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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

Seco-larm Overhead Door Alarm Switch NC/NO Contact; 3 Wires

Seco-larm Overhead Door Alarm Switch NC/NO Contact; 3 Wires

Seco-Larm SM-226L-3Q Overhead Door-Mount Magnetic Contact with three wires for N.O. or N.C. applications. Magnet mounted on "L" bracket, contact in die-cast aluminum housing with pre-wired 24" leads, flexible stainless-steel cable. 23/4" Gap. UL listed. ... more

Seco-larm Overhead Door Alarm Switch NC/NO Contact; 3 Wires

Seco-Larm SM-226L-3Q Overhead Door-Mount Magnetic Contact with three wires for N.O. or N.C. applications. Magnet mounted on "L" bracket, contact in die-cast aluminum housing with pre-wired 24" leads, flexible stainless-steel cable. 23/4" Gap. UL listed.

Amazon Marketplace

$29.99

FREE shipping

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Seco-Larm Overhead Door Alarm Switch NC Contact Magnet Enclosed Heavy-Duty 24inch Cable

Seco-Larm Overhead Door Alarm Switch NC Contact Magnet Enclosed Heavy-Duty 24inch Cable

Seco-Larm SM226RQ Overhead Door-Mount N.C. Magnetic Contact. Magnet mounted on "L" Bracket, contact in die-cast aluminum housing with pre-wired 24" leads, flexible stainless-steel cable. 23/4" Gap. UL listed. Magnet enclosed in metal round-backed bracket. ... more

Seco-Larm Overhead Door Alarm Switch NC Contact Magnet Enclosed Heavy-Duty 24inch Cable

Seco-Larm SM226RQ Overhead Door-Mount N.C. Magnetic Contact. Magnet mounted on "L" Bracket, contact in die-cast aluminum housing with pre-wired 24" leads, flexible stainless-steel cable. 23/4" Gap. UL listed. Magnet enclosed in metal round-backed bracket.

Amazon Marketplace

$19.95

FREE shipping

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Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, NO/NC (SM-226L-3Q)

Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, NO/NC (SM-226L-3Q)

Use this 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 require a small operating gap where the contact and magnet must be... ... more

Seco-Larm Enforcer Overhead Door-Mount Magnetic Contact, NO/NC (SM-226L-3Q)

Use this 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 require a small operating gap where the contact and magnet must be...

Amazon Marketplace

$21.38

FREE shipping

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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

FREE shipping

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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

$13.37

FREE shipping

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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

FREE shipping

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Alarm Switch Screw Terminals 3/4" Gap-Brown

Alarm Switch Screw Terminals 3/4" Gap-Brown

The most basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of... ... more

Alarm Switch Screw Terminals 3/4" Gap-Brown

The most basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of...

Amazon Marketplace

$8.45

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Alarm Switch Screw Terminals 2-3/4" Gap-Brown

Alarm Switch Screw Terminals 2-3/4" Gap-Brown

For loose-fitting doors and windows, steel doors and other applications where wide gaps are found. The SECO-LARM Wide Gap Magnetic Contact is a 2 3/4 inch magnet for normally-closed circuits. Perfect for loose-fitting door and windows, steel doors and o ... more

Alarm Switch Screw Terminals 2-3/4" Gap-Brown

For loose-fitting doors and windows, steel doors and other applications where wide gaps are found. The SECO-LARM Wide Gap Magnetic Contact is a 2 3/4 inch magnet for normally-closed circuits. Perfect for loose-fitting door and windows, steel doors and o

Amazon Marketplace

$13.50

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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

FREE shipping

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