Digital protection relays

43 companies | 285 products
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earth-leakage protection relay
earth-leakage protection relay
EL731 series

Trigger voltage: 120, 240, 24, 48 V

... EL731 is a microprocessor-based AC/DC Sensitive Earth-Leakage Relay that offers complete coverage for all frequencies from 0-6,000 Hz. Two CT’s are required for the entire frequency range, or one CT can ...

earth-leakage protection relay
earth-leakage protection relay
X48DB3

The X...DB3 series earth leakage relays Type B are designed to measure the DC, AC and high frequency leakage current. Thanks to their distinctive feature (the displaying of the leakage current) it is possible to continuously ...

earth-leakage protection relay
earth-leakage protection relay
X72DB3

The X...DB3 series earth leakage relays Type B are designed to measure the DC, AC and high frequency leakage current. Thanks to their distinctive feature (the displaying of the leakage current) it is possible to continuously ...

motor protection relay
motor protection relay
RX series

Tripping current: 1 A - 2,000 A
Trigger voltage: 0 V - 600 V

RX Motor Protection Relay Take your motor protection to a new level. The RX Series provides more than just solid state overload or power protection relays. ...

earth-leakage protection relay
earth-leakage protection relay
CBS4 series

Tripping current: 0.03 A - 30 A

Unit equivalent to 4 earth leakage protection networks. 4 independent programmable relays available Four inputs to connect the external toroidal transformers of the WG Superimmunized Type A relay ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
RGU-10 series

Tripping current: 0.03 A - 30 A
Trigger voltage: 230 V

Electronic earth leakage protection relay, used to connect to the earth leakage transformers WG / WGC Series Superimmunized Type A relay with high frequency current ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
WRU10 series

Trigger voltage: 110, 230 V

... differential protection settings. protection trigger current. protection status messages, etc. Units with three programmable output contact relays, one switched and ...

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CIRCUTOR
earth-leakage protection relay
earth-leakage protection relay
SIA B

Trigger voltage: 230, 24, 110 V

SIA-B SPECIFIC CT’s DUAL & SELF-POWERED OC&EF PROTECTION RELAYS The SIA-B Self-powered Protection Relay is a Secondary Distribution Protection prepared ...

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FANOX ELECTRONIC
switchgear protection relay
switchgear protection relay
SIL-A

Trigger voltage: 230, 48, 220, 24 V

SIL-A FEEDER PROTECTION RELAYS Distribution and Transformation Substations. RMUs and SF6 Insulated Switchgears The SIL-A is an advanced and efficient Feeder Protection ...

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FANOX ELECTRONIC
voltage protection relay
voltage protection relay
SIR-A

Tripping current: 1 A - 5 A
Trigger voltage: 24 V - 230 V

... the overcurrent protection function does not clear the fault until the adjusted time delay is finished. It is necessary, in those cases, to clear the fault quickly using the SOTF function. - The SIR-A ...

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FANOX ELECTRONIC
voltage protection relay
voltage protection relay
SICD-98XX series

Intelligent Switchgear Controller is a simplified MV/HV protection relay, product mainly design and development for 3 ~ 35KV indoor switchgear, it is suitable for switchgear cabinet, handcart cabinet, ...

earth-leakage protection relay
earth-leakage protection relay
DER3BDUAL/2I

Tripping current: 0.06 A - 7 A

DER3B DUAL – UNIVERSAL relay type B. Dossena presents the new DER3B DUAL series, the new generation of earth differential relays. The earth differential relays DER3B DUAL series ...

earth-leakage protection relay
earth-leakage protection relay
DER3BDUAL/6D

Tripping current: 0.06 A - 7 A

DER3B DUAL – UNIVERSAL relay type B. Dossena presents the new DER3B DUAL series, the new generation of earth differential relays. The earth differential relays DER3B DUAL series ...

earth-leakage protection relay
earth-leakage protection relay
DER3/1D

Tripping current: 0 A - 30 A

... 1DL is specifically used on LV networks in the TT and TN types of current. It offers a wide range of options in different protections due to the wide adjustment of current dispersion and threshold for a delayed 10-second ...

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

Trigger voltage: 24 V - 230 V

... Earth-leakage protection class Typo A Test function Local Remote test Output relays 2 changeovers (TRIP, ALARM) 5 A (240 VAC) Configurable normally de-energised or energised Display indications ...

current protection relay
current protection relay
ELR-8V

Tripping current: 0.03 A - 30 A

Earth leakage relay with 2 operation thresholds, flush mount. External CT. Fault current measurement. Digital display. Fail safe. Flag indicator. • Earth leakage relay type A • ...

earth-leakage protection relay
earth-leakage protection relay
ELR-3B

Trigger voltage: 230 V

... 10 s Protection AC type protection Type A protection Type B protection Test function Local Remote Output relays 2 (TRIP, Prealarm) 10 A (250 ...

voltage protection relay
voltage protection relay
SMPR-1 ETH

... -sequence voltage (50) Instantaneous phase overcurrent (50N/50G) Instantaneous ground overcurrent Overload alarm pickup level (51) Inverse time phase overcurrent (51N/51G) Inverse ...

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Orion Italia
over-current protection relay
over-current protection relay
IPR-A

... circuit Features - CT primary ratio selectable in 5 A steps (10 A to 6000 A) - Line and ground RMS currents measurement - 1 trip relay and 2 programmable auxiliary relay - Control ...

