Alarm Controls MCK-4-4 Mortise Cylinder Key Switch, Single Gang DPDT Alternate
SKU
MCK-4-4
Model No
MCK-4-4
$84.66
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-4-4 from Alarm Controls is a mortise cylinder key switch with single gang DPDT alternate. This durable and reliable switch is designed for security applications, providing effective control and peace of mind.
Alarm Controls MCK-4-4 Key Switch Features
- Stainless Steel Plate: Accepts standard 1-1/8" mortise cylinders for easy installation and enhanced durability.
- Compact Depth: Depth behind plate is only 1.25", allowing for versatile installation in tight spaces.
- Color-Coded Leads: Switches terminated in colored leads simplify wiring and reduce installation time.
- High Rated Switch Contacts: Rated 4A @ 28VDC to ensure reliable performance and longevity.
- LED Compatibility: Operates on 12 or 24 volts AC or DC, providing flexibility in various applications.
- Tamper-Proof Design: Comes with slotted-head screws to prevent unauthorized tampering for enhanced security.
Detailed Specifications for Alarm Controls MCK-4-4
| Feature | Details |
|---|---|
| Product Type | Mortise Cylinder Key Switch |
| Switch Type | Single Gang DPDT Alternate |
| Material | Stainless Steel Plate |
| Mortise Cylinder Size | 1-1/8 inches |
| Depth Behind Plate | 1.25 inches |
| Switch Contacts Rating | 4A @ 28VDC |
| Power Operating Voltage | 12 or 24 Volts AC or DC |
| Installation Accessories | Tamper-Proof and Slotted-Head Screws |
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