Alarm Controls MCK-4-2 Mortise Cylinder Key Switch, Single Gang SPDT Alternate
SKU
MCK-4-2
Model No
MCK-4-2
was $216.00 Special Price $82.00
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-4-2 from Alarm Controls is a mortise cylinder key switch with single gang SPDT alternate, designed for durability and reliable performance in access control systems.
Alarm Controls MCK-4-2 Key Switch Features
- Durable Construction: Stainless Steel Plate Accepts Standard 1-1/8" Mortise Cylinders, ensuring long-lasting use and resistance to wear.
- Compact Design: Depth behind Plate is 1.25", allowing for easy installation in tight spaces.
- Easy Wiring: Switches Terminated in Colored Leads facilitate simple and error-free connections.
- High Capacity: Switch Contacts Rated 4A @ 28VDC, enabling compatible use with a wide range of devices.
- Versatile Power Options: LEDs Operate on 12 or 24 Volts AC or DC to accommodate various electrical systems.
- Enhanced Security: Tamper-Proof and Slotted-Head Screwed Provided adds an extra layer of safety against unauthorized access.
Detailed Specifications for Alarm Controls MCK-4-2
| Feature | Detail |
| Type | Mortise Cylinder Key Switch |
| Style | Single Gang SPDT Alternate |
| Material | Stainless Steel |
| Mortise Cylinder Size | Standard 1-1/8" |
| Depth Behind Plate | 1.25" |
| Switch Contact Rating | 4A @ 28VDC |
| Power Requirements for LEDs | 12 or 24 Volts AC or DC |
| Security Features | Tamper-Proof and Slotted-Head Screwed Provided |
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