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SGS1 Series Surge Protective Device

• Suitable for power supply systems such as equipment end protection, terminal distribution box and internal information front section. • Applicable to the front or nearest outlet box of the household distribution box, computer equipment, electronic equipment and control equipment. • SPD is a port, anti-shock protection, indoor fixed installation, voltage limited type. • When the SPD works normally, the visible window displays green, and when it fails, it displays red.

Technical Data


Standard IEC61643-1 Protection level Up(KV) <1.3/1.4/1.5/1.6/1.7/1.8/2.2/2.5/3.0 KV
Protection Protect electric system and on-loading electrical
apparatus from thunder and instanteous over-voltage
Response time t(ns) <25
Ambient temperature(℃) -40~+70 On-Off indicating window Green: normal function
Red: functionless, immediate replacement required
Number of poles 1P,2P,3P,4P Type of terminal Pin type
Maximum continuous
Operating voltage Uc(V~
275/320/385/440 V Installation Mounting on 35mm DIN rail
Nominal discharge
current In(8/20µs) (KA)
10/20/30/40/60 KA Ground system TT/TN
Maximum discharge
current Imax(8/20µs) (KA)
20/40/60/80/100 KA


Product Diagram

SGS1 Series Surge Protective Device