004959 Issue 4 SM SERIES MICRO SWITCH Premium Subminiature Basic Switches DESCRIPTION FEATURES The industry-defining name in snap- Industry-leading mechanical life of up action switches, Honeywell MICRO to 10,000,000 operations SWITCH premium subminiature Selection of actuation, electrical switches are designed for repeatability termination, and operating and enhanced product life. The MICRO characteristics along with high- SWITCH SM Series delivers consistent temperature construction options performance within a range of Wide temperature range of conditions. -54C to 204C -65F to 400F MIL-PRF-8805 qualified listings in a The MICRO SWITCH SM Series small lightweight, small package size and light weight are combined with FAA-PMA approvals for commercial ample electrical capacity, precision aircraft operation, and extended life. Featuring POTENTIAL APPLICATIONS Choice of silver or gold-plated, or gold high precision and repeatability, the Precision switch assemblies for bifurcated contacts to handle a variety SM Series offers gold contacts for low- commercial aircraft to monitor doors of electrical load requirements energy switching and gold bifurcated for closed and locked position UL/CSA, cUL, ENEC, and CE approvals contacts for maximum reliability. Landing gear monitor Bifurcated contacts provide parallel Precision switch assemblies for VALUE TO CUSTOMERS redundancy within the SM switch. commercial cockpit applications Industry-leading life cycle rating for pushbuttons, toggle, or joystick The SM switch is available for power- reduces the need to assemblies duty switching up to 11 A (Vac) or 1/4 replace switches over life in an OEM Precision switch assemblies in military HP (Vac). platform reducing applications total system cost Assemblies for industrial pressure Low operating forces DIFFERENTIATION switches and temperature switches Mil-qualified listings Very wide temperature range allows Power generation fuel level (gas Life of up to 10,000,000 cycles for years of reliable performance in the and oil) harshest of conditions MIL-PRF-8805 qualified listings Operating forces as low as 0,06 N 6 g PORTFOLIO and differential travel as low as The SM Series of premium 0,025 mm 0.001 in delivers subminiature basic switches consistent, precise switch are a part of a strong characteristics offering of submins including SX Series (premium) and ZM, ZM1, ZD, ZX, and ZW Series (standard) switches. 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 -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 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