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Most of them are UL-CSA listed. Appropriate file reference numbers and copies of the card file are available from your local Branch Office or MICRO SWITCH, Freeport, Illinois. NEMA TYPE 7, CLASS I NEMA TYPE 9, CLASS II FLAMMABLE GASES OR VAPORS COMBUSTIBLE DUSTS Type 7 enclosures are for use indoors in Type 9 enclosures are for use in indoor locations classified as Class I, Groups B, C, locations classified as Class II, Groups E, F or D by the National Electrical Code. or G, as defined in the National Electrical Code. Group B — (only switches so noted in the order guides include this listing). Atmo- Group E — Atmospheres containing metal spheres containing hydrogen or manufac- dust. tured gas. Group F — Atmospheres containing carbon Group C — atmospheres containing diethyl black, coal dust or coke dust. ether, ethylene, or cyclopropane. Group G — Atmospheres containing flour, Group D — Atmospheres containing gaso- starch, or grain dust. line, hexane, butane, naptha, propane, ace- tone, toluene, or isoprene. DIVISION 1 Locations in which hazardous agents are present under normal operating conditions. DIVISION 2 Locations in which hazardous agents may be present only in case of accidental rupture or breakdown. All MICRO SWITCH listings covered in Divi- sion 1 are also covered in the same groups in Division 2. A112 Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada Limit/Enclosed Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches FEATURES 1 Sealing - applicable portions of NEMA 1, 3, 4, 6, 7, 9, and 13. 1 Tracking interchangeability with MICRO SWITCH ML-E1 and HDLS. 1 Variety of heads and non-sparking actuators. 1 Field adjustability matches switch to application. 1 Momentary, maintained, random sequence, or center neutral action. 1 10 amps continuous carry electrical rating. 1 Choice of silver or gold contacts. 1 3 1 ⁄2 or ⁄4 inch conduit opening. 1 UL Listed, file #E61730 1 CSA Certified, file #LR57327 1 Internal grounding screw. LSX switches are for use either indoors or SEALS NEMA standards: 1, 3, 4, 6, 7, 9 and 13. UL outdoors in hazardous atmospheres as they Application proven HDLS head seals are listed and CSA certified: Class I, Div. 1, are a completely sealed explosion-proof de- retained to seal the top of the LSX. The Groups B, C and D. Class II, Div. 1, Groups vice. Mounting hole location and tracking is circular cover on the front is easily unscrew- E, F and G. same as the long established MICRO ed to expose the switching elements for SWITCH ML-E1 explosion-proof switch. wiring or replacement. A screwdriver or bar used on the wrenching lugs extending from An optional mounting plate provides the the front of the cover allows easy removal or same tracking and mounting as the stan- tightening. An O-ring seal is located be- dard HDLS. The majority of HDLS operating tween the housing and cover. heads and circuitry options are available on the LSX. The LSX withstands pressure of an internal explosion and cools the exploding gases Standard HDLS levers are used, but be- below the kindling temperature of the explo- cause of explosion-proof requirements, on- sive atmosphere. Flame paths are provided ly nylon rollers or other non-sparking materi- by the cover-housing threads and an ex- al can be selected. Plunger and cat whisker tended plunger between the switch cavity types listed in the LSX order guide are of and head. non-sparking material. Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada A113 Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches HOW TO ORDER The order guide shows the option codes which are added to the LSX prefix to operation, with the actuator shaft facing the front (label side) of the switch. specify the operating head, body and circuitry, assembly modifications (if The actuator (-1A) is in a 1.5 in. lever with a .75 in. nylon roller on the open side. desired) and actuator type. There are list price adders for double-pole circuitry and the actuators. (Levers may also be ordered separately by specifying the LSX listings shown in the The example given below is LSXA3K-1A. This is an explosion-proof LSX actuator code description.) switch with the standard side rotary momentary-action head (A), single-pole 1 circuitry and ⁄2 in. conduit opening (3K). Since no modification codes are listed, it is adjusted for both clockwise (CW) and counterclockwise (CCW) ORDER GUIDE LSX standard weather-sealed explosion-proof switch. Typical Catalog Listing: LSX A 3K Body and Contacts Head Code Circuitry Code A* H C F* 3K Silver 3E Gold plated Side rotary. Low differential travel and low Side roller plunger. Side rotary. Momentary. torque. Momentary. Top plunger. Momentary. Momentary. Single-pole, 1 N.O., 1 1 N.C., ⁄2 in. conduit.† P N* D J 3 4K ⁄4 in. conduit† 4L Silver 4S Gold plated Side rotary. Low Wobble differential travel. Side rotary. Maintained Top roller plunger. stick. Momentary. contact. Momentary. Momentary. V R* B* E* K Double-pole, 2 N.O., 2 3 N.C., ⁄4 in. conduit.† 1 7L Silver ⁄2 in. conduit† 7S Gold plated 3N SPNC Direct Acting 4M Silver Cat 4T Gold plated Side rotary. Low torque. Side plunger. whisker. Momentary. Top rotary. Momentary. Momentary. Momentary. V W* L Sequential. Pole 1 operates before Pole 2 3 (CW, CCW or both). ⁄4 in. conduit.† Side rotary. Sequence V 1 7T Gold plated ⁄2 in. operation. Only conduit. Adjustable top plunger. Adjustable side plunger. Momentary. Momentary. M 4N Silver * Available with a Single Pole N.C. Direct Acting contact. 4U Gold plated Electrical Rating D. To order, use 3N for body and circuitry V code. Only Side rotary. Center neutral. Center neutral. Pole 1 operates CCW, Pole 2 3 operates CW. ⁄4 in. conduit.† 1 7U Gold contacts ⁄2 in. conduit A114 Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada Limit/Enclosed Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches ELECTRICAL RATINGS ENVIRONMENTAL SEAL PERFORMANCE Same as HDLS, see page A34. Same as HDLS, see page A56. OPERATING CHARACTERISTICS LOW TEMPERATURE and HIGH TEMPERATURE SEALED See next page. See next page. TEMPERATURE RATINGS Same as HDLS, see page A56. 1A Actuation Head/Actuator Actuator Code Direction Orientation 1 4M Modification Code Modification Code (No additional cost.) (No additional cost.) LSZ51 lever No Code. No Code. LSZ54M (no roller). aluminum rod Side rotary heads 1A actuator. assembled with actuator shaft facing 4 front. Roller on top LSZ51A lever roller plungers with .75 in. nylon assembled parallel to roller on front side. LSZ54 hub for mounting surface. rod actuator. 1C CW and CCW. (Head 3 5 types A, B, H, L, P, R.) LSZ51C lever Head 1 with nylon roller LSZ55 offset lever assem- on back side. (no roller). bled with 2C 5A actuator LSZ52C shaft to LSZ55A offset lever adjust- right side. with .75 in. nylon able (Optional with head roller on back side. lever (1.5-3.5 in.) with .75 in. nylon types A, E, F, H, L, M, CW operation. roller. N, P, R.) 5C (Optional with head 2J 4 types A, B, H, L, P, R.) LSZ55C offset lever Head with .75 in. nylon 2 assem- LSZ52J roller on front side. bled adjust- with able 7A actuator lever (1.5-3.5 in.) with 1 in. nylon roller. shaft to left side. 2K (Optional with head types A, E, F, H, L, M, Wobble stick actuator. (Use with head N, P, R.) LSZ52K type J only.) CCW operation. adjust- 5 (Optional with head able 8A Head types A, B, H, L, P, R.) lever (1.5-3.5 in.) with 1.5 in. nylon assem- roller. bled with 3S actuator Cat whisker actuator. (Use with head shaft to type K only.) back of switch. (Optional with LSZ53S yoke lever 1.5 in. long levers, except where noted. head types A, E, F, H, with .75 in. nylon L, M, N, P, R.) rollers (same side). 6 3E Roller on top roller plungers LSZ53E yoke lever assembled with .75 in. nylon perpendicular roller (one ea. side). to mounting surface. (Optional with head type D.) 8 Roller on side plunger is assembled in vertical position. Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada A115 Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches OPERATING CHARACTERISTICS Rotary actuated switches Side Rotary Center Top Rotary Momentary Maintained Sequence Neutral Momentary LSXP LSXH LSXL LSXM LSXA Low Diff. LSXR Low Diff. (Double Pole (Double Pole Standard Travel Low Torque Low Torque LSXN Only) Only) LSXB Pretravel max. 15° 9° 15° 9° 65° 1st step 15° 18° 25° 2nd step 10° additional Overtravel min. 60° 66° 60° 66° 20° 48° 57° 100° Differential SPDT DPDT SPDT DPDT SPDT DPDT SPDT DPDT SPDT DPDT SPDT DPDT Travel max. 5° 7° 3° 4° 5° 7° 3° 4° 30° 35° 5° 10° 10° 12° Operating 0,45 Nm 0,45 Nm 0,19 0,19 Nm 0,45 Nm 0,45 Nm 0,45 Nm 0,28 Nm Torque max. 4 in. lbs. 4 in. lbs. 1.7 in. lbs. 1.7 in. lbs. 4 in. lbs. 4 in. lbs. 4 in. lbs. 2.5 in. lbs. Operating 10 to 250°F 30 to 250°F 10 to 250°F 30 to 250°F Temp. Range –12 to 121°C –1 to 121°C –12 to 121°C –1 to 121°C Nm J Newton meters Plunger actuated switches Momentary LSXC LSXD LSXE LSXF Top Plunger Top Roller Plunger Side Plunger Side Roller Plunger Pretravel max. 1,78mm 1,78mm 2,54mm 2,54mm .070 in. .070 in. .100 in. .100 in. Differential Travel max. SPDT DPDT SPDT DPDT 0,38mm 0,51mm 0,38mm 0,51mm 1,14mm 1,14mm .015 in. .020 in. .015 in. .020 in. .045 in. .045 in. Overtravel min. 4,83mm 4,83mm 4,83mm 4,83mm .190 in. .190 in. .190 in. .190 in. Operating Force max. 17,8 N 17,8 N 26,7 N 26,7 N 4 lbs. 4 lbs. 6 lbs. 6 lbs. Operating Point 58,5 ± 0,76mm 68,6 ± 1mm 33,0 ± 0,76mm 44,1 ± 1mm 2.305 ± .030 in. 2.700 ± .040 in. 1.300 ± .030 in. 1.735 ± .040 in. Operating Temperature Range –12 to 93°C 10 to 200°F Wobble Actuated Switches COMPLETELY FLUOROCARBON- Momentary SEALED AND LOW TEMPERATURE LSXJ LSXK Cat Whisker SWITCHES Delrin Rod (Wire) Completely fluorocarbon-sealed and low Radius approx. temperature construction LSX switches are Pretravel max. 25,4mm 50,8mm available. See page A42 for a full description 1.0 in. 2.0 in. of both of these options. Operating Force max. 2,78 N 1,39 N 10 oz. 5.0 oz. How to order Operating Temperature Range –12 to 93°C For fluorocarbon-sealed switches, insert 10 to 200°F the additional letters Y and C in the appropri- ate places in the standard catalog listing; for N J Newtons low temperature versions insert the addi- tional letters Y and B. Examples follow: LSXA3K—standard side rotary switch LSXYAC3K—completely fluorocarbon- sealed version of the LSXA3K LSXA3K—standard side rotary switch LSXYAB3K—low temperature version of the LSXA3K A116 Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada Limit/Enclosed Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches REPLACEMENT PARTS ADAPTER PLATE Operating Heads Catalog Listing Switch Type Operating Head Only LSXA LSZ1A LSXB LSZ1B LSXC LSXZ1C LSXD LSXZ1D LSXE LSXZ1E Catalog Listing LSXZ4022 adapter plate en- LSXF LSXZ1F ables the explosion-proof LSX to be mount- LSXH LSZ1H ed on existing HDLS mounting holes. The LSXJ LSZ1JGA LSX has a recessed back into which the adapter plate fits and mounts, using two LSXK LSXZ1KHA screws (furnished). LSXL LSZ1L LSXM LSZ1M LSXN LSZ1N LSXP LSZ1P LSXR LSZ1R Contact Blocks Circuitry Contact Block Single Pole LSXZ3K Double Pole LSXZ3L Sequence or Center Neutral LSXZ3M MOUNTING DIMENSIONS (For reference only) TOP SIDE ROTARY ROTARY Conduit Openings (LSXA3, LSXB3, LSXH3, LSXN3, 1 LSXP3 and LSXR3 have ⁄2-14 NPT. LSXA4, LSXB4, LSXH4, LSXLR, 3 LSXM4, LSXN4, LSXP4, and LSXR4 have ⁄4-14 NPT. Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada A117 Limit and Enclosed Switches LSX Series Weather-Sealed Explosion-Proof Switches MOUNTING DIMENSIONS (For reference only) TOP PLUNGER TOP ROLLER PLUNGER Conduit Openings 1 (LSXJ3, and LSXK3 have ⁄2-14 NPT.) 3 (LSXJ4 and LSXK4 have ⁄4-14 NPT.) CAT WHISKER WOBBLE STICK Conduit Openings 1 (LSXE3 and LSXF3 have ⁄2-14 NPT. 3 LSXE4 and LSXF4 have ⁄4-14 NPT). TOP PLUNGER TOP ROLLER PLUNGER Conduit Openings 1 (LSXC3 and LSXD3 have ⁄2-14 NPT. 3 LSXC4 and LSXD4 have ⁄4-14 NPT). A118 Honeywell1 Sensing and Control 1 1-800-537-6945 USA1 F1-815-235-6847 International 1 1-800-737-3360 Canada