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https://www.chenzhuisolator.com/products/20ka-ac-power-spd.html

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
T2-20/2P
T2-20/2PFT2-20/3P
T2-20/3PFT2-20/4P
T2-20/4PFT2-20/1P+1
T2-20/1P+1FT2-20/3P+1
T2-20/3P+1F
Max. continuous operating voltage Uc320VAC320VAC320VAC320VAC320VAC
Nominal discharge current In(8/20µs)10kA10kA10kA10kA10kA
Max. discharge current Imax(8/20µs)20kA20kA20kA20kA20kA
Voltage protection level Up1.2kV1.2kV1.2kV1.2kV1.2kV
Recommended backup fuse40A gG40A gG40A gG40A gG40A gG
Recommended grounding cable4~35mm24~35mm24~35mm24~35mm24~35mm2
Response time25ns25ns25ns25ns25ns
Residual current IPE<10μA<10μA<10μA<10μA<10μA
Remote alarm output250VAC/0.5A;24VDC/0.5A250VAC/0.5A;24VDC/0.5A250VAC/0.5A;24VDC/0.5A250VAC/0.5A;24VDC/0.5A250VAC/0.5A;24VDC/0.5A
Housing protection grade(IEC60529)IP 20IP 20IP 20IP 20IP 20
Housing material/inflammability rating(UL94)PA66/V0PA66/V0PA66/V0PA66/V0PA66/V0
Testing standardIEC 61643-11IEC 61643-11IEC 61643-11IEC 61643-11IEC 61643-11
Suitable for power supply systemTN system(single phase)IT,TN-C system(three phase)TN-S system(three phase)IT,TN-C system(single phase)TT system(three phase)

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