ZGG40-850(3+1)f - for Wind Power System - Sichuan Zhongguang Lightning Protection Technologies Co., Ltd.

ZGG40-850(3+1)f

General

ZGG40-850(3+1)f is made up of three MOV power modules, one GDT power module and a base, used for secondary protection of L-PE.

Features

1. Anti-reverse plug and anti-mutual insert.

2. High discharge capacity, low residual voltage.

3. Overtemperature protection.

4. Failure indication and centralized remote signalling alarm dry contacts.

5. Enclosure IP 20, UL 94 V-0.

Standards Complied

IEC 61643-11: 2011 Low-voltage surge protective device-part 11: surge protective devices connected to low-voltage power systems-Requirements and test.

EN 61643-11: 2012 Low-voltage surge protective device-part 11: surge protective devices connected to low-voltage power systems-Requirements and test.

Technical Data

Operating Environment

Temperature range	-40 ℃~﹢80 ℃
Relative humidity range	5 %～95 %
Altitude range	-500 m～﹢4000 m

Technical Parameters

Model	ZGG40-850(3+1)f
SPD According to IEC 61643-11	Class Ⅱ
SPD According to EN 61643-11	Type 2
Max. continuous operating voltage U_C	850 V AC
Operating frequency	50/60 Hz
Nominal discharge current I_n (8/20 μs)	20 kA
Max. discharge current I_max (8/20 μs)	40 kA
Voltage protection level U_p	4.0 kV
Max. backup fuse	80 A gL/gG
Connection mode	Parallel
Protection mode	L-PE
Response time t_A	≤ 100 ns
Cross-sectional Area	Stranded: 1.5 mm²~ 25 mm² Solid: 1.5 mm²~ 35 mm²
Max. Cross-sectional Area For Remote signalling terminals	1.5 mm²
Intensity of Remote Signalling Alarm Contact	AC: 250 V/0.5 A 125 V/1 A DC: 30 V/0.1 A
Torque: Connecting Terminal/Remote Signalling Interface	2.5 N•m /0.25 N•m
Degree of Protection (IP Code)	IP 20
Installation system	TN、TT、IT
Installation system	90 mm×72 mm×68 mm (excluding remote signalling terminals)
Dimensions	DIN 35 mm rail
Mounting on	UL94 V-0

Circuit Diagram

Configuration