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  • Seco-Larm Enforcer Overhead Door Magnetic Contact, Closed Loop

    SESM226RQ

    A Switch That Was Built To Last

    The Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, Closed Loop is a contact switch designed for large doors and gates where regular contacts may be difficult to mount. The contact’s large gap allows use with even the largest doors, such as garage doors. The switch is contained in low-profile cast aluminum housing, and curved so that heavy vehicles can cross over without damaging it.

    • Closed loop contact switch
    • Use on large doors or gates
    • Magnet enclosed in round bracket
    • 24-inch wire leads enclosed in stainless-steel cable

    Rugged, Long-Lasting Construction

    Seco-Larm contacts have a unique rhodium plating which has gone through a special oxygen treatment to deactivate the surface, thus eliminating the absorption of organic impurities, polymer growth during operation, and the possibility of contact freezing.

    The switch is ho

    • Alarm circuit: Three-wire N.O./N.C. Contact for either closed or open circuit alarm systems
    • Reed switch: Gold under-plating with deactivated rhodium outer-plating
    • Switch housing: Weatherproof die-cast aluminum
    • Magnet: Extra-strength Alnico 5
    • Wire: 24 inches (61 cm), stainless-steel enclosure
    • Contact lifetime: 50 million cycles
    • Rating: 0.02Amp./100VDC (max.), 0.2Amp./10VDC (max.), 3W (max.)
    • Operating Temperature: -15 to 160 degrees F (-25 to 70 degrees C)
    • Dimensions: 4-3/8 x 1-3/4 x 7/16 inches (111 x 44 x 11 mm)
    • Gap: 2-3/4 inches (70 mm)
    • Listings: UL, RoHS