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Protection & Monitoring Relays

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

Rishabh 252-PBB Transducer Trip Relay, High Trip

Trip relay for transducer outputs (0-1 to 4-20 mA or 1 - 50 V DC) that operates on a high signal; adjustable setpoint and delay, DPDT contacts.

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Minilec AUTO SWITCH 5 Auto Switch for Agricultural Pump Starters

Minilec AUTO SWITCH 5 auto switch for agricultural pump starters with 1 NO output, for 200 - 450 VAC, 50 Hz ± 3% supply. Typical uses: agricultural pump DOL starters, pump sets at farms, rivers, and wells, agricultural pump star delta starter.

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Selec 600SPP Phase Failure Relay 600SPP

Selec 600SPP phase failure relay: 154 to 520V AC supply, 17.5 X 90 mm, DIN rail mount.

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Multispan CPR-35 Current Protection Relay, Digital DIN Rail

Digital DIN-rail relay with programmable over- and under-current trips, one changeover relay and fail-safe or non-fail-safe mode. Single and three-phase versions; 35 mm wide.

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Proton OLR 3P (PSP) Current Protection Relay, Three Phase

Protection unit that trips a motor or load on a current fault (Proton OLR 3P (PSP)).

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Veritek VIPS-VFT-LD Voltage and Frequency Protection Relay with LCD

Voltage and frequency protection relay with LCD: under/over voltage and frequency, phase loss and asymmetry; two relays, DIN rail.

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EAPL PMD-01a Phase Monitoring Relay

EAPL relay that watches the incoming supply and trips the load through its relay output on a supply fault, protecting motors, pumps, generators and compressors.

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Rishabh 252-PBS DC Millivolt Low Trip Relay

DC millivolt relay that trips on a low signal, e.g. from a current shunt: low trip setpoint 0 - 80%, 2% hysteresis, delay up to 10 s; DPDT contacts.

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Minilec AUTO SWITCH 7 Auto Switch for Agricultural Pump Starters

Minilec AUTO SWITCH 7 auto switch for agricultural pump starters with 1 NO + 1 NO output, for 380/415 VAC, + 20% supply. Typical uses: agricultural pump DOL starters, pump sets at farms, rivers, and wells, agricultural pump star delta starter.

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Selec 600VPR-1-130/320V-CE Voltage Protection Relay 600VPR-1-130/320V-CE

Selec 600VPR-1-130/320V-CE voltage protection relay: measures Monitors under voltage and Over voltage, output 1 C/O SPDT relay, 130 to 320V AC (L-N) supply, 17.5mm, DIN rail mount.

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Multispan DGMR-132 DG Monitoring Relay

Panel relay that watches mains and DG supplies, with over / under voltage, asymmetry, phase loss and phase sequence protection and auto reset. 96 x 96 mm.

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Proton PCR-3P-PR16 Phase Correction Relay, Three Phase

Relay that checks phase sequence and switches the load on a reverse phase (Proton PCR-3P-PR16). Runs on 415 V AC 3-phase, DIN rail mounting.

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Veritek VIPS 33PSR Phase Sequence and Failure Relay

Slim DIN-rail three-phase relay for under/over voltage, phase failure, imbalance and phase reversal, 415 V nominal, auto reset.

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EAPL PMD-03 Single Phase Preventer

EAPL relay that watches the incoming supply and trips the load through its relay output on a supply fault, protecting motors, pumps, generators and compressors, in a slim DIN-rail housing.

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Rishabh 252-PBT DC Millivolt High Trip Relay

DC millivolt relay that trips on a high signal, e.g. from a current shunt: high trip setpoint 40 - 120%, 2% hysteresis, delay up to 10 s; DPDT contacts.

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Minilec AUTO SWITCH 9 Auto Switch for Agricultural Pump Starters

Minilec AUTO SWITCH 9 auto switch for agricultural pump starters with 1 NO output, for 200 - 450 VAC, 50 Hz ± 3% supply.

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Selec 600VPR-1-170/290-CU Voltage Protection Relay 600VPR-1-170/290-CU

Selec 600VPR-1-170/290-CU voltage protection relay: output 1 C/O ( SPDT ), 170 to 290 V AC (L-L) supply, 17.5mm, DIN rail mount.

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Multispan DMR-162 Demand Controller

Class 0.5 maximum demand controller and multifunction meter for single and three-phase systems, with THD up to the 32nd order, pulse output and RS-485 Modbus, to keep load within the contract demand.

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Proton PR-07PC Phase Selector Relay

Relay that selects a healthy phase for the load (Proton PR-07PC). Runs on 415 V AC 3-phase, relay output rated 5 A at 250 V, DIN rail mounting.

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Veritek VIPS 83M Multifunction Meter with Protection Relay

Three-phase meter and protection relay, 4-line LED: volts, amps, frequency, run hours and earth fault current, with relay output.

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EAPL SPPT Single Phase Preventer, Autoswitch

EAPL single phasing preventer with autoswitch for motor starters: colour-coded leads wire straight into a DOL starter, and the motor restarts after a set delay once supply is healthy.

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Rishabh 252-PDE DC Under Voltage Relay, Adjustable Differential

DC under voltage relay with externally adjustable differential (1 - 15%) and optional factory-preset time delay up to 30 s, for battery supplies and chargers.

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Minilec D1 VCR1 Voltage Monitoring Relay

Minilec D1 VCR1 voltage monitoring relay with 2 CO output. Typical uses: battery charger & float charger panels, UPS for office computers, telecom power supply units.

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Selec 600VPR-310/520-CE Voltage Protection Relay 600VPR-310/520-CE

Selec 600VPR-310/520-CE voltage protection relay: output 1 C/O ( SPDT ), 154 To 500V AC (L - L) supply, 17.5mm, DIN rail mount.

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