Protection Relays

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-LÂ- and P3-LTN SeriesÂ- feature screw connections and one changeover contactÂ- and serve 3-phase power systems in industrial applications. Basic phase controlÂ- – phase sequence, phase position, and phase failure –Â- for voltages from 200–500 Vac is provided by flare CONTROL P3-L, whileÂ- flare CONTROL P3-LTN...

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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, RelionÂ-® REF601, REJ601, and REM601 are designed for Feeder, Overcurrent, and Motor protection, respectively. UL-Listed units can be configured without programming toolÂ- and offer high end options, such as breaker control, auto-reclosing, communications, and Rogowski current sensors. Small size, press-mount,...

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Protection Relays

TI Demonstrates Leadership in Grid Infrastructure at DistribuTECH 2015

Experience the broadest portfolio of silicon solutions enabling a smarter grid SAN DIEGO,Â- – Texas Instruments (TI) (NASDAQ: TXN), a global provider of secure, economical and future-proof smart grid semiconductor systems, is demonstrating a full spectrum of end-to-end solutions for grid infrastructure at DistribuTECH 2015. From grid monitoring to protection to communications, TI provides...

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Protection Relays

Feeder Protection Relay supports IEC 61850 standard.

Featuring 3UÂ- 19 in. rack mount design, RelionÂ-® REF615R Feeder IED upgrades DPU2000R relay and provides protection, control, measurement, and supervision of utility substations and industrial power systems. Unit supports IEC 61850 standard as well as DNP3.0 and ModbusÂ-® protocols. It offers non-directional and directional phase and ground overcurrent, voltage and frequency...

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Protection Relays

ABB Provides Public Power Utilities with a Broad Range of New Smart Grid Solutions

ABB helps rural electric co-ops, municipalities and utilities maintain affordable, reliable electric service through smart grid solutions to power, protect and grow communities. New Orleans, Louisiana – ABB, the leading power and automation technology group, today announced plans to help empower Public Power and rural electric utilities with future-proofing their systems for a reliable,...

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Motor Management Relay includes arc-flash light sensor.
Protection Relays

Motor Management Relay includes arc-flash light sensor.

Using standard motor thermal management, overcurrent protection, and integrated arc-flash detection, Model SEL-849 protects equipment and personnel in low- and medium-voltage motor control centers. Unit features 4 contact outputs,Â- 6 opto-isolated control inputs, EIA-232/EIA-485 port, and Ethernet 10/100 BASE-T port. With 2.8 x 5 x 6 in. form factor andÂ- current input of 0.5–128 A,...

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Protection Relays

Distribution Relays fit 1, 1 -½, and 2 breaker schemes.

Intended for utility distribution and industrial applications, RelionÂ-® REF620, REM620, and RET620 protect and control feeders, motors, and transformers, respectively. RelaysÂ- feature one programming tool with 3 standard open protocols, as well as customizable screens, cable fault detection, user-programmable pushbuttons, and digital I/O. For safety, devices offer delayed close breaker...

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Safety Speed Relay Modules monitor single- and 3-phase motors.
Protection Relays

Safety Speed Relay Modules monitor single- and 3-phase motors.

Designed to monitor 2 sensor inputs that are detecting rotating targets on motor shaft, Model BH5932 has adjustable range of 10-20,000 impulses/min and can be used for standstill and overspeed monitoring of 3-phase motors. Model LH5946, available in adjustable 20-400 mV and 0.2-4 V voltage response ranges, provides standstill detection on single- and 3-phase motors up to 690 V by monitoring...

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Earth-Leakage Relay protects VFDs from 0-15,000 Hz.
Protection Relays

Earth-Leakage Relay protects VFDs from 0-15,000 Hz.

Able to detect ground current, even in resistance-grounded electrical systems, EL731 AC/DC Sensitive Earth-Leakage Relay is equally useful for AC, mixed AC/DC, and DC systems, including low-voltage 6-pulse variable frequency drives used on motors up to 250 hp. Model EL731 can be installed in place of existing ground fault relay without replacing current transformer. Unit can protect variety of...

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