Protection Unit

Detailed Product Description

It has excess voltage and current protection function, also has overload function to earthing, they are two kinds of discharge tube for choice: Gaseous discharge tube, Transistor discharge tube, the generic performance meets the requirement of Korea KT. or tailored to customer's requirement.

Technical Performance: 
1) Insulation resistance: >1000M Ohm
2) Bound of limited voltage: 180~300V
3) Capability of bearing alternating current: 5A, duration 1s, 5 times, interval
3min. once
4) Capability of bearing dash current: 100A; 10/1000us waveform, 300 times, interval 3min. once
5) Fail-safe current: 250mA
6) Over current action time: <60s when 250mA
7) Unactivated current: 150mA

Material Performance: 
1) Plastic Material: all the plastic parts use flame retardant material, the flame retardant capability reaches level FV-0;
2) High-performance tin bronze, Cu+P+Sn>99.7%