Products
- » [10000]Power supplies stabilized DC + AC
- » [20000]Battery backup power supplies, batteries, voltage converters, relay cards, timer relays
- »Batteries
- »Voltage converters, over- and under voltage protection boards
- »Relay cards, timer relays
- » [30000]Timer switch, code lock+key switch, Bluetooth-readers
- » [40000] Cabels (Spiral+installation)
- » [50000]Electromagnetic locks, brackets, electric strikes, fire door control + open holding
- » [60000]Call points, LEDs + buzzers, exit switches, door loops
- » [70000]Wire connectors, magnetic contacts, junction boxes, connection boxes, krone terminal block
- » [80000]Automatic door operators
You are here:
Voltage converters, over- and under voltage protection boards ›
Surge protection card SK-1 with varistors
[22180] Surge protection card SK-1 with varistors
Features
Surge protection card with varistor for protection against electromagnetic pulses (EMP).
The resistance of a varistor decreases rapidly when the voltage acting on it exceeds a specified level.
Technical specifications
Voltage selection with jumpers 12VDC or 24VDC.
Dimensions: 36x 16x 14mm
Wires and circuit board are supplied detached.
