Protection Relays

Voltage Motor Thermistor Relay provides a reaction time of less than 500 ms.
Protection Relays

Voltage Motor Thermistor Relay provides a reaction time of less than 500 ms.

Used for protecting electric motors from overheating, DTA04  Voltage Motor Thermistor Relay features 22.5 mm wide DIN rail mount housing. Unit provides two normally open relay outputs NEMA B300 8A at 250 VAC. Operated from 24 to 240V AC/DC supply, unit comes with LED indicates alarm trigger and offers manual or auto reset option. Relays are compliant to UL 508, CSA C22.2 and EN 60255-6 standards.

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Three Phase Monitoring Relays feature built-in switch mode power supply.
Protection Relays

Three Phase Monitoring Relays feature built-in switch mode power supply.

Three Phase Monitoring Relays are offered in DPA52 and DPB52 models. Offering critical protection against phase loss and improper phase sequence, these relays comes with multi-color LED indicators and relay contact output. Operated in 45 to 65Hz frequency and 125VLL to 624VLL voltage, units come in 17.5mm wide DIN rail mounting and meet UL 508, CSA C22.2 and EN 60947-5-1 standards. DPB52 relay...

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SEL-751 Feeder Protection Relays offer easy monitoring and controlling option.
Protection Relays

SEL-751 Feeder Protection Relays offer easy monitoring and controlling option.

Designed for directional overcurrent, fault location, arc-flash detection and high- impedance fault detection applications, SEL-751 Feeder Protection Relay features 5 in., 800 x 480-pixel color touchscreen display. Supporting Spanish and English languages, unit’s touchscreen displays metered quantities, phasor diagrams, relay settings, event summaries and SER data. Relays provide protection...

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Phase Monitoring Relays work with 3-phase power systems.
Protection Relays

Phase Monitoring Relays work with 3-phase power systems.

Housed in 22.5 mm wide DIN rail modules, flare CONTROL P3-L and P3-LTN Series feature screw connections and one changeover contact and serve 3-phase power systems in industrial applications. Basic phase control – phase sequence, phase position, and phase failure – for voltages from 200–500 Vac is provided by flare CONTROL P3-L, while flare CONTROL P3-LTN module delivers such advanced...

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Ten Ways to Control Aluminum Costs
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High-Speed Relay leverages 87L-over-Ethernet feature.
Protection Relays

High-Speed Relay leverages 87L-over-Ethernet feature.

SEL-411L supports data exchange over Ethernet network to provide line current differential (87L) protection for transmission lines with up to 4 terminals. High-speed transmission line differential, distance, and current protection relay provides 1- and 3-pole tripping and reclosing with synchronism check, circuit breaker monitoring, breaker failure protection, and series-compensated line...

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Protection Relays

Single-Function Protection Relays target ANSI markets.

Offering digital protection for low- to mid-range distribution applications, Relion® REF601, REJ601, and REM601 are designed for Feeder, Overcurrent, and Motor protection, respectively. UL-Listed units can be configured without programming tool and offer high end options, such as breaker control, auto-reclosing, communications, and Rogowski current sensors. Small size, press-mount, and...

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Static Grounding Relay helps control ignition risk.
Protection Relays

Static Grounding Relay helps control ignition risk.

Featuring HAZLOC-approved, Intrinsically Safe-certified circuit, Earth-Rite® OMEGA II monitors resistance of circuits designed to ground equipment subject to electrostatic charging. Adjustable resistance monitoring settings of 2, 4, 10, and 600 Ω accommodate requirements of diverse applications. While 2-pole FM-approved static grounding clamps and Cen-Stat™ grounding cable connect relay to...

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Monitoring Relays help prevent premature motor failure.
Protection Relays

Monitoring Relays help prevent premature motor failure.

Capable of monitoring current ranges up to 480 Vac with ABC phase sequence, SLA Series offers protection from phase loss, under voltage, and phase reversal conditions that can contribute to premature equipment failure and downtime of critical motors and pumps. Three-phase units are available with SPDT or DPDR output and fixed, lock shaft, or screwdriver adjustment. For clear visual reference of...

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Pump Monitor Relay warns of over-temperature, seal leakage events.
Protection Relays

Pump Monitor Relay warns of over-temperature, seal leakage events.

As replacement for Xylem-Flygt Mini-Cas Relay, PMR2 Pump Monitor Relay provides motor over-temperature and seal leakage alarms for submersible pumps equipped with FLS or CLS sensors. If sensor current is in normal range, relay is energized to allow normal pump operation. Front contains LED indicators for power, seal leakage condition, and over-temperature condition as well as one selector switch...

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