MICRO SWITCH Premium Subminiature Basic Switches 004959 SM Series Issue 3 Datasheet FEATURES • Industry-leading mechanical life of up to 10,000,000 operations • Selection of actuation, electrical termination, and operating characteristics along with high-temperature construction options • Wide temperature range of -54°C to 204°C [-65°F to 400°F] • MIL-PRF-8805 qualified listings in a lightweight, small package • FAA-PMA approvals for commercial aircraft • Choice of silver or gold-plated, or gold bifurcated contacts to handle a variety of electrical load requirements • UL/CSA, cUL, ENEC, and CE approvals VALUE TO CUSTOMERS DESCRIPTION • Industry-leading life cycle rating reduces the need to The industry-defining name in snap-action switches, replace switches over life in an OEM platform – reducing Honeywell MICRO SWITCH premium subminiature switches total system cost are designed for repeatability and enhanced product life. The • Low operating forces MICRO SWITCH SM Series delivers consistent performance • Mil-qualified listings within a range of conditions. • Life of up to 10,000,000 cycles The MICRO SWITCH SM Series’ small size and light weight are combined with ample electrical capacity, precision operation, POTENTIAL APPLICATIONS and extended life. Featuring high precision and repeatability, • Precision switch assemblies for commercial aircraft to the SM Series offers gold contacts for low-energy switching monitor doors for “closed” and “locked” position and gold bifurcated contacts for maximum reliability. • Landing gear monitor Bifurcated contacts provide parallel redundancy within the SM • Precision switch assemblies for commercial cockpit switch. applications for pushbuttons, toggle, or joystick assemblies • Precision switch assemblies in military applications The SM switch is available for power-duty switching up to 11 A • Assemblies for industrial pressure switches and temperature (Vac) or 1/4 HP (Vac). switches • Power generation fuel level (gas and oil) DIFFERENTIATION • Very wide temperature range allows for years of reliable PORTFOLIO performance in the harshest of conditions The SM Series of premium subminiature basic switches are • MIL-PRF-8805 qualified listings a part of a strong offering of submins including SX Series • Operating forces as low as 0,06 N [6 g] and differential travel (premium) and ZM, ZM1, ZD, ZX, and ZW Series (standard) as low as 0,025 mm [0.001 in] delivers consistent, precise switches. switch characteristics Sensing and Internet of Things MICRO SWITCH Premium Subminiature Basic Switches, SM Series Table 1. Specifications Characteristic Parameter low operating force to 2 oz. max; power load switching capability to 11 A; motor load handling capacity to 1/4 Differentiator HP (Vac) Ampere rating 0.1 A to 11 A Circuitry SPDT Operating force 0.04 oz to 2 oz Termination quick connect, solder, pcb Actuator pin plunger, straight lever, roller lever, simulated roller lever, paddle lever Voltage 115 Vac, 125 Vac, 250 Vac, 30 Vdc Agency approvals UL, CE, CSA, ENEC, MIL-PRF-8805, FAA-PMA Agency file information CE: 61058-1; UL: E12252; CSA: LR41372 Operating temperature -54°C to 121°C [-65°F to 250°F]; select catalog listings 204°C [400°F] Contacts silver, gold plated, bifurcated gold Housing phenolic Sealing sealed plunger on 411SM Series, other SM Series not weather sealed up to 10,000,000 operations for 11SM