Rayleigh Instruments - Earth Leakage Relays
DIN Rail and Panel mounted Earth Leakage Relays and Core Balanced current transformers for protection from residual current in a single-phase or three-phase circuit.
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Rayleigh Instruments RI-ELR80 Earth Leakage Relay with LCD Display
- Two module DIN rail mounted
- True RMS Earth leakage monitoring
- Type A leakage detection
- Digital indication of leakage current
- Separate test and reset function
- Single or three-phase network compatible
- Transformer error detection
- Two SPDT 5A relay outputs
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Rayleigh Instruments RI-ELR20 Earth Leakage Relays with Fixed Trip Levels
- 2 Module width DIN rail mounted
- True RMS Earth Leakage monitoring
- Type A leakage detection
- LED bargraph indication of leakage current
- Fixed trip presets (30mA, 100mA or 300mA)
- Test and reset function
- Single-phase (2 wire) or 3 phase (3 or 4 wire)
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Rayleigh Instruments RI-ELR00 Earth Leakage Relay with Integral Transformer
- Single or three-phase network compatible
- DIN Rail or Surface mount
- Integral 35mm transformer
- Monitor and detect true RMS earth leakage currents
- Nuisance tripping protected
- Microprocessor controlled
- 30mA, 100mA or 300mA Versions
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RI-CBCT Series Toroid Circular Core Balanced Current Transformers
- Compact design
- 5 aperture sizes from 35 to 310mm
- Single and Three Phase compatible
- Integral fixing feet
- For residual leakage current detection
- High sensitivity and accuracy
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Rayleigh Instruments RI-ELR60 Earth Leakage Relay with Adjustable Trip Level
- 2 Module width DIN rail mounted
- True RMS Earth Leakage monitoring
- Type A leakage detection
- Single phase or 3 phase
- Selectable trip time delay
- Selectable trip level