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- Ground Fault Monitoring, Ungrounded

ISOMETER® isoCHA425
- Monitoring the insulation resistance for DC charging stations according to Japanese charging standard CHAdeMO
- Detection of asymmetrical insulation faults in the DC system voltage range between 50 V und 500 V within 1 s
- Detection of symmetrical insulation faults within 10 s
- Measurement of the system voltage (true RMS) with undervoltage and overvoltage detection
- Measurement of DC system voltages to earth (L+/PE and L-/PE)
- Features
- Applications
- Accessories
- Ordering information
- Downloads
- Monitoring the insulation resistance for DC charging stations according to Japanese charging standard CHAdeMO
- Detection of asymmetrical insulation faults in the DC system voltage range between 50 V und 500 V within 1 s
- Detection of symmetrical insulation faults within 10 s
- Measurement of the system voltage (true RMS) with undervoltage and overvoltage detection
- Measurement of DC system voltages to earth (L+/PE and L-/PE)
- Automatic adaptation to the system leakage capacitance up to 2 μF
- Selectable start-up delay, response delay and delay on release
- Two separately adjustable response value ranges of 5…250 kΩ (Alarm 1, Alarm 2)
- Alarm signalling via LEDs (AL1, AL2), a display and alarm relays (K1, K2)
- Automatic device self test with connection monitoring
- Selectable N/C or N/O relay operation
- Measured value indication via multifunctional LCD
- Fault memory can be activated
- RS-485 (galvanically isolated) including the following protocols:
– BMS interface (Bender measuring device interface) for data exchange with other Bender components
– Modbus RTU
– IsoData (for continuous data output) - Password protection to prevent unauthorised parameter changes
- DC charging stations for electric vehicles according the Japanese charging standard CHAdeMO
Mandatory accessories for ISOMETER® isoCHA425
Description | Art. No. |
---|---|
Mounting clip for screw mounting (1 piece per device) | B98060008 |
Variants of ISOMETER® isoCHA425
Type | Supply voltage Us | System leakage capacitance Ce | Art. No. |
---|---|---|---|
isoCHA425-D4-4 | AC 100…240 V, 47…63 Hz / DC 24…240 V | ≤ 2 μF | B71036395 |
Downloads for ISOMETER® isoCHA425
Category | Product | Language | Size | Download |
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