listings Mechanical life up to 80,000 operations for 1SM/41SM listings up to 1,000,000 operations for gold bifurcated contact Size 12,7 mm H x 6,35 mm W x 20,3 mm L [0.5 in H x 0.25 in W x 0.8 in L] Electrical data and UL codes Table 2. UL Electrical Ratings Code Circuitry Electrical data and UL codes 5 A res., 3 A ind., (sea level), J SPDT 5 A res., 2.5 A ind., (50,000 feet), 28 Vdc. UL rating: 5 A, 250 Vac K SPDT UL rating: 5 A, 125 or 250 Vac M SPDT UL rating: 11 A and 1/4 hp, 125 or 250 Vac N SPDT 1 A res., 0.5 A ind., 30 Vdc. UL rating: 1 A, 125 Vac P SPDT 1 A res., 30 Vdc. UL rating: .1 A, 125 Vac 5 A res., 3 A ind., 2.4 A lamp load (sea level), R SPDT 5 A res., 2.5 A ind., 2.4 A lamp load, (50,000 feet), 28 Vdc. 5 A res., 5 A ind., 1.5 A lamp load, 115 Vac. 60 Hz (sea level) S SPDT UL rating: 4 A, 250 Vac 2 sensing.honeywell.com MICRO SWITCH Premium Subminiature Basic Switches, SM Series O.F. • Operating force R.F. • Release force P.T. • Pretravel O.T. • Overtravel D.T. • Differential travel Table 3. MICRO SWITCH SM Series Order Guide • Pin Plunger O.P. • Operating position Catalog O.F. R.F. min. P.T. max. O.T. min. D.T. O.P. * Recommended For Listing N [oz] N [ oz] mm [in] mm [in] mm [in] mm [in] 0.1 A 0,83 to 1,39 0,51 0,13 8,38 11SM1077-T Gold-plated contacts 0,28 [1] 0,1 [0.004] P [3 to 5] [0.020] [0.005] [0.330] Bifurcated gold contacts, 0.1 A 0,83 to 1,39 0,51 0,076 8,38 12SM604-T 0,28 [1] 0,1 [0.004] reduced rating P [3 to 5] [0.020] [0.003] [0.330] 1 A 0,83 to 1,39 0,51 0,13 8,38 0,28 [1] 0,1 [0.004] 11SM23-T Gold-plated contacts N [3 to 5] [0.020] [0.005] [0.330] Enhanced reliability 1 A 0,83 to 1,39 0,51 0,076 8,38 12SM4-T 0,28 [1] 0,1 [0.004] (bifurcated gold contacts) N [3 to 5] [0.020] [0.003] [0.330] 4 A 0,51 0,13 0,051 8,38 11SM701-T Lower force 0,56 [2] 0,14 [0.5] S [0.020] [0.005] [0.002] [0.330] 5 A 0,83 to 1,39 0,51 0,13 8,38 11SM1-T General purpose 0,28 [1] 0,1 [0.004] J [3 to 5] [0.020] [0.005] [0.330] Operating temps to 121°C 5 A 0,83 to 1,39 0,51 0,13 8,38 0,28 [1] 0,1 [0.004] 11SM3-T [250°F] J [3 to 5] [0.020] [0.005] [0.330] Operating temps to 204°C 5 A 0,83 to 1,39 0,51 0,13 8,38 11SM244-T 0,28 [1] 0,1 [0.004] [400°F] for 100 hours [3 to 5] [0.020] [0.005] [0.330] 5 A 0,97 [3.5] 0,51 0,13 0,025 8,38 11SM401-T Less differential travel 0,28 [1] K max. [0.020] [0.005] [0.001] [0.330] 21SM284-T2 MIL-PRF-8805 5 A 0,83 to 1,39 0,76 0,13 8,38 0,28 [1] 0,1 [0.004] applications R [3 to 5] [0.030] [0.005] [0.330] (MS25085-2) MIL-PRF-8805 21SM284 5 A 0,83 to 1,39 0,76 0,13 8,38 applications, solder 0,28 [1] 0,1 [0.004] R [3 to 5] [0.030] [0.005] [0.330] (MS25085-1) terminals Enhanced stability under 5 A 0,83 to 1,39 0,51 0,13 8,38 22SM1-T 0,28 [1] 0,1 [0.004] varying humidity J [3 to 5] [0.020] [0.005] [0.330] 11 A 0,83 to 1,39 0,76 0,13 8,38 41SM1-T Up to 11 A, 1/4 HP (ac) 0,28 [1] 0,1 [0.004] M [3 to 5] [0.030] [0.005] [0.330] 5 A 0,83 to 2,09 0,51 0,13 8,38 Sealed plunger construction 0,28 [1] 0,1 [0.004] 411SM1 K [3 to 7.5] [0.020] [0.005] [0.330] Sealed plunger construc- 1 A 0,83 to 2,09 0,51 0,13 8,38 0,28 [1] 0,1 [0.004] 411SM23 tion, gold contacts N [3 to 7.5] [0.020] [0.005] [0.330] * except where stated ±0,38 mm [±0.015 in] Sensing and Internet of Things 3 Electrical Data and UL Codes MICRO SWITCH Premium Subminiature Basic Switches, SM Series O.F. • Operating force R.F. • Release force P.T. • Pretravel