Alarm Controls MCK-2-2 MCK Series 1.75" Mortise Cylinder Key Switch, SPDT Alternate, Green LED
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
- Provides secure, user-friendly access control with an SPDT alternate action for dependable operation in alarm and security systems
- Bright green LED (12/24V AC/DC) offers instant visual status for monitoring and surveillance workflows
- Robust stainless-steel faceplate resists wear at high-traffic entry points and presents a professional finish
- Accepts standard 1-1/8" mortise cylinders for fast retrofits and flexible installation (cylinders sold separately)
- Tamper-proof screws and shallow 1.25" behind-plate depth simplify installation while reducing tampering risk
Quick Specifications
- Product Model
- MCK-2-2
- Brand Name
- Alarm Controls by ASSA ABLOY
- Product Name
- MCK Mortise Key Switch
- Product Type
- Mortise Key Switch
Explore the details
Product information
MCK-2-2
Overview
Optimize secure entry and system monitoring with the Alarm Controls by ASSA ABLOY MCK-2-2 mortise cylinder key switch. Built for access control, this mortise key switch delivers reliable SPDT alternate switching and a clear green LED status indicator that operates on 12 or 24 volts AC or DC — giving installers and security staff immediate visual feedback for surveillance and monitoring tasks. The stainless-steel faceplate accepts standard 1-1/8" mortise cylinders for quick replacement or upgrades, while the compact 1.25" depth behind the plate makes it ideal for retrofit projects and confined mounting spaces. Rated for 4A at 28VDC, the switch provides consistent performance when integrated with alarm panels, access controllers, or auxiliary control circuits. Tamper-proof and slotted-head screws are included to maintain hardware integrity in commercial and institutional environments. Whether you’re securing a server room, training facility, or retail entry, the MCK-2-2 combines durability and clear status indication to simplify installation and improve day-to-day security operations. Add this rugged Alarm Controls mortise key switch to your access control or surveillance setup today.
Features
- Provides secure, user-friendly access control with an SPDT alternate action for dependable operation in alarm and security systems
- Bright green LED (12/24V AC/DC) offers instant visual status for monitoring and surveillance workflows
- Robust stainless-steel faceplate resists wear at high-traffic entry points and presents a professional finish
- Accepts standard 1-1/8" mortise cylinders for fast retrofits and flexible installation (cylinders sold separately)
- Tamper-proof screws and shallow 1.25" behind-plate depth simplify installation while reducing tampering risk
| General Information | |
|---|---|
| Brand Name | Alarm Controls by ASSA ABLOY |
| Manufacturer | ASSA ABLOY |
| Product Name | MCK Mortise Key Switch |
| Product Type | Mortise Key Switch |
| Switch Action | Maintained |
| Product Series | MCK |
| Application/Usage | Mortise Cylinder |
| Country of Origin | US |
| Manufacturer Part Number | MCK-2-2 |
| Physical Characteristics | |
| Color | Green |
| Width | 1.80" |
| Material | Stainless Steel |
| Miscellaneous | |
| Compatibility | Alarm Controls Mortise Cylinders: CY-1 CY-1A |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MCK-2-2
- Manufacturer part:
- MCK-2-2
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-2-2 MCK Series 1.75" Mortise Cylinder Key Switch, SPDT Alternate, Green LED
MCK-2-2