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 -54C to 204C -65F to 400F 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 ThingsMICRO 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 -54C to 121C -65F to 250F select catalog listings 204C 400F 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