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ZGG30-750(3+0)
 
General                                                                                 
The ZGG30-750(3+0) Modular Power Supply SPD is made up of  MOV power modules and a base, used for secondary protection of L-PEN. It is applied in low voltage AC power distribution system, and connected between the AC power supply and the equipment in parallel. It can prevent the equipment from the impulse surge and the transient overvoltage caused by the outside environment (such as lightning, EMI, etc.) or by the system (such as switching effects of the system, startup or shutoff of the inductance and capacitance load, etc.) .

Features                                                                                 
1. Anti-reverse plug.
2. High discharge capacity, low residual voltage.
3. Overtemperature protection.
4. Failure indication and centralized remote signalling alarm dry contacts.
5. Enclosure IP20, UL94 V-0.

Standards Complied                                                                           
UL1449 Standard for Safety Surge Protective Devices.
IEC 61643-11: 2011 Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems – Requirements and tests.
EN 61643-11: 2012 Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems – Requirements and tests.

Technical Data                                                                             
Operating Environment
Temperature range
 -40 ℃~﹢80 ℃
Relative humidity range
5 %～95 %
Altitude range
-500 m～﹢4000 m
Technical Parameters
Model
ZGG30-750(3+0)
SPD According to IEC 61643-11
Class Ⅱ
SPD According to EN 61643-11
Type 2
Max. continuous operating voltage UC
750 V
Operating frequency
50/60 Hz
Nominal discharge current In (8/20 μs)
15 kA
Max. discharge current Imax (8/20 μs)
30 kA
Voltage protection level Up
3.0 kV
Max. backup fuse
100 A gL/gG
Connection mode
Parallel
Protection mode
L-PEN
Response time tA  
≤ 25 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-C
Dimensions
90 mm×54 mm×68 mm
(excluding remote signalling terminals)
Mounting on
DIN 35 mm rail
Flammability
UL 94 V-0

Circuit Diagram
Configuration