Alarm Controls MCK-3-4 Steel Double Pole Double Throw Switch with Red and Green LED Indicator
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
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Key Features
- Clear status visibility with integrated red and green LED indicators for quick on-site monitoring and remote surveillance verification.
- Robust steel construction for durable, long-life performance in high-traffic access control and security environments.
- DPDT (double pole double throw) switching provides flexible circuit control and easy integration with alarm panels and monitoring systems.
- Keyed operation reduces unauthorized use and ensures secure activation of critical functions like alarm bypass or emergency reset.
- US-made Alarm Controls MCK-3-4 unit built to OEM standards for reliable compatibility with existing control panels and security equipment.
Quick Specifications
- Product Model
- MCK-3-4
- Brand Name
- Alarm Controls by ASSA ABLOY
- Country of Origin
- US
- Manufacturer Part Number
- MCK-3-4
Explore the details
Product information
MCK-3-4
Overview
Optimize field operations and streamline access control with the Alarm Controls by ASSA ABLOY MCK-3-4 steel key switch. Designed for demanding security and surveillance applications, this DPDT (double pole double throw) key switch delivers reliable switching and clear status feedback with its integrated red and green LED indicators. The heavy-gauge steel housing stands up to frequent use in control rooms, alarm panels, and perimeter monitoring stations, while the keyed mechanism minimizes accidental or unauthorized activation—ideal for alarm bypass, system reset, or zone control tasks.
Engineered for system integrators and facilities managers, the MCK-3-4 (manufacturer part number MCK-3-4) simplifies wiring and reduces installation time thanks to its dual-pole contacts and standard footprint. Built in the US, it meets commercial-grade expectations for durability and compatibility with legacy and modern access control systems. Choose this key switch when you need dependable performance, visible status indicators, and rugged construction to support critical security, surveillance, and monitoring workflows. Add the Alarm Controls MCK-3-4 to your control panel or security cabinet to improve operational clarity—order now for efficient deployment.
Features
- Clear status visibility with integrated red and green LED indicators for quick on-site monitoring and remote surveillance verification.
- Robust steel construction for durable, long-life performance in high-traffic access control and security environments.
- DPDT (double pole double throw) switching provides flexible circuit control and easy integration with alarm panels and monitoring systems.
- Keyed operation reduces unauthorized use and ensures secure activation of critical functions like alarm bypass or emergency reset.
- US-made Alarm Controls MCK-3-4 unit built to OEM standards for reliable compatibility with existing control panels and security equipment.
| General Information | |
|---|---|
| Brand Name | Alarm Controls by ASSA ABLOY |
| Country of Origin | US |
| Manufacturer Part Number | MCK-3-4 |
| Physical Characteristics | |
| Color | Green, Red |
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Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MCK-3-4
- Manufacturer part:
- MCK-3-4
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAlarm Controls MCK-3-4 Steel Double Pole Double Throw Switch with Red and Green LED Indicator
MCK-3-4