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)

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

强制配件 ISOMETER® isoCHA425

Description	Art. No.
Mounting clip for screw mounting (1 piece per device)	B98060008

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

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