Composition | Content |
Display Unit | Installation: Wall mounting type Earth fault indicator *Short circuit indicator (Optional) Low battery indicator Support outside Signal Input Support control Other Device Support remote Communication/Setting *Support 3 phase current/zero sequence current acquisition (Optional, When CT connect to display unit by Cable Only) |
Earth Fault Sensor | 1*Split-core current transformer, connecting to display unit by: Cable Fiber (Optional) |
Short Circuit Sensor (Optional) |
3*Split-core current transformer, connecting to display unit by: Cable Fiber (Optional) |
Item | Content |
Applicable Voltage Level | 6~35KV |
Applicable Current Level | 0 ≤ I ≤ 600A 0~100A (±3A accuracy) 100A~600A (±3% accuracy) |
Maximum Fault Current | 1200A (±10% accuracy) |
Earth fault trip current | Settable |
Response Delay | Settable |
Inrush Current Withstand | 31.5kA/ 2s |
Item | Content |
Internal Battery | Lithium type Voltage: 3.6V Battery sizing: ≥4.8Ah Shelf life≥20 years Total flashing time≥1,200 h |
External Power Source (Optional) | 110-240V AC, 50~60 Hz |
Item | Content |
Display Unit | IP65 |
CT Sensor | IP68 |
Item | Content |
Environment Temperature | -35°C to +70°C |
Relative Humidity | ≤95%RH |
Altitude | ≤2000m |
Item | Content |
Display unit | (W*H*D) 76mm x 117mm x 43mm (For reference only, The actual product may be differ) |
CT sensor | (Diameter) 120mm |
Cable length | 15 meters |
Item | Quantity | Content |
Earth fault indicator | 1 | Red LED |
Short Circuit indicator (Optional) | 3 | Red LED |
Battery Status | 1 | Yellow LED |
Item | Content | Quantity | Type |
Cable Connector 1 | Zero Sequence CT cable connector | 3 | Terminal Block Interface |
3 Phase CT cable connector | 1 | ||
Cable Connector 2 | External lamp | 1 | |
Cable Connector 3 | DI | 2 | |
DO | 2 | ||
RS232 | 1 | ||
Cable Connector 4 | Power supply | 1 | |
Optical Fiber Connector (Optional) |
Zero sequence CT fiber connector | 1 | 4 in 1 Fiber Interface |
3 Phase CT fiber connector | 3 |
Item | Quantity | Content |
Reset Button | 1 | Reset/Function test |
Dip Switch (4 bits) | 1 | Red LED |
Item | Content |
Fault Indicator | When at normal working status, the indicator light is off; if there's fault, the indicator light will turn red and last for at least 50ms, and the flashing period is 5sLow Battery Indicator |
Low Battery Indicator | When the battery power is less than 5%, the indicator light will be flashing yellow, or the light is off |
Reset | Manual by button at the display unit Remote by relay contact to SCADA Automatic time reset: 1/2/4/8h after fault, adjustable Voltage restoration (110~240V AC), within the range of 10 to 30 seconds of restoration of supply Optional: reset after recovering line current |
On site function test | By push button Function test: Press the button for 1 second Battery test: Press the button for 3 second |
Remote function test | By connecting the SCADA & SMS Function test: Checking status on SCADA in station & SMS in mobile phone Battery test: Checking status on SCADA in station& SMS in mobile phone |
Communication | Communicate with SCADA |