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Overhead Door Alarm Switch NC/NO Contact; 3 Wires

Overhead Door Alarm Switch NC/NO Contact; 3 Wires

Use this heavy-duty magnetic Garage Door Contact Switch on garage doors, roll-up doors and other doors or gates where it may be difficult to mount regular magnetic contacts. Smaller magnetic switches have a small operating gap where the contact and...

at mcmelectronics

SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

Switch contained in low-profile cast aluminum housing anchored directly to the floor and curved, so heavy vehicles can cross over without damaging it. Magnet in gray ABS case mounted on L-shaped bracket. 24" (61cm) wire leads enclosed in... ... more

SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

Switch contained in low-profile cast aluminum housing anchored directly to the floor and curved, so heavy vehicles can cross over without damaging it. Magnet in gray ABS case mounted on L-shaped bracket. 24" (61cm) wire leads enclosed in...

Amazon Marketplace

$21.75

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Seco-Larm SM-226L-Q Mount Magnetic Contact, NC (2 Pack)

Seco-Larm SM-226L-Q Mount Magnetic Contact, NC (2 Pack)

Features. For NONC circuits three wires. Overhead door surface mount.. Gold and deactivated rhodium plating for longer life and reliability.. Switch contained in curved low-profile cast-aluminum housing.. Magnet in gray ABS plastic case mounted on... ... more

Seco-Larm SM-226L-Q Mount Magnetic Contact, NC (2 Pack)

Features. For NONC circuits three wires. Overhead door surface mount.. Gold and deactivated rhodium plating for longer life and reliability.. Switch contained in curved low-profile cast-aluminum housing.. Magnet in gray ABS plastic case mounted on...

Amazon Marketplace

$29.95

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SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

Switch contained in low-profile cast aluminum housing anchored directly to the floor and curved, so heavy vehicles can cross over without damaging it. Magnet in gray ABS case mounted on L-shaped bracket. 24" (61cm) wire leads enclosed in... ... more

SM-226L-3Q Seco-Larm Overhead Door Mount N.C. Magnetic Contact w/ 3 Wires for N.O./N.C. Applications

Switch contained in low-profile cast aluminum housing anchored directly to the floor and curved, so heavy vehicles can cross over without damaging it. Magnet in gray ABS case mounted on L-shaped bracket. 24" (61cm) wire leads enclosed in...

Amazon.com

$21.75

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Seco-Larm Enforcer Overhead Door-Mount L Bracket Magnetic Contact, NO/NC, Silver

Seco-Larm Enforcer Overhead Door-Mount L Bracket Magnetic Contact, NO/NC, Silver

The Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, NO/NC 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... ... more

Seco-Larm Enforcer Overhead Door-Mount L Bracket Magnetic Contact, NO/NC, Silver

The Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, NO/NC 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...

Jet.com

$23.71

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Seco-Larm SM-226L-Q Mount Magnetic Contact, NC

Seco-Larm SM-226L-Q Mount Magnetic Contact, NC

Features. For NONC circuits three wires. Overhead door surface mount.. Gold and deactivated rhodium plating for longer life and reliability.. Switch contained in curved low-profile cast-aluminum housing.. Magnet in gray ABS plastic case mounted on... ... more

Seco-Larm SM-226L-Q Mount Magnetic Contact, NC

Features. For NONC circuits three wires. Overhead door surface mount.. Gold and deactivated rhodium plating for longer life and reliability.. Switch contained in curved low-profile cast-aluminum housing.. Magnet in gray ABS plastic case mounted on...

Amazon Marketplace

$17.45

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Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, Closed Loop (SM-226RQ)

Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, Closed Loop (SM-226RQ)

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... ... more

Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, Closed Loop (SM-226RQ)

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...

Amazon Marketplace

$13.40

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Heavy-Duty Magnetic Garage Door Switch-N.O. Contact for N.C. Circuits

Heavy-Duty Magnetic Garage Door Switch-N.O. Contact for N.C. Circuits

OVERHEAD DOOR MOUNT NC CONTACT MAGNET MAGNET MOUNTED ON L BRACKET CONTACT IN DIE CAST ALUMINUM HOUSING WITH PRE WIRED 2 ... more

Heavy-Duty Magnetic Garage Door Switch-N.O. Contact for N.C. Circuits

OVERHEAD DOOR MOUNT NC CONTACT MAGNET MAGNET MOUNTED ON L BRACKET CONTACT IN DIE CAST ALUMINUM HOUSING WITH PRE WIRED 2

Amazon Marketplace

$18.69

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SECO-LARM Enforcer SM-207-5LQ/BR NC Magnetic Contacts with 3/4 Inch Switch, Brown

SECO-LARM Enforcer SM-207-5LQ/BR NC Magnetic Contacts with 3/4 Inch Switch, Brown

The Enforcer SM-207-5LQ is a set of normally closed magnetic contacts with a short 3/4" switch. Molded in brown plastic. Also available in White. ... more

SECO-LARM Enforcer SM-207-5LQ/BR NC Magnetic Contacts with 3/4 Inch Switch, Brown

The Enforcer SM-207-5LQ is a set of normally closed magnetic contacts with a short 3/4" switch. Molded in brown plastic. Also available in White.

Amazon Marketplace

$8.89

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Recessed Alarm Switch White Stubby Switch And Magnet-2pack

Recessed Alarm Switch White Stubby Switch And Magnet-2pack

Normally closed magnetic contacts with a short 3/4" switch. ... more

Recessed Alarm Switch White Stubby Switch And Magnet-2pack

Normally closed magnetic contacts with a short 3/4" switch.

Amazon Marketplace

$14.07

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Seco-Larm Enforcer Magnetic Contact, Surface Mount (Concealed), 1-1/4 In. Gap, White

Seco-Larm Enforcer Magnetic Contact, Surface Mount (Concealed), 1-1/4 In. Gap, White

The most basic sensors of any alarm system is a door and window magnetic contact switch. The Enforcer Concealed Surface-Mount Magnetic Contact Switch is for normally closed circuits, which means that the when the magnets are lined up, the switch is... ... more

Seco-Larm Enforcer Magnetic Contact, Surface Mount (Concealed), 1-1/4 In. Gap, White

The most basic sensors of any alarm system is a door and window magnetic contact switch. The Enforcer Concealed Surface-Mount Magnetic Contact Switch is for normally closed circuits, which means that the when the magnets are lined up, the switch is...

Amazon Marketplace

$7.99

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