above, with 5 Amps 1,95 0,42 – 2,39 0,20-1,02 30,19 1.05 inch roller lever U 7 1.5 – .094 .008-.040 .188 Except where stated * ±0,38 mm ±.015 in. For application help: call 1-800-537-6945. Honeywell Sensing and Control 57 Basic Switches BZ/BA Series Standard MOUNTING DIMENSIONS (For reference only) PIN PLUNGERS BZ/BM BA/BE Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 4-A PIN PLUNGERS — SPECIAL CIRCUITRY Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 10 Mounting holes accept pins or screws of .139 N (3,53 mm) diameter. 58 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard MOUNTING DIMENSIONS (For reference only) OVERTRAVEL PLUNGERS Fig. 11 Fig. 12 Fig. 13 Fig. 14 Fig. 15 Fig. 16 *Fig. 17 *Fig. 18 *Fig. 19 *Fig. 20 * Threaded bushings are 15/32-32ns. For application help: call 1-800-537-6945. Honeywell Sensing and Control 59 Basic Switches BZ/BA Series Standard MOUNTING DIMENSIONS (For reference only) STRAIGHT LEVERS Fig. 21 Fig. 22 Fig. 23 Fig. 24 Fig. 25 Fig. 26 FLEXIBLE LEAF ACTUATOR Fig. 33 Fig. 34 60 Honeywell Sensing and Control For application help: call 1-800-537-6945. Standard Basic Switches Basic Switches BZ/BA Series Standard MOUNTING DIMENSIONS ROLLER LEVERS Fig. 27 Fig. 28 Fig. 29 Fig. 30 Fig. 31 Fig. 32 FLEXIBLE ROLLER LEAF Mounting holes accept pins or screws of .139N (3,53 mm) diameter. Fig. 35 Fig. 36 For application help: call 1-800-537-6945. Honeywell Sensing and Control 61