Alarm Controls MCK-3-2 SPDT Alternate Action Switch
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.
Image of 1
Key Features
- Provides tamper‑resistant, alternate-action access control for secure entry points, reducing unauthorized access and simplifying lock management.
- Integrated green LED (12/24 VDC) gives immediate visual status for monitoring and troubleshooting in security and surveillance systems.
- Durable 302 stainless steel narrow wallplate withstands commercial wear for clean installations in high-traffic areas.
- SPDT switch rated 4A @ 28 VDC supports low-voltage access control circuits and easy integration with alarm and monitoring panels.
- Accepts standard 1-1/8" mortise cylinder for keyed control and flexible master/keying options; UL/CUL recognized components ensure code-friendly deployment.
Quick Specifications
- Product Model
- MCK-3-2
- Brand Name
- Alarm Controls by ASSA ABLOY
- Product Name
- S.P.D.T. Alternate Action Switch
- Product Type
- Keyswitch
Explore the details
Product information
MCK-3-2
Overview
Bring reliable, tamper-resistant access control to critical entry points with the Alarm Controls by ASSA ABLOY MCK-3-2 SPDT alternate action keyswitch. Designed for security professionals, this keyswitch delivers dependable alternate-action control for doors, gates, and control panels while providing visible status via a green LED that operates on 12 or 24 VDC. The MCK-3-2 mounts on a narrow 1-3/4" 302 stainless steel wallplate for a low-profile, vandal-resistant installation suited to commercial and institutional environments.
With SPDT alternate action switching rated at 4A @ 28 VDC and 8" colored leads for fast low-voltage connections, this keyswitch integrates easily into access control, alarm, and monitoring systems. It accepts a standard 1-1/8" mortise cylinder (sold separately) so you can choose keyed-different or keyed-alike options to match your security plan. Supplied with tamper-proof and slotted screws and built from UL/CUL recognized components, the MCK-3-2 supports code-conscious deployments.
Specify the MCK-3-2 when you need a rugged, easy-to-service keyswitch for access control, surveillance integration, or perimeter monitoring. Contact your distributor to order or discuss custom silkscreening and cylinder options.
Features
- Provides tamper‑resistant, alternate-action access control for secure entry points, reducing unauthorized access and simplifying lock management.
- Integrated green LED (12/24 VDC) gives immediate visual status for monitoring and troubleshooting in security and surveillance systems.
- Durable 302 stainless steel narrow wallplate withstands commercial wear for clean installations in high-traffic areas.
- SPDT switch rated 4A @ 28 VDC supports low-voltage access control circuits and easy integration with alarm and monitoring panels.
- Accepts standard 1-1/8" mortise cylinder for keyed control and flexible master/keying options; UL/CUL recognized components ensure code-friendly deployment.
| General Information | |
|---|---|
| Brand Name | Alarm Controls by ASSA ABLOY |
| Manufacturer | Alarm Controls Corporation |
| Product Name | S.P.D.T. Alternate Action Switch |
| Product Type | Keyswitch |
| Product Model | MCK-3-2 |
| Switch Action | Maintained |
| Country of Origin | US |
| Manufacturer Part Number | MCK-3-2 |
| Physical Characteristics | |
| Color | Green |
| Depth | 1.50" |
| Material | Stainless Steel |
No matching specifications
Try a different term, such as a connector type or resolution.
Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MCK-3-2
- Manufacturer part:
- MCK-3-2
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-3-2 SPDT Alternate Action Switch
MCK-3-2