20KA AC Power SPD

SPD for AC power; 220VAC, TN system, Single phase; In(8/20us): 10kA/phase, Imax: 20kA/phase; hot-pluggable; fault indication.

Features & Advantages of 20KA SPD

Status indication:

Green: OK

Red: Failed

Lightning protection device modules can be replaced online.

Remote alarm output is optional, named with "F".

It is normally installed at the boundary of LPZ1 and LPZ2 or subsequent LPZs.

Parameter of 20KA AC Power SPD

T2-20/3P T2-20/4P T2-20/1P+1 T2-20/3P+1

T2-20/2P T2-20/3PF T2-20/4PF T2-20/1P+1F T2-20/3P+1F

T2-20/2PF

Max. continuous operating voltage Uc 320VAC 320VAC 320VAC 320VAC 320VAC

Nominal discharge current In(8/20µs) 10kA 10kA 10kA 10kA 10kA

Max. discharge current Imax(8/20µs) 20kA 20kA 20kA 20kA 20kA

Voltage protection level Up 1.2kV 1.2kV 1.2kV 1.2kV 1.2kV

Recommended backup fuse 40A gG 40A gG 40A gG 40A gG 40A gG

Recommended grounding cable 4~35mm2 4~35mm2 4~35mm2 4~35mm2 4~35mm2

Response time 25ns 25ns 25ns 25ns 25ns

Residual current IPE <10µA <10µA <10µA <10µA <10µA

Remote alarm output 250VAC/0.5A;24VDC/0.5A 250VAC/0.5A;24VDC/0.5A 250VAC/0.5A;24VDC/0.5A 250VAC/0.5A;24VDC/0.5A 250VAC/0.5A;24VDC/0.5A

Housing protection grade(IEC60529) IP 20 IP 20 IP 20 IP 20 IP 20

Housing material/inflammability rating(UL94) PA66/V0 PA66/V0 PA66/V0 PA66/V0 PA66/V0

Testing standard IEC 61643-11 IEC 61643-11 IEC 61643-11 IEC 61643-11 IEC 61643-11

Suitable for power supply system TN system(single phase) IT,TN-C system(three phase) TN-S system(three phase) IT,TN-C system(single phase) TT system(three phase)

If you want to know more about safety automation system, please contact us.

SHANGHAI CHENZHU INSTRUMENT CO., LTD. is a very established provider that specialises in automation safety.

We have over 24 years of experience in the design and manufacture of intrinsic barrier, surge protection device, isolated signal conditioner, safety relay, low power transmitter and temperature transmitter. Our products and solutions cover many areas--from process automation safety to factory automation.