The MCK-4-2 from Alarm Controls is a mortise cylinder key switch with single gang SPDT alternate, designed for robust security and reliable performance. This key switch features a durable stainless steel plate and is compatible with standard mortise cylinders, making it an ideal choice for commercial and residential applications.
Alarm Controls MCK-4-2 Key Switch Features
- Stainless Steel Plate: Accepts standard 1-1/8″ mortise cylinders, ensuring compatibility and long-lasting durability.
- Compact Design: Depth behind plate is only 1.25″, allowing for easy installation in tight spaces.
- Color-Coded Leads: Switches terminated in colored leads for straightforward wiring and installation.
- High Current Rating: Switch contacts rated 4A @ 28VDC, providing reliable performance for various applications.
- Versatile LED Operation: LEDs operate on 12 or 24 volts AC or DC, accommodating different power sources.
- Tamper-Proof Construction: Tamper-proof and slotted-head screws provided to enhance security and prevent unauthorized access.
Detailed Specifications for Alarm Controls MCK-4-2
| Feature | Details |
| Model | MCK-4-2 |
| Type | Mortise Cylinder Key Switch |
| Switch Type | Single Gang SPDT Alternate |
| Material | Stainless Steel |
| Mortise Cylinder Compatibility | Standard 1-1/8″ |
| Depth Behind Plate | 1.25″ |
| Switch Contact Rating | 4A @ 28VDC |
| LED Voltage | 12 or 24 Volts AC/DC |
| Security Features | Tamper-Proof and Slotted-Head Screws |



















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