ELEJG Electric Technology
| Model | JGFH-125JS |
| Rated Current Range | 32–125A (JGFH-125JS) 100–250A (JGFH-250JS) 160–400A (JGFH-400JS) |
| Protection Functions | Overvoltage, Undervoltage, Overcurrent, Leakage, Phase Loss, Neutral Loss |
| Protection Settings Range | Overvoltage: 210–300V (default 265V) Undervoltage: 120–200V (default 170V) Residual Current: 1–1000mA (default 75mA) Overcurrent: 32–125A (for 125 model) Three-phase Unbalance: Default Off (P000) |
| Response Time | Power-On Delay: 20s Fault Disconnection: ≤3s 1× Current Trip Time: 1–120s (Default 5s) 1.1× Current Trip Time: <0.1s Voltage Protection Action Time: 0.1–10s (Default 0.1s) Leakage Action Time: <0.1s |
| Communication Protocol | Supports standard Modbus485 |
| Operating Temperature | -5℃ to +40℃ (24h average ≤ +35℃) |
1. The first normal power-on delay is 20 seconds and automatically closes; In the case of overvoltage, undervoltage, overcurrent and leakage when the first power is on, the product will be automatically disconnected within 3 seconds;
2. The ambient temperature does not exceed +40 °C, not less than -5 °C, and the average temperature of 24 hours does not exceed +35 °C; At +40°C, the ambient air humidity does not exceed 50%.
3. The height of the sea dial at the installation site shall not exceed 2000 meters.
4. Pollution level III.
5. In the installation environment, there is no explosion hazard medium, no corrosive and insulating gas and conductive dust, and no rain and snow invasion.
a. 1 times the action time can be adjusted from 1 to 120 seconds, and the default is 5 seconds;
b. 1.1 times the action time is less than 0.1 seconds;
c. The overvoltage protection value AC265V is set in the range of 210-300V,
The action time is 0.1 seconds, and the setting range: 0.1-10 seconds;
d. The undervoltage protection value AC170V is set to 120-200V,
The action time is 0.1 seconds, and the setting range: 0.1-10 seconds;
e. The default value of three-phase unbalance is P000, that is, the closed state;
f. Overcurrent setting range
JGFH-125JS/125 type: 32 to 125A
JGFH-250JS/250 model: 100 to 250A
JGFH-400JS/400 model: 160 to 400A
g. The setting range of residual current protection value: 1 to 1000mA, the default is 75mA, and the action time is less than 0.1 seconds
