Alarm Controls MCK-1-2 Mortise Cylinder Key Switch, 1.75" SPDT Alternate
SKU
MCK-1-2
Model No
MCK-1-2
$78.75
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-1-2 from Alarm Controls is a mortise cylinder key switch with 1.75" SPDT alternate, designed for enhanced security and reliability. This robust unit features a stainless steel construction, making installation straightforward while ensuring durability and long-lasting performance.
Alarm Controls MCK-1-2 Key Switch Features
- Stainless Steel Plate: Accepts standard 1-1/8" mortise cylinders for easy replacement and compatibility.
- Depth Behind Plate: Measures 1.25", allowing for versatile installation options without compromising on security.
- Terminated Switches: Comes with colored leads for easy identification and simplified wiring during installation.
- Contact Ratings: Rated at 4A @ 28VDC, ensuring reliability in various electrical environments.
- LED Operation: Compatible with 12 or 24 Volts AC or DC, providing flexible power options for visual indicators.
- Tamper-Proof Design: Features slotted-head screws to deter unauthorized removal and enhance security.
Detailed Specifications for MCK-1-2
| Product Type | Mortise Cylinder Key Switch |
| Model Number | MCK-1-2 |
| Plate Material | Stainless Steel |
| Cylinder Compatibility | 1-1/8" Mortise Cylinders |
| Depth Behind Plate | 1.25 inches |
| Switch Termination | Colored Leads |
| Contact Rating | 4A @ 28VDC |
| LED Voltage | 12 or 24 Volts AC or DC |
| Security Features | Tamper-Proof, Slotted-Head Screws |
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