The DS40/275(V+T) is a surge protection device designed to protect CCTV power systems and connected equipment against transient overvoltages and lightning-induced surges.
The SZK-040-220SA is a surge protection device for single-phase 2-wire power systems, featuring a nominal discharge current of 20kA, a maximum discharge current of 40kA, and a voltage protection level below 2kV. It also provides a remote monitoring contact as standard.
