Shanghai Total Industrial Co., Ltd.

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surge protective device

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Detailed Product Description

Product Summarize :

Application scope↓

JVS1 Surge Protective Device series (referred as SPD) provides protection against surge current resulted from direct or indirect lightning strike or other instantaneous overvoltage.

Standard↓

None

Main technical parameters↓

Type	JVS1-A	JVS1-B	JVS1-C	JVS1-D	JVS1-E
Max. Continuous Operating Voltage Uc (V)	320	320	320	420	460
Protected Surge Current Up (kV) (8 /20μs)	1.0	1.2	1.5	2.0	2.3
Normal Discharge Current Ism(kA)(8 / 20μs 5times)	5	10	20	30	40
Max Discharge Current Imax (kA) (8 / 20μs 1time)	10	20	40	60	70
Response Time t (nS)	25
Power withstanding(J)(2mS)	640	640	640	640	1500
Ambient Temperature	-40+80
Colour of Function Unit	Yellow	Light Yellow	White	Brown	Red

Construction features :

One pole: provide protection against surge current of circuit single phase 220V.
Two poles: provide protection against surge current of L and N phase to earth of circuit single phase 220V resulted from lightning.
Three poles: provide protection against surge current of S phase of TT, TN-S system 380V, and also protect S to earth of IT TN-C system of 380V.
Four poles: provide protection against surge current against S, N to earth of TT TN-S system of 380V.