O.T. • Overtravel D.T. • Differential travel Table 4. MICRO SWITCH SM Series Order Guide • Integral Lever O.P. • Operating position R.F. Catalog O.F. P.T. max. O.T. min. D.T. O.P. * Recommended For min. Listing N [oz] mm [in] mm [in] mm [in] mm [in] N [ oz] 7,24 mm [0.285 in] straight 5 A 0,39 0,07 2,16 0,51 0,48 8,64 mm ±1,5 mm 311SM1-T lever J [1.4] [0.25] [0.085] [0.020] [0.019] [0.34 in ±0.060 in] 7,24 mm [0.285 in] straight 1 A 0,39 0,07 2,16 0,51 0,48 8,64 mm ±1,5 mm 311SM23-T lever, gold contacts N [1.4] [0.25] [0.085] [0.020] [0.019] [0.34 in ±0.060 in] 7,24 mm [0.285 in] straight 4 A 0,16 0,03 2,16 0,51 0,36 8,64 mm ±1,5 mm 311SM701-T lever, lower force S [0.57] [0.11] [0.085] [0.020] [0.014] [0.34 in ±0.060 in] 14,35 mm [0.565 in] straight 5 A 0,31 0,05 3,05 0,66 0,69 8,51 mm ±2 mm 311SM2-T lever J [1.1] [0.18] [0.12] [0.026] [0.027] [0.335 in ±0.08 in] 14,35 mm [0.565 in] straight 1 A 0,31 0,05 3,05 0,66 0,69 8,51 mm ±2 mm 311SM43-T lever, gold contacts N [1.1] [0.18] [0.12] [0.026] [0.027] [0.335 in ±0.08 in] 14,35 mm [0.565 in] straight 4 A 0,11 0,02 3,05 0,66 0,38 8,51 mm ±2 mm 311SM702-T lever, lower force S [0.4] [0.07] [0.12] [0.026] [0.015] [0.335 in ±0.08 in] 44,8 mm [1.765 in] straight 5 A 0,15 0,02 7,87 1,45 2,8 7,11 mm ±4,3 mm 311SM3-T lever J [0.53] [0.07] [0.31] [0.057] [0.11] [0.28 in ±0.17 in] 44,8 mm [1.765 in] straight 1 A 0,15 0,02 7,87 1,45 2,8 7,11 mm ±4,3 mm 311SM17-H58 lever, gold contacts N [0.53] [0.07] [0.31] [0.057] [0.11] [0.28 in ±0.17 in] 44,8 mm [1.765 in] straight 4 A 0,06 0,01 7,87 1,45 1,78 7,11 mm ±4,3 mm 311SM703-T lever, lower force S [0.2] [0.04] [0.31] [0.057] [0.07] [0.28 in ±0.17 in] 6,38 mm [0.251 in] simulat- 5 A 0,39 0,07 2,16 0,46 0,48 11,7 mm ±1,5 mm 311SM4-T ed roller lever J [1.4] [0.25] [0.085] [0.018] [0.019] [0.46 in ±0.06 in] 6,38 mm [0.251 in] simu- lated 1 A 0,39 0,07 2,16 0,46 0,48 11,7 mm ±1,5 mm 311SM25-T roller lever, gold contacts N [1.4] [0.25] [0.085] [0.018] [0.019] [0.46 in ±0.06 in] 6,38 mm [0.251 in] simulat- 4 A 0,16 0,03 2,16 0,46 0,33 11,7 mm ±1,5 mm 311SM704-T ed roller lever, lower force S [0.57] [0.11] [0.085] [0.018] [0.013] [0.46 in ±0.06 in] 13,6 mm [0.535 in] simulat- 5 A 0,31 0,05 3,05 0,66 0,69 11,56 mm ±2 mm 311SM5-T ed roller lever J [1.1] [0.18] [0.12] [0.026] [0.027] [0.455 in ±0.08 in] 13,6 mm [0.535 in] simulat- 4 A 0,11 0,02 3,05 0,66 0,38 11,56 mm ±2 mm 311SM705-T ed roller lever, lower force S [0.4] [0.07] [0.12] [0.026] [0.015] [0.455 in ±0.08 in] 6,38 mm [0.251 in] roller 5 A 0,39 0,07 2,16 0,46 0,48 14,2 mm ±1,5 mm 311SM6-T lever J [1.4] [0.25] [0.085] [0.018] [0.019] [0.56 in ±0.06 in] 6,38 mm [0.251 in] roller 1 A 0,39 0,07 2,16 0,46 0,48 14,2 mm ±1,5 mm 311SM68-T lever, gold contacts N [1.4] [0.25] [0.085] [0.018] [0.019] [0.56 in ±0.06 in] 6,38 mm [0.251 in] roller 4 A 0,16 0,03 2,16 0,46 0,33 14,2 mm ±1,5 mm 311SM706-T lever, lower force S [0.57] [0.11] [0.085] [0.018] [0.013] [0.56 in ±0.06 in] 13,6 mm [0.535 in] roller 5 A 0,31 0,05 3,05 0,66 0,69 14,1 mm ±2 mm 311SM7-T lever J [1.1] [0.18] [0.12] [0.026] [0.027] [0.555 in ±0.08 in] 5 A 1,95 0,56 5,54 0,76 0,76 8,89 mm ±0,76 mm 111SM1-T Leaf actuator J [7] [2] [0.218] [0.03] [0.03] [0.35 in ±0.03 in] 1 A 1,95 0,56 5,54 0,76 0,76 8,89 mm ±0,76 mm 111SM17-T Leaf actuator gold contacts N [7] [2] [0.218] [0.03] [0.03] [0.35 in ±0.03 in] 5 A 1,95 0,56 5,56 0,76 0,64 14,3 mm ±0,76 