Alarm Controls MCK-1 Mortise Cylinder Key Switch, 1.75" SPDT Momentary
SKU
MCK-1
Model No
MCK-1
was $76.45 Special Price $74.50
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-1 from Alarm Controls is a mortise cylinder key switch designed to provide reliable access control with its 1.75" SPDT momentary functionality. Its durable construction and thoughtful features make it an excellent choice for secure and efficient operation.
Alarm Controls MCK-1 Key Switch Features
- Stainless Steel Plate: Accepts standard 1-1/8" mortise cylinders, ensuring compatibility with most lock installations.
- Depth Behind Plate: 1.25" design allows for easy installation in various mounting scenarios.
- Colored Leads: Switches terminated in colored leads simplify wiring, making installation quick and hassle-free.
- High-Performance Contacts: Switch contacts rated 4A @ 28VDC provide reliable operation and durability for long-term use.
- Versatile LED Operation: LEDs operate on 12 or 24 volts AC or DC, offering flexibility for different systems.
- Tamper-Proof Design: Features slotted-head screws to enhance security against unauthorized access.
Detailed Specifications for Alarm Controls MCK-1
| Feature | Details |
|---|---|
| Product Type | Mortise Cylinder Key Switch |
| Momentary Switch Type | 1.75" SPDT |
| Material | Stainless Steel Plate |
| Compatibility | Standard 1-1/8" Mortise Cylinders |
| Depth Behind Plate | 1.25" |
| Wiring | Colored Leads |
| Contact Rating | 4A @ 28VDC |
| LED Voltage | 12 or 24 Volts AC or DC |
| Security Feature | Tamper-Proof with Slotted-Head Screws |
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