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Protection & Monitoring Relays

Relays that protect and monitor electrical systems: voltage, current, phase, earth leakage and power factor control.

Minilec S1 VSP1 Phase Failure Relay

Minilec S1 VSP1 phase failure relay with 1 CO output, for 415 VAC ± 20%, 50 Hz / 60 Hz ± 3% supply. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec CBCT Core Balance Current Transformer CBCT

Selec CBCT core balance current transformer: 30 mA - 30A primary.

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Multispan PSR-17 Phase Sequence Relay

Compact relay protecting 3-phase 3-wire loads against wrong phase sequence, phase loss and asymmetry, powered from the 154-500 V AC line, with one 5 A changeover relay.

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Rishabh 252-PVK 3 Phase 3 Wire Under Voltage Relay, Adjustable Differential

3 Phase 3 Wire AC under voltage relay with adjustable differential (1 - 15%), setpoint 75 - 100% of nominal; factory-set time delay up to 30 s.

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Minilec S2 CMR3 Earth Fault / Earth Leakage Relay

Minilec S2 CMR3 earth fault / earth leakage relay with 2 CO output. Typical uses: generator panels, AMF panels, MCC panels, synchronizing control panels.

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Selec EFCT Earth Fault Current Transformer EFCT

Selec EFCT earth fault current transformer: 160A, 250A, 630A primary, panel mount.

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Multispan V22-RYB Phase Sequence Relay, DIN Rail, Self Powered

Self-powered DIN-rail relay for 3-phase 3-wire supplies that trips on wrong phase sequence, phase loss and asymmetry, with R-Y-B LEDs showing the fault and one changeover relay.

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Rishabh 252-PVO Single Phase Over Voltage Relay, Adjustable Differential

Single Phase AC over voltage relay with adjustable differential (1 - 15%), setpoint 100 - 125% of nominal; factory-set time delay up to 30 s.

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Minilec S2 CMR5 Current Monitoring Relay

Minilec S2 CMR5 current monitoring relay. Typical uses: generator panels / AMF panels, fan belt failure monitoring, dry run of pumps.

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Selec EFR-341-2 Digital Earth Fault Relay EFR-341-2

Selec EFR-341-2 digital earth fault relay: measures Monitoring Earth fault current, output 2 x 2 C/O, 90 to 270V AC/DC supply, panel mount.

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Multispan VMR-132 Voltage Monitoring Relay, Panel Mount

Panel-mount 3-phase voltage relay with 4-digit display, programmable over / under voltage, asymmetry, phase loss, sequence and neutral loss trips, each enabled separately, and two relays.

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Rishabh 252-PVP 3 Phase 4 Wire Over Voltage Relay, Adjustable Differential

3 Phase 4 Wire AC over voltage relay with adjustable differential (1 - 15%), setpoint 100 - 125% of nominal; factory-set time delay up to 30 s.

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Minilec S2 DCMR Phase Failure Relay

Minilec S2 DCMR phase failure relay with (1 CO + 1 CO) / 2 CO output. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec ELCTR35-1-30mA Earth Leakage Relay with Built-in CBCT ELCTR35-1-30mA

Selec ELCTR35-1-30mA earth leakage relay with built-in CBCT: measures Monitors True RMS Earth Leakage Current, output 1 C/O (SPDT ), 230V AC (±15%) supply, 74mm, DIN rail mount.

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Multispan VPR-17U Voltage Protection Relay, 4 Knob

Self-powered 17.5 mm DIN-rail voltage relay for 3-phase 3-wire supplies (180-528 V AC), with separate knobs for under / over voltage, trip delay and rated voltage, and one changeover relay.

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Rishabh 252-PVR Phase Sequence & Phase Failure Relay

3-phase relay that checks correct phase sequence (L1, L2, L3) and phase failure, and trips if the supply drops below 85% of nominal; for motors, pumps and compressors.

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Minilec S2 DELR Phase Failure Relay

Minilec S2 DELR phase failure relay with (1 CO + 1 CO) / 2 CO output. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec ELCTR35-1-300mA Earth Leakage Relay with Built-in CBCT ELCTR35-1-300mA

Selec ELCTR35-1-300mA earth leakage relay with built-in CBCT: measures Monitors True RMS Earth Leakage Current, output 1 C/O (SPDT ), 230V AC (±15%) supply, 74mm, DIN rail mount.

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Multispan VPR-22U Voltage Protection Relay, Analog DIN Rail, 22.5 mm

Self-powered 22.5 mm DIN-rail voltage relay for 3-phase 3-wire supplies (280-520 V AC), with under- and over-voltage set by knob, trip delay by DIP switch, and phase loss, sequence and asymmetry trips.

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Rishabh 252-PVS 3 Phase 4 Wire Over Voltage Relay, Adjustable Time Delay

3 phase 4 wire AC over voltage relay with user-adjustable time delay up to 10 s and 100 - 125% setpoint, for 57 - 480 V systems; DPDT contacts, auto reset.

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Minilec S2 DMPR Phase Failure Relay

Minilec S2 DMPR phase failure relay with 2 CO output. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec ELR341 Digital Earth Leakage Relay ELR341

Selec ELR341 digital earth leakage relay: time ranges 0 to 999 sec, output 1 C / O (SPDT ), 90 - 270V AC/DC supply, 96X96mm, panel mount.

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Multispan VPR-33 Voltage Protection Relay, Digital DIN Rail

Digital DIN-rail 3-phase voltage relay with 3+3 display, programmable over / under voltage, asymmetry, phase loss, sequence and neutral loss trips, each enabled separately; 2-relay option.

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Rishabh 252-PVU Single Phase Under Voltage Relay, Adjustable Differential

Single Phase AC under voltage relay with adjustable differential (1 - 15%), setpoint 75 - 100% of nominal; factory-set time delay up to 30 s.

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