Adjustable protection relays

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generator protection relay
generator protection relay
PGR-4300 series

Tripping current: 100 A - 1,000 A

... The PGR-4300 series relay operates on solidly-grounded ac systems. This generator ground-fault relay provides a simple method for detecting a ground-fault condition on generators without the need for current transformers ...

distance protection relay
distance protection relay
SIPROTEC 7SA82

... independent measuring loops (6-system distance protection) •Several distance- protection functions can be selected: Classic, reactance method (RMD), impedance protection for transformers •Directional ...

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SIEMENS Energy automation and smart grid
over-voltage protection relay
over-voltage protection relay
SEL-751

... Feeder Protection Relay The SEL-751 Feeder Protection Relay is ideal for directional overcurrent, fault location, arc-flash detection, and high-impedance fault detection applications. ...

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Schweitzer Engineering Laboratories
earth-leakage protection relay
earth-leakage protection relay
RG1M series

... WG series electronic differential protection relay for connection to external WG / WGS / WGC series toroidal transformers These are highly reliable electronic relays with the option of a fixed or adjustable ...

earth-leakage protection relay
earth-leakage protection relay
RGE series

... Electronic earth leakage protection relay, used to connect to the earth leakage transformers WG / WGC Series These electronic relays offer a high reliability, with the option of a fixed or adjustable ...

earth-leakage protection relay
earth-leakage protection relay
DM30

Trigger voltage: 120, 230 V

... is composed of multirange electric modular relays. It is specifically designed for direct pulse currents. Its delay time and sensitivity can be adjusted, with near-immunity to external interruptions. The relay is built ...

earth-leakage protection relay
earth-leakage protection relay
ELR-3C

Trigger voltage: 24 V - 400 V

... earth leakage protection reclosing relay that is equipped with EN-50022-35 DIN rail mounting and front cover. This provides a reclosure of an AC and DC electronic breaker and spontaneously reset itself. The reclosing ...

earth-leakage protection relay
earth-leakage protection relay
DR30

Trigger voltage: 120, 230, 24 V

... an electronic relay that comes with an automatic reclosing of 3 attempts. The device has a delay time and sensitivity that can be adjustable. It is already resistant to outer disturbances, and has a high level of immunity. ...

arc flash protection relay
arc flash protection relay
AFR-4

Trigger voltage: 85 V - 265 V

... detection relay is a versatile and independently operating device for bay based protection. It supports 4-channels arc signal detection and can configuration multiple arc tripping modes, ensuring accurate and fast fault ...

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Chongqing Blue Jay Technology Co. Ltd
earth-leakage protection relay
earth-leakage protection relay
PR 260

... The PR 260 electric motor protection relay, known as the motor management relay, is designed for motor protection and control, which integrates protection, control, and ...

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Chongqing Blue Jay Technology Co. Ltd
under-voltage protection relay
under-voltage protection relay
PR 240

Tripping current: 5 A
Trigger voltage: 250 V

... intelligent motor protection relay provides comprehensive protective, monitoring, and control functions for low-voltage motor protection. Feature of PR240 intelligent motor management relay • ...

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Chongqing Blue Jay Technology Co. Ltd
earth-leakage protection relay
earth-leakage protection relay
ELR-1E series

Trigger voltage: 12 V - 415 V

... 1 operation threshold. Adjustable tripping and delay time. Earth leakage relay with 1 operation threshold, flush mount. External CT. Introduction Range ELR Product name ELR-1E Product type Residual current protection ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-3A

Trigger voltage: 24 V - 230 V

... threshold. Adjustable tripping and delay time. Residual current protection relay with external CT. 2 operation threshold. Adjustable tripping and delay time. Introduction Range ELR Product ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-3C series

Trigger voltage: 12 V - 415 V

... threshold. Adjustable tripping and delay time. Earth leakage relay with 1 operation threshold, modular, 35mm DIN (iec/en 60715) rail mounting. External CT. Introduction Range ELR Product name ELR-3C Product type ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
DER4B/2D

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... Din modules Dossena presents the DER4B range, the new generation of type B differential toroid relays. DER4B is recommended for electrical protection in the tertiary sector, where devices that generate alternating, ...

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DOSSENA
earth-leakage protection relay
earth-leakage protection relay
DER4B/2I

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... Recessed 96x96mm Dossena presents the DER3B range, the new generation of type B differential toroid relays. DER3B is recommended for electrical protection in the tertiary sector, where devices that generate alternating, ...

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DOSSENA
earth-leakage protection relay
earth-leakage protection relay
DER4/0D

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... The residual current relays of the DER4 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection thanks ...

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DOSSENA
under-voltage protection relay
under-voltage protection relay
FPC 400

Tripping current: 5,000, 1 mA

... FPC 400 is a family of current or voltage digital protection relays with easy to use interface meant for variety of solutions in industry and power distribution. Its robust design enables it to be placed in demanding ...

over-current protection relay
over-current protection relay
PAP series

Trigger voltage: 24, 240 V

... level Imin, the protector will trip and the red LED will illuminate indicating the fault condition. During the time delay period the red LED will flash for the set time (t) before the relay de-energises output relay ...

