四川中光防雷科技股份有限公司
Products
ZGGFB50-385Y
General                                                                               
        The ZGGFB50-385(2+0)Y Modular Power Supply SPD employs multi-layer discharge technology. It is applied in the primary power distribution system to protect equipment against direct lightning strikes and induced surges.
Features                                                                             
         High discharge capacity, low residual voltage, and strong follow current interrupt capability
         Standard din rail installation
         Equipped with disconnecter, local status indicator and remote signaling interface
Standards 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
         EN 61643-11:2012 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 +85°C
Relative humidity range 5% to 95% (+25°C)
Altitude range –500 m to +3000 m
Technical Parameters
 
Model ZGGFB50-385(2+0)Y ZGGFB50-385(3+0)Y ZGGFB50-385(4+0)Y
SPD according to IEC 61643-11 Class I + Class II
SPD according to EN 61643-11 Type 1 + Type 2
Number of ports One port
Connection mode In parallel
Grid voltage of the protected systemU0 (L-N
phase voltage)
230 V 50/60 Hz
Maximum continuous operating voltage (Uc) 385 V 50/60 Hz
Type of low voltage (LV) system TN
Modes of protection L-PE, N-PE L-PE L-PE, N-PE
Nominal discharge current In (8/20 μs) 50 kA
Impulse discharge current Iimp (10/350 μs) 50 kA
Quantity of electric charge(Q) 25 As
Specific energy (W/R) 625 kJ/Ω
Voltage protection level (Up) 2.5 kV
Measured limiting voltage UL( at Iimp) ≤0.8 kV (after 10 μs )
Follow current interrupt rating (Ifi) 3 kA (at 385 V a.c.)
Short-circuit current rating I(SCCR) 3 kA
Impulse withstand capability (10/350 μs) 25 kA (10 times, 5-minute interval)
Response time (tA) ≤ 100 ns
Leakage current ≤ 1 mA
Residual current (IPE) ≤ 1 mA
TOV test parameter(low-voltage system) UT =442 V, tT =120 min
Application scenario Indoor
Installation method 35-mm din rail
Status Indication Green: normal; Red: fault
The cross-sectional area of the wire that can
be clamped by the power supply terminal
6 mm2 to 25 mm2 multi-core wire
Torque: Terminal/Remote signaling interface 2.5 N·m/0.25 N·m
Remote signaling parameters AC: 250 V/0.5 A, 125 V/1 A
DC: 30 V/0.1 A
The cross-sectional area of the wire that can be clamped by the remote signaling interface 0.5 mm2 to 1.5 mm2
Storage period 2 years
Guarantee period 2 years
 
Circuit Diagram
ZGGFB50-385(2+0)Y
ZGGFB50-385(3+0)Y
ZGGFB50-385(4+0)Y

 
Configuration                                                                        
ZGGFB50-385(2+0)Y
ZGGFB50-385(3+0)Y
ZGGFB50-385(4+0)Y