Residential Current Protection Relay
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Description
Relay application | Residual current protection relay |
Range of product | Vigirex |
Device short name | RHU |
Signal contacts composition | 1 NO |
Earthing system | IT TN-S TT |
[Ue] rated operational voltage | <= 1000 V AC 400 Hz <= 1000 V AC 50/60 Hz |
Fault current detection threshold | 80...100 of IDn |
Earth-leakage protection class | Class AC Class A si |
Residual earth-leakage sensitity adjustment type | Adjustable |
[IΔn] residual earth-leakage sensitive adjustment | 0.03...30 A |
Residual earth-leakage time delay adjustment type | Adjustable if sensitivity is 0.03...30 A Instantaneous if sensitivity is 0.03 A |
[Δt] residual earth-leakage time delay adjustment | 0...4.5 s |
Alarm threshold | 0.015...30 A |
Measurement range [% IDn] | 10...200 % |
Test function | Local Remote test Remote test (via communication) |
Refresh time | Display: 2 s |
Monitoring | Electronics (continuous) Power supply (continuous) Relay/sensor link (continuous) |
[Uimp] rated impulse withstand voltage | 8 kV |
Type of setting | Internal bus Keypad |
Minimum load | 10 mA at 12 V |
Signalling output current | 8 A |
[Us] rated supply voltage | 220...240 V AC 400 Hz 220...240 V AC 50/60 Hz |
Overvoltage category | IV |
Power consumption | 4 VA |
Mounting support | Panel |
Communication service | Supervision via internal bus |
Tamperproof of settings | Protected by sealable cover |
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Residential Current Protection Relay