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ZGGB40-385(4+0)
General                                                                              
The ZGGB40-385(4+0) Modular Power Supply SPD is made up of  MOV power modules and a base, used for secondary protection of L-PE、N-PE respectively. It applies in low voltage AC power distribution systems, and is connected between the AC power supply and the equipment in parallel. It protects the equipment from impulse surge and transient overvoltage caused by the outside environment (such as lightning and EMI) or by the system (such as switching effects of the system, startup or shutoff of the inductance and capacitance loads).

Features                                                                             
1. Anti-plug and mutual-plug protection.
2. No backup fuse needed.
3. High discharge capacity, low residual voltage. 
4. Overheating and over-current protection.
5. Failure indication and centralized remote signalling alarm dry contacts.

Standard Complied                                                                   
IEC 61643-11:2011 Low-voltage surge protective devices – Part 11: Surge protective devices connected to low-voltage power systems – Requirements and test methods

Technical Data                                                                       
Operating Environment
Temperature range
–40°C to 80°C
Relative humidity range
≤ 95% (25°C)
Altitude range
–500 m to 4000 m 
Technical Parameters
Model
ZGGB40-385(4+0)
SPD According to IEC 61643-1 /11
Class Ⅱ
SPD According to EN 61643-11
Type 2
Maximum continuous operating voltage Uc
 385 V AC
Working frequency
50/60 Hz
Nominal discharge current In (8/20 μs)
20 kA
Maximum discharge current Imax (8/20 μs)
40 kA
voltage protection level Up
2.0 kV
Access mode
In parallel
Response time tA
L/N-PE
Cross-sectional area of the
copper wire connected by the terminal
≤ 25 ns
Cross-sectional area of the copper wire
connected by the remote signalling interface
Multi-core wire: 1.5 mm2 ~ 25 mm2
Single-core wire: 1.5 mm2~35 mm2
Sensitivity of the remote signaling alarming contact
0.5 mm2～1.5 mm2
Torque: Terminal/Remote signalling interface
AC: 125 V/0.5 A    DC: 30 V/0.1 A
Degree of protection of enclosure (IP rating)
2.5/0.25 Nm
Application system
IP 20
Access mode
TN-S
Installation mode
35-mm guide rail
Flammability
UL94 V-0

Circuit Diagram  
Configuration                                                                             
Dimensions (H x W x D): 90 mm x 72 mm x 76 mm (not including remote signalling interface)