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Orion Italia
over-voltage protection relay
over-voltage protection relay
SMPR-1

... voltage (50) Instantaneous phase overcurrent (50N/50G) Instantaneous ground overcurrent Overload alarm pickup level (51) Inverse time phase overcurrent (51N/51G) Inverse time ground ...

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Orion Italia
over-current protection relay
over-current protection relay

The DKR-24 Series, manufactured by Entes, is an overcurrent protection relay designed to avoid damage from overloading the motor. This is equipped with electronic coil ...

voltage protection relay
voltage protection relay
RM3C

Direct and pulsanting voltage or current relay Wall mounting Bidirectional direct or pusating voltage or current relay 2 Min. and / or Max. programmable alarms Input voltage 50mV... 200mV Input ...

overload relay
overload relay
LC 200

Tripping current: 0.5 A
Trigger voltage: 24 V

The LC 200 accessories electronic overload guard features a power supply that ranges from 12 to 24V AC or DC. It consists of a red LED six-digit display placed on the top of the device. It mounts on a ...

overload relay
overload relay
LC 300

The LC 300 is an electronic overload guard which is equipped with a load limiter. It is integrated with dual independent units that is suitable for load cells. An alarm is incorporated in case of any power outage or malfunction. ...

feeder protection relay
feeder protection relay
PAS900 series

... circuit protection, inlet wire auto-input protection, capacitor proteciton, distribution transformer proteciton, motor differential protection, motor comprehensive protection ...

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Hangzhou Huning Elevator Parts Co., Ltd.
digital protection relay
digital protection relay
PAS2980D series

PAS2980D series digital voltage comprehensive protection, measurement and control device is applicable to the protection, measurement and control of 110kV and lower voltage. It can not ...

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Hangzhou Huning Elevator Parts Co., Ltd.
motor protection relay
motor protection relay
PAS2960D series

PAS2960D series digital motor protection, measurement and control device is applicable to the protection of large- and medium-sized asynchronous motors of 10kV and lower voltage level ...

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Hangzhou Huning Elevator Parts Co., Ltd.
voltage protection relay
voltage protection relay
PCS-915ID

... Busbar current differential protection (87B) Phase current differential protection Percentage restraint DPFC differential protection DPFC differential protection Voltage ...

over-voltage protection relay
over-voltage protection relay
PCS-921

The PCS-921 numerical relay provides protection for circuit breakers, which includes breaker failure protection, pole discrepancy protection, dead zone ...

over-voltage protection relay
over-voltage protection relay
PCS-9611S

... -stage phase overcurrent protection (50/51P, 67P) • Zero sequence overcurrent protection (50/51G, 67G) • Sensitive earth fault protection (51SEF, 67SEF) • ...

over-current protection relay
over-current protection relay
SIPROTEC 7SJ series

... 7SJ85 overcurrent protection has been designed specifically for protection of feeders and lines in medium-voltage and high-voltage systems. The SIPROTEC 7SJ86 overcurrent ...

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Siemens Energy automation and smart grid
over-current protection relay
over-current protection relay
P50 Agile P154

... substations and as a backup relay in HV systems. P154 can also be applied for direct refurbishment of substations using older generations of non-communicating overcurrent relays. The ...

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Alstom Grid
current protection relay
current protection relay
EMR series

Eaton’s Motor Relays (EMR3MP0, EMR3000, EMR4000 and EMR5000) provide unparalleled motor protection. These relays are most commonly applied to medium-voltage or larger motors. Users appreciate ...

IEC protection relay
IEC protection relay
REF630

Feeder protection and control REF630 IEC Flexibility and high functionality for feeder protection and control applications REF630 is a comprehensive feeder management relay for protection, ...

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ABB Oy Distribution Automation
voltage protection relay
voltage protection relay
G30

... beyond the substation, which enables wide area protection and control applications • Combined generator and transformer protection • Robust network security enabling Critical Infrastructure ...

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GE Grid Solutions
over-current protection relay
over-current protection relay
SEL-311L

... Line Current Differential Relay with integral four zone distance backup for easy-to-apply, high-speed line protection. Apply subcycle current differential protection with included four ...

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Schweitzer Engineering Laboratories
over-voltage protection relay
over-voltage protection relay
900VPR-2

Trigger voltage: 280 V - 520 V

3Ø-Digital Voltage Protection Relay, Self Powered [900VPR-2-280/520V] Measuring Parameter Under Voltage, Over Voltage, Under Frequency, Over Frequency, Phase Asymmetry, Phase Failure, ...

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SELEC Controls Pvt. Ltd.
over-current protection relay
over-current protection relay
CGI 14N/C

CGI 14N/C is a numerical over current and earth fault relay, entirely digitized and integrated with microprocessor technology. This allows for analog to digital conversion of the valves ...

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CG Power Systems
under-current protection relay
under-current protection relay
FPC 200, Protection relay

Tripping current: 0.3 A - 30 A

... and prepared software for 4 main protection groups as feeder protection, transformer protection, motor protection and busbar protection. Every groupd ...

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Iskra d.d.
power protection relay
power protection relay
DMP300 Series

... panel, reinforced unit, which can resist strong vibration with strong an-jamming design that suitable for severe environment. The measurement, protection AI isolation sampling channels are fully independent. ...

over-current protection relay
over-current protection relay
XMR-A

... fault recording • 64 sample for cycle measurement for accuracy of protection element COMMUNICATION SECURITY Communication Security through redundancy protocol and Cyber Security ...

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THYTRONIC