Features:
- Converts cylindrical lock sets into an electronic access-controlled locking system
- Fail-secure operation - Door remains locked if power to the strike is lost
- 2-wire installation, non-polarized connection
- Stainless steel keeper for strength and long life
- Includes Stainless Steel No-Cut and Silver-Colored Aluminum Low-Cut* Strike Plates
- Can be used with virtually any cylindrical door locking system
- Can be used with an optional digital keypad, pushbutton switch, and other entry devices.
- Suitable for office-type applications
Specifications
- Operating Voltage - 12VDC
- Current Draw - 280mA@12VDC
- Static Strength - 1,000-lb (454kg)
- Endurance - 250,000 Cycles (Factory tested)
- Latch Throw - 1/2" (13mm)
- Operating Temperature - 14°~120° F (-10°~49° C)
- Operating Humidity - 0~85% (Non-condensing)
- Dimensions - Keeper width: SD-991SS-61Q/S - 1-1/8" (28mm), SD-991RA-61Q/A or B - 1-3/16" (30mm)