Zhejiang Zhiming Electric Import & Export Co., Ltd.

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SPD9-C

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Description

SPD9-C series surge protective devices suitable for TT,IT ,TN-S ,TN-C-S etc. power supply system of AC 50/60Hz,≤230/400V,which protects the electric network not shocked by the thunder or over voltage. It’s designed according to IEC61643-1, GB18802.1, GB50057, and installed in the building of low-voltage main power distribution cabinet usually.

Features

1. Modular design, easy installation, electrified maintenance easy operation

2. Built-in over current and over heat, temperature control circuit breaking technology.

3. Quick response less than 25ns.

4. Alarm display, green(normal), red (malfunction).

Installation guide

SPD9-C series should be installed before the uplink side to protect the customers’ equipment, it’s a grounding device to connect the outside wire or neutral wire with the customers’ equipment. Usually it’s installed in the junction area of LPZOA/OB and LPZ1 or LPZ1 and LPZ2.

Technical Parameters

Model Technical Parameters	SPD9-C
Poles	1P,2P,1P+N,3P,3P+N,4P
Rated Operating Voltage Un(V)	230/400
Nominal Discharge Current In(8/20μs) kA	20
Max Discharge Current Imax(8/20μs) kA	40
Max Continuous Working Voltage Uc(V)	275	320	385	420	440
U1mA Varistor Voltage (V)	430	510	620	680	710
Voltage Protection Level Up (kV)	<1.5	<1.6	<1.8	2.0	<2.2
Response Time	<25
Leakage Current75% Uc 1mA	<20μA
Protection Level	IP20
Limits of Temperature	-40℃~+80℃
Material of Outer Covering	PBT/PA66
Installation	Standard Rail 35mm
Color of Outer Covering	White/Gray
Test Standard	GB18802.1 GB18802.21 IEC61643-1 IEC61643-21 UL1449ed.2

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