The MCK-4-3 from Alarm Controls is a mortise cylinder key switch designed for reliability and convenience, featuring a single gang DPDT momentary switch that enhances security with a robust stainless steel plate and easy installation.
Alarm Controls MCK-4-3 Key Features
- Stainless Steel Plate: Accepts standard 1-1/8″ mortise cylinders for durability and compatibility with most installations.
- Compact Design: Depth behind plate is only 1.25″, allowing for seamless integration into various settings.
- Easy Wiring: Switches are terminated in colored leads for straightforward installation and troubleshooting.
- High Performance: Switch contacts are rated at 4A @ 28VDC, ensuring reliable operation in demanding applications.
- Versatile Operation: LEDs operate on both 12 or 24 volts AC or DC, providing flexibility in power supply options.
- Security Features: Tamper-proof design with slotted-head screws enhances protection against unauthorized access.
Alarm Controls MCK-4-3 Detailed Specifications
| Feature | Details |
| Type | Mortise Cylinder Key Switch |
| Switch Configuration | Single Gang DPDT Momentary |
| Material | Stainless Steel |
| Mortise Cylinder Size | Standard 1-1/8″ |
| Depth Behind Plate | 1.25″ |
| Contact Rating | 4A @ 28VDC |
| LED Voltage | 12 or 24 Volts AC or DC |
| Screw Type | Tamper-Proof, Slotted-Head |



















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