mm 111SM2-T Flexible leaf with roller J [7] [2] [0.219] [0.03] [0.025] [0.562 in ±0.03 in] Flexible leaf with roller, gold 1 A 1,95 0,56 5,56 0,76 0,64 14,3 mm ±0,76 mm 111SM23-T contacts N [7] [2] [0.219] [0.03] [0.025] [0.562 in ±0.03 in] 4 sensing.honeywell.com Electrical Data and UL Codes MICRO SWITCH Premium Subminiature Basic Switches, SM Series Table 5. Numeric Designations for MICRO SWITCH SM Series/Order Guide Prefix Description Suffix Description 1SM Standard pin plunger construction, up to 80,000 23 Gold contacts operations 400 Low differential travel series 11SM Long-life pin plunger construction, up to 500 Reverse terminal designation 10,000,000 operations 700 Low force series 12SM Gold bifurcated contacts 1000 Gold alloy 21SM Same as 1SM (formerly had DAP material) 22SM Same as 11SM (formerly had DAP material) 23SM Same as 12SM (formerly had DAP material) 41SM 11 A construction (11SM construction) 101SM 1SM with an integral leaf actuator 111SM 11SM with an integral spring leaf 112SM 12SM with an integral spring leaf 122SM 22SM with an integral spring leaf 151SM 51SM with an integral spring leaf 301SM 1SM with an integral rigid lever 302SM 1SM with an integral roller lever 311SM Integral rigid lever 321SM 21SM with an integral rigid lever 322SM 22SM with an integral rigid lever 401SM Dust/splash resistant 1SM 411SM Dust/splash resistant 11SM 412SM Dust/splash resistant 12SM Sensing and Internet of Things 5 MICRO SWITCH Premium Subminiature Basic Switches, SM Series Table 6. SM Series • Standard Actuator Options, Screw Terminals, and Dimensions (mm/in) Pin plunger, T terminals Pin plunger, Solder terminals Integral leaf lever Integral roller lever Integral levers NOTE: The two mounting holes accept pins or screws of 2,21 mm (0.087 in) maximum diameter MICRO SWITCH SM SERIES AVAILABLE TERMINALS Mounting torque: 0,26 Nm [2.3 in-lb] max. 6 sensing.honeywell.com MICRO SWITCH Premium Subminiature Basic Switches, SM Series MICRO SWITCH JS SERIES AUXILIARY ACTUATORS FOR THE MICRO SWITCH SM SERIES SWITCH- ES (stainless steel actuator and hardware) Description Actuator Operting Release Pretravel Overtravel Differential Operating Free Length Force Force min. max. min. Travel max. Point Position max. max. Straight leaf 16,8 mm 2,78 N 0,56 N 1,98 mm 0,38 mm 0,38 mm 8,89 mm 11,3 mm [0.66 in] [10 oz] [2 oz] [0.078 in] [0.015 in] [0.015 in] ±0,38 mm [0.445 in] [0.350 in ±0.015 in] Roller leaf 15 mm 2,78 N 0,83 N 1,98 mm 0,38 mm 0,38 mm 14,2 mm 16,9 mm (bronze [0.59 in] [10 oz] [3 oz] [0.078 in] [0.015 in] [0.015 in] ±0,38 mm [0.665 in] roller) [0.580 in ±0.015 in Formed leaf 14,7 mm 2,78 N 0,56 N 2,39 mm 0,79 mm 0,38 mm 9,65 mm 12,7 mm (simulated [0.58 in] [10 oz] [2 oz] [0.094 in] [0.031 in] [0.015 in] ±0,38 mm [0.475 in] roller) [0.380 in ±0.015 in] Straight lever 26,2 mm 0,28 N 0,04 N 3,18 mm 0,76 mm 0,76 mm 10,3 mm – [1.03 in]* [1 oz] [0.14 oz] [0.125 in] [0.030 in] [0.030 in] [0.406 in] approx. approx. Roller lever 25,4 mm 0,28 N 0,04 N 3,18 mm 0,76 mm 0,76 mm 14,3 mm – (steel roller) [1.00 in]* [1 oz] [0.14 oz] [0.125 in] [0.030 in] [0.030 in] [0.562 in] approx. approx. Formed lever 25,4 mm 0,28 N 0,04 N 3,18 mm 0,76 mm 0,76 mm 11,6 mm – (simulated [1.00 in]* [1 oz] [0.14 oz] [0.125 in] [0.030 in] [0.030 in] [0.455 in] roller) approx. approx. Tandem leaf 5,3 mm 5,00 N 2,78 N 2,36 mm 0,15 mm 0,38 mm 8,89 mm 10,5 mm [0.21 in] [18 oz] [10 