Switch with Key with Normally Open Contact
- Brand / Vendor: ACCESSPRO
- Hardware Model / MPN: PROKSC
- Condition: 100% Brand New, Factory-Sealed Commercial Gear
- Category: Access Control
- Fulfillment Origin: Dispatches from Texas & Florida distribution hubs
- Binational Availability: Commercial procurement ready for USA and Mexico
Key Switch with NO/NC Contacts
The ACCESSPRO PROKSC is a steel-plate key switch designed for access control and security system integration. It provides both normally open (NO/COM) and normally closed (NC/COM) contact configurations through an ON/OFF toggle mechanism. The unit supports DC voltage up to 24 VDC and features a removable universal key that can be extracted in both switch positions. With a mechanical life rating of 500,000 operations, this switch is suitable for high-cycle applications in commercial and institutional environments.
Main Features
- Steel plate construction for mounting durability
- ON/OFF switch with NO/COM and NC/COM contacts
- Load capacity: 4A at 125 VAC, 2A at 250 VAC
- Supports up to 24 VDC operating voltage
- Compact dimensions: 0.46 x 0.28 in (116 x 71 mm)
- Removable universal key operable in both positions
- Mechanical life: 500,000 switching cycles
Electrical Specifications
Switch: ON/OFF
Contact: NO/COM and NC/COM
Load capacity: 4A / 125 VAC
Load capacity: 2A / 250 VAC
DC voltage support: up to 24 VDC
Physical Specifications
Construction: Steel plate
Dimensions: 0.46 x 0.28 in (116 x 71 mm)
Key type: Universal, removable in both positions
Mechanical life: 500,000 operations
Typical applications: Access control system override, security panel enable/disable functions, and equipment isolation in commercial and industrial installations.

• Free Ground Shipping: Automatically applied to all orders of $500.00 USD and above across the 48 Contiguous United States.
• Same-Day Dispatch: Orders placed before 2:00 PM CST (Mon–Fri) dispatch the same business day from our Texas & Florida distribution hubs.
• Carrier & Transit: UPS Ground / FedEx Ground (typically 2–5 business days).
• 100% Genuine Gear: Brand new, factory-sealed hardware directly sourced via authorized manufacturer channels.
• Full Factory Warranty: Covered by standard manufacturer warranty and RMA replacement support.
• 30-Day Hassle-Free Returns: Unopened and factory-sealed equipment eligible for return within 30 days of delivery.


