| Temperature range | –40°C to +85°C |
| Relative humidity range | 5% to 95% (+25°C) |
| Altitude range | –500 m to +3000 m |
| 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 |
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| 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 | ||
