Frequency protection relays

23 companies | 61 products
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earth-leakage protection relay
earth-leakage protection relay
SIPROTEC 7UM6 series

The SIPROTEC 7UM6 protection relays have been specially developed and designed for the protection of generators of all sizes and synchronous and asynchronous motors. With the high-performance ...

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Siemens Energy automation and smart grid
feeder protection relay
feeder protection relay
SIR-A

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

SIR-A Overhead Control / RTU & Feeder Protection The Fanox SIR-A is the Relay that offers the complete solution for Recloser Control and Feeder Protection with current, voltage, ...

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FANOX ELECTRONIC
phase sequence protection relay
phase sequence protection relay
SIU-C

Trigger voltage: 24 V - 230 V

... SIU-C represents the best and most precise protection solution for transformers and electrical machines in high, medium, and low-voltage distribution systems. The SIU-C is a voltage and frequency protection ...

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FANOX ELECTRONIC
phase unbalance protection relay
phase unbalance protection relay
SIL-C

Trigger voltage: 24 V - 230 V

SIL-C FEEDER & GENERATOR PROTECTION RELAY High Accuracy and Reliability in a compact device The SIL-C Relay protects Feeders and Equipment and includes comprehensive current, voltage, ...

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FANOX ELECTRONIC
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 ...

grid and system protection relay
grid and system protection relay
NA003.COM-64

Trigger voltage: 24 V - 110 V

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

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 ...

temperature protection relay
temperature protection relay
FPC 200

Tripping current: 0.3 A - 30 A

FPC 200 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 ...

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Iskra d.d.
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 ...

earth-leakage protection relay
earth-leakage protection relay
REF601

Trigger voltage: 24 V - 265 V

... a dedicated feeder protection and control relay intended for the protection and control of utility and industrial power systems in primary and secondary distribution networks. The relay ...

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ABB Oy Distribution Automation
phase sequence protection relay
phase sequence protection relay
900VPR-BL-U-CE

Tripping current: 3, 5 A
Trigger voltage: 50 V - 500 V

3 phase RMS voltage protection relay Monitors: Over / Under Voltage, Over / Under Frequency, Phase asymmetry, Phase failure, Phase sequence & Neutral loss Accuracy: ± 1% ...

over-voltage protection relay
over-voltage protection relay
SEL-787-3E/-3S/-4X

Transformer Protection Relay Protect and monitor most three- and four-winding transformers and terminals with the versatile SEL-787 Transformer Protection Relay platform. ...

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Schweitzer Engineering Laboratories
under-frequency protection relay
under-frequency protection relay
PHD series

Trigger voltage: 87 V - 550 V

... normal conditions, with the supply frequency close to the nominal set point, both red LEDs are off with the Under relay energised and the Over relay de-energised. Should the supply fall ...

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. ...

frequency protection relay
frequency protection relay
170 - 1 000 Hz | NS40A

... Proven Power has NS40A Audio Tone Frequency Shift Keyed Relay Channel. The carrier channel can be configured in the one-way to transfer trip application protection or in the two ways ...

frequency protection relay
frequency protection relay
CGI 14S

SELF POWERED FEEDER PROTECTION RELAY Product Overview The ‘CGI 14S' Self Powered Numerical Protection Relay is designed for use in unmanned substation where ...

over-voltage protection relay
over-voltage protection relay
PCS-985TI

... Current differential protection (87T) • Transformer restricted earth fault protection (64REF) • Negative-sequence Overcurrent protection (50/51Q) • Overexcitation ...

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NR Electric
over-voltage protection relay
over-voltage protection relay
XMR-P

... configuration) • Feeder Protection with additional Power protection element (SW PAC Power) • Feeder Protection with additional Directional Overcurrent and Earth Fault ...

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THYTRONIC
over-voltage protection relay
over-voltage protection relay
KPFV51x series

Trigger voltage: 100 V - 480 V

KPFV51x - SINGLE PHASE - FREQUENCY AND VOLTAGE GUARD Under and Over Voltage and Frequency Protection Adjustable Voltage and Frequency Deviation Set points "Pathfinder" ...

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Meagacon AS
over-voltage protection relay
over-voltage protection relay
T-PRO 4000

... station bus embedded T-PRO relay provides complete 3-phase multi-winding transformer fault and overload protection, DFR-quality fault oscillography, sequence of event logging, trend recording, in a fully ...

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ERLPhase
earth-leakage protection relay
earth-leakage protection relay
VIPAM3500

... Integrated Electronic Device) is a digital protection relay that enables a high-precision measurement and protection relay for switchgear power equipments. The switchgear ...

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VitzroEM Co., Ltd.
motor protection relay
motor protection relay
MPR-100

Motor Protection Relay The device has been designed for continuous monitoring of electrical parameters in low voltage systems. It allows direct, close-distance or remote monitoring via RS-485 and bluetooth ...

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Orion Italia
voltage protection relay
voltage protection relay
ETR304

-Microprocessor-based digital protection relay for 4 way configuration of switchgear -Local and remote operation available by built-in RTU -DNP 3.0, MODBUS, IEC60870-5-101/104 communication protocols ...

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ENTEC ELECTRIC & ELECTRONIC CO.,LTD
over-current protection relay
over-current protection relay
VAMP 52

... and Motor Protection Relay Key Features: Multifunctional yet user-friendly Extensive thermal protection functions optimal for low and medium-sized asynchronous motors Directional earth ...

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Vamp
over-frequency protection relay
over-frequency protection relay
MP 250

... breaker). A complete set of mains protections is available. The relay features multistage protections for under and over voltages, under and over frequency as well ...

differential protection relay
differential protection relay
MCDGV 4

over-voltage protection relay
over-voltage protection relay
MRU 4

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