FEATURES
- High voltage grounding switch
- Widely power supply range
- Widely insulation monitoring range (10V~100VDC)
- Adaptive capacitance to ground
- Convenient parameter setting
- Remote monitoring and management
- Monitor positive and negative poles
- Ground insulation resistance
APPLICATIONS
- Insulation resistance monitoring
- DC voltage monitoring
- Guarantee the safety and stability of charging
- Improvement of the efficiency and charging quality
- Personnel and equipment security
TECHNICAL PARAMETERS
Basic parameters
Parameter | Value | ||
Power supply | 10-30VDC, Power 3W | ||
DC voltage range | 10V~100V | ||
DC voltage
measurement accuracy |
≤2V+0.3% | ||
Insulation resistance
measurement range |
1KΩ~1MΩ
(DC System voltage:10V~100V) |
||
Insulation monitoring accuracy
(DC voltage:10V-100V) |
DC voltage range | Resistance range | Accuracy |
10V-30V | <500KΩ | ≤3KΩ+10% | |
>500KΩ | ≤20% | ||
30V-100V
(CY②>0.3μF,insulation resistance>1MΩ or CY② >1μF) |
>10% | ||
Off-line pressure test | <2mA | ||
Maximum relay switching voltage | 400VAC/600VDC | ||
Maximum relay switching current | 4A | ||
Relay contact resistance | <100mΩ | ||
Relay insulation resistance | 1000mΩ | ||
Humidity | 85% | ||
Storage temperature | – 40°C ~90°C | ||
Operating temperature | – 40°C ~75°C |
Other parameters
Pressure point | Maximum voltage rating | Time |
DC+/DC- To GND | 3500VDC/2500VAC | ≤1min |
Power supply +/- To GND | 3500VDC/2500VAC | ≤1min |
RS485 A/B To GND | 3500VDC/2500VAC | ≤1min |
DC+/DC- To Power supply +/- | 3500VDC/2000VAC | ≤1min |
DC+/DC- To A/B | 3500VDC/2000VAC | ≤1min |