Protection & Monitoring Relays

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

Multispan MPD-1R Protection Relay, Voltage and Current (MPD-1R)

True RMS protection relay with direct voltage input 20-500 V AC and CT input (primary 5 to 9999 A), user-selectable trip time, auto / manual / ZVR reset and one relay. 96 x 96 mm.

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Proton VMRDG 3P Door Voltage Monitoring Relay for Mains / DG, Three Phase, Door Mounting

Relay that watches supply voltage and trips the load on a fault (Proton VMRDG 3P Door). Runs on 415 V AC 3-phase, relay output rated 5 A at 250 V, door mounting.

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Veritek VIPS 102 Under Voltage Relay with Delayed Restart

Slim DIN-rail under voltage relay with delayed restart (5 – 15 min), for 1- or 3-phase systems.

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Rishabh 252-PTO Thermocouple High Trip Relay

Thermocouple relay that trips above a temperature setpoint, with upscale burn-out protection; high trip 40 - 120%, delay up to 10 s; DPDT contacts.

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Minilec P1 PFS1 Phase Failure Relay

Minilec P1 PFS1 phase failure relay with 1 CO output, for 110/220/380/415 VAC± 10%, 50/60 Hz supply. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec 900ELR Digital Earth Leakage Relay 900ELR

Selec 900ELR digital earth leakage relay: measures Leakage Current Monitoring in 3Ø & 1Ø Systems, output 2 X 1 C / O (SPDT), 230V AC & 110V AC supply, 35mm, DIN rail mount.

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Multispan MPD-152 Multifunction 3 Phase Protection Relay, DIN Rail

DIN-rail three-phase protection relay and VAF monitor with 3-line display of phase voltages, currents and frequency, programmable trip parameters and one relay with two changeover contacts.

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Rishabh 252-PTU Thermocouple Low Trip Relay

Thermocouple relay that trips below a temperature setpoint, with upscale burn-out protection; low trip 0 - 80%, delay up to 10 s; DPDT contacts.

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Minilec P1 PFS2 Phase Failure Relay

Minilec P1 PFS2 phase failure relay with 1 CO output, for 110/240/380/415 V AC ± 10%, 50/ 60 Hz supply. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec 900VPR-2-280/520V Digital Voltage Protection Relay 900VPR-2-280/520V

Selec 900VPR-2-280/520V digital voltage protection relay: output 2 x 1C/O (SPDT), 280 to 520V AC (L-L), 160 to 300V AC (L-N) supply, 35mm, DIN rail mount.

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Multispan MPD-192 Multifunction 3 Phase Protection Relay, Panel Mount

Panel-mount three-phase protection relay and VAF monitor with 3-line display, programmable voltage, current, frequency, unbalance and locked-rotor trips, two relays and optional RS-485 Modbus.

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

3 Phase 3 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 RPF D2 Power Monitoring Relay

Minilec RPF D2 power monitoring relay with 2 CO output, for 100-120 / 220-240 / 380-440 V AC ± 20% supply. Typical uses: generator panels, AMF panels, MCC panels, synchronizing control panels.

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Selec 900VPR-2-280/600V-CE Digital Voltage Protection Relay 900VPR-2-280/600V-CE

Selec 900VPR-2-280/600V-CE digital voltage protection relay: output 2 x 1C/O (SPDT), 280 to 520V AC (L-L), 160 to 300V AC (L-N) supply, 35mm, DIN rail mount.

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Multispan MPD-194 Motor Protection Device (MPD-194)

Panel-mount motor protection relay that is also a multifunction meter, with a 4-line display, programmable trip parameters, two relays, fail-safe option and RS-485 Modbus on request.

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

3 phase 3 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 RPT D2 Power Monitoring Relay

Minilec RPT D2 power monitoring relay with 2 CO output, for 100-120 / 220-240 / 380-440 V AC ± 20% supply. Typical uses: generator panels, AMF panels, MCC panels, synchronizing control panels.

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Selec 900VPR-2-300/600V Digital Voltage Protection Relay 900VPR-2-300/600V

Selec 900VPR-2-300/600V digital voltage protection relay: output 2 C/O (SPDT), 280-600V AC(L-L), 160-300V AC(L-N) supply, 35 mm, DIN rail mount.

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Multispan MPD-198A Motor Protection Device (MPD-198A)

Panel-mount motor protection relay and multifunction meter for 3-phase 4-wire, 3-wire or single-phase systems, with a 4-line display, programmable trips, two relays and RS-485 Modbus on request.

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Rishabh 252-PVH Single Phase Over Voltage Relay, Adjustable Time Delay

Single phase 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 S1 VMR7 Phase Failure Relay

Minilec S1 VMR7 phase failure relay with 1 CO output. Typical uses: hoist motor control, 3 ph. split AC machines, agricultural pump starters.

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Selec 900VPR-BL-U Digital Voltage Protection Relay 900VPR-BL-U

Selec 900VPR-BL-U digital voltage protection relay: output 2 x 1 C/O (SPDT), 50 to 288V AC (L-N), 85 to 500V AC (L-L) supply, 35mm, DIN rail mount.

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Multispan OLR-50100 Three Phase Overload Relay with Built-in CT, DIN Rail

DIN-rail three-phase overload relay with built-in CTs that the motor cables pass through, ranges from 0.1-5 A up to 50-100 A, adjustable trip and power-on delay, one changeover relay and front test / reset.

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Rishabh 252-PVJ 3 Phase 3 Wire Under Voltage Relay, Adjustable Time Delay

3 phase 3 wire AC under voltage relay with user-adjustable time delay up to 10 s and 75 - 100% setpoint, for 57 - 480 V systems; DPDT contacts, auto reset.

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