Alarm Controls MCK-2 Mortise Cylinder Key Switch, 1.75" SPDT Momentary
SKU
MCK-2
Model No
MCK-2
$77.50
Product Highlights
- Stainless Steel Plate Accepts Standard 1-1/8" Mortise Cylinders
- Depth behind Plate is 1.25"
- Switches Terminated in Colored Leads
- Switch Contacts Rated 4A @ 28VDC
- LEDs Operate on 12 or 24 Volts AC or DC

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The MCK-2 from Alarm Controls is a mortise cylinder key switch with a 1.75" SPDT momentary and an integrated green LED, designed for easy integration into security systems while ensuring durability and functionality.
Alarm Controls MCK-2 Key Switch Features
- Stainless Steel Plate: Accepts standard 1-1/8" mortise cylinders for compatibility and durability.
- Compact Design: Depth behind plate is 1.25”, ideal for various installation scenarios.
- Colored Leads: Switches terminated in colored leads for easy identification and installation.
- Reliable Performance: Switch contacts rated 4A @ 28VDC ensure dependable operation under load.
- Diverse Operating Voltage: LEDs operate on 12 or 24 volts AC or DC to accommodate different power sources.
- Enhanced Security: Tamper-proof design with slotted-head screw provided for added security measures.
Detailed Specifications for Alarm Controls MCK-2
| Feature | Details |
| Type | Mortise Cylinder Key Switch |
| Momentary Action | 1.75" SPDT |
| Material | Stainless Steel |
| Compatible Cylinder Size | 1-1/8" |
| Depth Behind Plate | 1.25" |
| Switch Contact Rating | 4A @ 28VDC |
| LED Voltage Compatibility | 12 or 24 Volts AC/DC |
| Security Feature | Tamper-Proof with Slotted-Head Screw |
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