oz] [0.093 in] [0.006 in] [0.015 in] ±0,38 mm [0.415 in] [0.350 in ±0.015 in] Tandem 4,3 mm 11,1 N 4,45 N 2,36 mm 0,13 mm 0,38 mm 14,5 mm 16,1 mm leaf (bronze [0.17 in] [40 oz] [16 oz] [0.093 in] [0.005 in] [0.015 in] ±0,38 mm [0.635 in] roller) [0.570 in ±0.015 in] ** Travel characteristics on tandem actuators vary with actual basic switch characteristics NOTE: Above actuators should be used below 300°F * “A” measurement is from pivot point of lever to the point indicated on drawing D Plated steel machine screws Sensing and Internet of Things 7 D D JS-31** JS-33** JS-221 JS-246 JS-220 JS-7 JS-5 JS-2 m WARNING ADDITIONAL MATERIALS PERSONAL INJURY The following associated literature is available at DO NOT USE these products as safety or emergency stop sensing.honeywell.com: devices or in any other application where failure of the • Product installation instructions product could result in personal injury. • Product range guide Failure to comply with these instructions could result in death or serious injury. • Aerospace range guide • Applying basic switches • Low energy switching guide m WARNING • Product application-specific information MISUSE OF DOCUMENTATION • The information presented in this product sheet is for – Application Note: Central Vacuum System reference only. Do not use this document as a product – Application Note: Electronic Taping Machine installation guide. – Application Note: Sensors and Switches in Sanitary Valves • Complete installation, operation, and maintenance information is provided in the instructions supplied with – Application Note: Sensors and Switches in Oil Rig each product. Applications Failure to comply with these instructions could result in – Application Note: Sensors and Switches for Potential death or serious injury. Medical Applications Warranty/Remedy Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship during the appli- cable warranty period. Honeywell’s standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgement or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items that Honeywell, in its sole discretion, finds defec- Find out more tive. The foregoing is buyer’s sole remedy and is in lieu of all Honeywell serves its customers other warranties, expressed or implied, including those of through a worldwide network of merchantability and fitness for a particular purpose. In no sales offices and distributors. event shall Honeywell be liable for consequential, special, For application assistance, cur- or indirect damages. rent specifications, pricing or While Honeywell may provide application assistance personally, name of the nearest Authorized through our literature and the Honeywell web site, it is buyer’s Distributor, contact your local sole responsibility to determine the suitability of the product in sales office. the application. To learn more about Honey- Specifications may change without notice. The information we well’s sensing and switching supply is believed to be accurate and reliable as of this writing. products, However, Honeywell assumes no responsibility for its use. call +1-815-235-6847 or 1-800-537-6945, visit sensing.honeywell.com, or e-mail inquiries to info.sc@honeywell.com Honeywell Sensing and Internet of Things 9680 Old Bailes Road 004959-3-EN IL50 GLO  Fort Mill, SC 29707 December 2016 honeywell.com © 2016 Honeywell International Inc. All rights reserved.