四川中光防雷科技股份有限公司
Products
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                                                                                 
         1Anti-reverse plug and anti-mutual insert.
         2High discharge capacity, low residual voltage.
         3Overtemperature protection.
         4Failure indication and centralized remote signalling alarm dry contacts.
         5Enclosure 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 UC 850 V AC
Operating frequency 50/60 Hz
Nominal discharge current In (8/20μs) 20 kA
Max. discharge current Imax (8/20μs) 40 kA
Voltage protection level Up 4.0 kV
Max. backup fuse 80 A gL/gG 
Connection mode parallel
Protection mode L-PE
Response time tA  ≤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