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    • Home  / Product Manuals & Documentation
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    SECO-LARM SM-4601-LxQ Industrial Wide-Gap Magnetic Contacts — Specifications

    September 08, 2026 1 min read

    Specifications for the SECO-LARM Industrial Wide-Gap Magnetic Contacts SM-4601-LQ and SM-4601-L3Q — rugged aluminum surface-mount contacts with a 3-inch operation gap.

    💾 Download Original PDF
    Full text manual (for reference)

    Specifications for the SECO-LARM Industrial Wide-Gap Magnetic Contacts SM-4601-LQ and SM-4601-L3Q — rugged aluminum surface-mount contacts with a 3" (76mm) operation gap, designed for industrial situations where a wide-gap contact is needed.

    Features

    • Useful for industrial situations where a wide-gap, surface mount contact is needed
    • Rugged aluminum housing, weatherproof and sealed for outdoor use
    • 36" (91cm) wire leads enclosed in armored cable
    • Contact switch has iridium-plating for a high melting point and Vickers hardness, giving higher power handling and longer expected life
    • 3" (76mm) gap
    • Mounting bracket included
    • Lifetime limited warranty

    Model Differences

    • SM-4601-LQ — 3" (76mm) gap, closed loop, armored leads, UL Listed
    • SM-4601-L3Q — 3" (76mm) gap, open/closed loop, armored leads

    Specifications

    Item SM-4601-LQ SM-4601-L3Q
    Loop type Closed loop Open/Closed loop
    Electrical configuration N.O. (SPST) NO/NC (Form C)
    Operation gap 3" (76mm)
    Connectors 36" (91cm) armored leads
    Case material Aluminum
    Contacts Iridium-plated
    Contact rating 0.1A@100VDC (max.), 1.0A@10VDC (max.), 10W (max.)
    Temperature -15°~160°F (-25°~70°C)
    Switch cycles 50 million (0.1mA@5VDC)
    Switch dimensions 3"x1"x1/2" (76x25x13mm)
    Magnet dimensions 3"x1"x1/2" (76x25x13mm)
    Magnet type Rare-earth neodymium

    Copyright © 2018 SECO-LARM U.S.A, Inc. Specifications subject to change without notice.