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Crompton Instruments
current protection relay
current protection relay
RM2I

... Current relay 2 Module Min or max alarm, selectable on field Input 5A or 1A Adjustable set point, hysteresis and delay Field selectable negative or positive security (fail safe) Intervention inhibition ...

grid and system protection relay
grid and system protection relay
NA003-M64

Trigger voltage: 24, 110 V

... Grid protection monitoring relay RE series; Frequency and voltage monitoring; Grid and system protection; Functionally Safe; Measuring voltage 3 x 400/230V AC; Supply voltage 24V DC, 110-240V AC; 3 CO ...

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TELE Haase Steuergeraete GmbH
overload relay
overload relay
Ex9RD11.5A0.16

Tripping current: 11.5 A

... Features • Rated current up to 630 A at 600 Vac, 50/60 Hz • Overload protection trip Class 10 A • Phase loss sensitivity • Adjustable current setting for overload protection • Automatic or manual ...

voltage protection relay
voltage protection relay
EPPC02

Tripping current: 10 A
Trigger voltage: 250 V

... Single and three phase protection Phase failure (loss phase) protection Phase sequence protection Adjustable voltage protection Over voltage and/or low voltage protection Contact ...

over-current protection relay
over-current protection relay
NA011

... , the residual overcurrent protection can use the measured (CTs or balanced transformer) or the calculated residual current. STANDARD PROTECTIVE & CONTROL ELEMENTS • Phase overcurrent ...

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THYTRONIC
phase protection relay
phase protection relay
FMFK series

phase loss protection relay
phase loss protection relay
FK-05F

Trigger voltage: 150 V - 460 V

... Adjutable Phase Failure Relay The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. Asymmetry : 5% - 25% ( Adjustable) Error ...

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Tense Electronic
over-voltage protection relay
over-voltage protection relay
VPR-A

Tripping current: 0 A - 0 A
Trigger voltage: 0 kV

... The Voltage Protection Relay (VPR-A) has been designed to measure the line or phase RMS voltages under normal conditions or under disturbances. This information is internally processed by the microprocessor, to take the ...

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Orion Italia
distance protection relay
distance protection relay
PCS-902

... Five zone phase-to-phase distance protection (21P) • One zone phase-to-phase distance protection for pilot scheme (85) • Five zone phase-to-ground distance protection (21G) • One zone phase-to-ground ...

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NR Electric
over-voltage protection relay
over-voltage protection relay
SM 500

... The SM 500 model engineered by General Industrial Controls, is an under voltage and overvoltage protection relay that functions as a protection against phase loss and phase reversal. This device is capable ...

over-voltage protection relay
over-voltage protection relay
KCFV54x series

Trigger voltage: 100 V - 480 V

... KCFV54x Series KCFV54x - THREE PHASE - 4-WIRE FREQUENCY AND VOLTAGE GUARD Under and Over Voltage and Frequency Protection Adjustable Voltage and Frequency Deviation Set points "Pathfinder" function ...

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Meagacon AS
current protection relay
current protection relay
MDR-2 series

Tripping current: 5 A
Trigger voltage: 250 V

... differential protection and short-circuit protection relay for generator protection against internal short circuits (leaking currents). The MDR-2 is a state-of-the-art combined differential ...

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DEIF
three-phase protection relay
three-phase protection relay
LXPRC/S

Trigger voltage: 110, 208, 380, 400, 415 V

... incorrect phase sequence and phase loss - Adjustable Trip levels and Time delay - SPDT Relay output - 17.5mm wide, DIN Rail mount - UL Listed The product monitors it’s own three-phase supply and for the output ...

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Broyce Control
phase loss protection relay
phase loss protection relay
TPM5

Tripping current: 5 A

... Protection relay against overload, underload, and phase loss. With display. Codes and references - 10002217 TPM5-230 - 10002218 TPM5-400 - 10002451 TPM5/5-230 - 10002452 TPM5/5-400 Specifications - Power ...

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Toscano Linea Electronica
earth-leakage protection relay
earth-leakage protection relay
X48DSA

Tripping current: 0.03 A - 30 A

... earth leakage relays with separate toroid provides maximum safety and reliable protection in compliance with EN 60947-2 Annex M. Tripping current IΔn adjustable from 30mA to 30A. Settings ...

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FRER
earth-leakage protection relay
earth-leakage protection relay
X52DSA

Tripping current: 0.03 A - 30 A

... TRIP relay and alarm relay. Colored LED bar for IΔn % indication. Connection by means of external closed-core or split-core toroids of the TDC-TDA series. - Maximum safety and reliable protection - ...

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FRER
earth-leakage protection relay
earth-leakage protection relay
X72DSA

Tripping current: 0.03 A - 30 A

... TRIP relay and alarm relay. Colored LED bar for IΔn % indication. Connection by means of external closed-core or split-core toroids of the TDC-TDA series. - Maximum safety and reliable protection - ...

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FRER
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