Three-phase monitoring relays

27 companies | 84 products
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under-voltage monitoring relay
under-voltage monitoring relay
Série 70

Tripping current: 6, 10, 30 A
Trigger voltage: 220 V - 415 V

Electronic voltage monitoring relays for single and three-phase applications •Multifunctional types, providing the flexibility of monitoring Undervoltage, ...

under-voltage monitoring relay
under-voltage monitoring relay
Série 71

Tripping current: 10, 15 A
Trigger voltage: 400, 250 V

Over & Under voltage monitoring Voltage or current detecting Phase asymmetry Phase rotation Phase loss Thermistor temperature sensing •35mm wide •1 or 3 ...

phase loss monitoring relay
phase loss monitoring relay
EMR4/EMR5

Tripping current: 0 A - 15 A

... Multifunctional three-phase monitors Asymmetric phase monitoring relays in a single device Level monitoring ...

under-voltage monitoring relay
under-voltage monitoring relay
H3US

Trigger voltage: 194 V - 528 V

This relays has a self-control over its own supply of voltage. It has LED status signals and a real RMS measurement. Its H3US and M3US relays manages 3 phase networks ...

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Crouzet
under-voltage monitoring relay
under-voltage monitoring relay
G2PU690VS20

Trigger voltage: 690 V

GAMMA Series Phase Loss Monitor for up to 690V nominal voltage This product monitors phase loss, phase sequence, and phase rotation. ...

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TELE Haase Steuergeraete GmbH
current monitoring relay
current monitoring relay
G2JM5AL20 24-240V AC/DC

Tripping current: 5,000 mA

Current monitoring 3-phase; Multifunction; to 5A; Fault latch; 2 CO, Adjustable delay; coolZoom

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TELE Haase Steuergeraete GmbH
voltage monitoring relay
voltage monitoring relay
E1YM480Y/277VS10

Voltage monitoring 1- or 3-phase; Multifunction; monitoring of phase failure; monitoring of phase sequence selectabel; 1 CO; Adjustable delay

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TELE Haase Steuergeraete GmbH
multifunction monitoring relay
multifunction monitoring relay
VARIMETER PRO | UG 9400

... separated Modbus RTU interface • Voltage monitoring (1- or 3-phase) • Current monitoring • Frequency monitoring • Power factor cos phi • Phase sequence, ...

voltage monitoring relay
voltage monitoring relay
VARIMETER NA | RP 9811

Trigger voltage: 400, 230 V

... mains and system protection With the new voltage and frequency monitor RP 9811 of the VARIMETER NA family DOLD offers a safe and standard-conforming solution for optimal mains monitoring of the energy ...

multifunction monitoring relay
multifunction monitoring relay
VARIMETER PRO | MK 9300N

Features • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3-phase) • Current monitoring • Frequency monitoring • ...

under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VMD420 series

The multi-functional VMD420 series voltage is used for observing frequency, under and over voltage. It also monitors the voltage between two limit values in 3 AC systems. This product has a digital screen where the currently ...

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BENDER
under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VMD423/VMD423H

... transmitters at the feeding point of a medium voltage grid. When the limit values are attained, an alarm relay is triggered within ≤80ms. These relay models can be adapted to the requirements of individual ...

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BENDER
under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VMD258

LINETRAXX® VMD258 is a voltage relay system that can monitor three-phase AC systems and detect undervoltage and overvoltage. As a neutral conductor connection is not ...

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BENDER
phase loss monitoring relay
phase loss monitoring relay
KFE30x series

... KFE30x is a type of monitoring relay used in order to monitor voltage and current. It consist of a three-phase asymmetry monitor that ...

phase loss monitoring relay
phase loss monitoring relay
KFE10x series

Monitoring Relays ■ voltage and current monitoring 3-phase asymmetry monitoringphase sequence, phase ...

phase sequence monitoring relay
phase sequence monitoring relay
HMPB7 series

Description: Chordn’s three-phase monitoring relays HMPB7 series are mainly used to monitor the phase sequence, phase ...

phase sequence monitoring relay
phase sequence monitoring relay
FKV-03N

The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. Asymmetry : ~40% Phase Sequence Control Non-Neutral

voltage monitoring relay
voltage monitoring relay
MP92

Monitoring of engine torque for 3phase motors Frequency range 10-400 Hz Very suitable in connection with frequency converters Analogue and relay output Adjustable start-up time, reaction ...

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COMADAN
under-voltage monitoring relay
under-voltage monitoring relay
PPR10

Monitoring of all static 3-phase parameters: Over / Undervoltage, Sequence, Asymmetry, Frequency. Monitoring of dynamic parameters: df/dt (ROCOF) and Phase angle fault. ...

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COMADAN
phase sequence monitoring relay
phase sequence monitoring relay
RP31

3-phase monitoring of phase asymmetry Monitors correct phase sequence Adjustable asymmetry level 5-25 % 1-pole relay output 8 A / ...

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COMADAN
phase sequence monitoring relay
phase sequence monitoring relay
GZ90

Tripping current: 8 A

... sequence of a threephase power line. If one or more phases disappear, the relay turns off. It is available in two versions: a) F 22. The relay turns ON only if the sequence is wrong. b) ...

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ELETTROMECCANICA CDC s.r.l.
temperature monitoring relay
temperature monitoring relay
250 V | TC70

Tripping current: 1, 3 A
Trigger voltage: 250 V

... is a specialized device for monitoring and protection of 3-phase asynchronous motors, designed for DIN-rail mounting. It monitors phase presence and order, phase ...

temperature monitoring relay
temperature monitoring relay
45PTR

Trigger voltage: 400 V

... Combined Three Phase and Thermistor Relay - Used in conjunction with PTC thermistors to DIN 44081 - Three Phase voltage monitoring - ...

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Broyce Control
reverse power monitoring relay
reverse power monitoring relay
70RPR

Trigger voltage: 380, 220, 400 V

... Power monitoring - Designed to monitor AC generators or boosting mains supplies - Suited to 3-wire, three phase supplies - Can be used with external CT - DPDT Relay ...

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Broyce Control
reverse power monitoring relay
reverse power monitoring relay
70RPR-4W

Trigger voltage: 230, 110 V

... Power monitoring - Designed to monitor AC generators or boosting mains supplies - Suited to 4-wire, three phase supplies - Can be used with external CT - DPDT Relay ...

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Broyce Control
over-current monitoring relay
over-current monitoring relay
CBA series

Trigger voltage: 120 V

The AC current band monitoring relays in the CBA series are often used for applications such as detecting under and overcurrent conditions, which could potentially influence the continuous operation of ...

over-voltage monitoring relay
over-voltage monitoring relay
MCP-10 series

Trigger voltage: 220, 380, 400, 415 V

... The output relay is energized when all three phase voltages are present and the phase conditions (voltage and phase sequence) are correct. The phase ...

phase monitoring relay
phase monitoring relay
269 Plus

... shutdown prevents further damage or hazardous incidents. The 269 Plus by GE is most applicable in situations wherein three-phase AC motors are involved.

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GE Grid Solutions
power factor monitoring relay
power factor monitoring relay
CM-LWN series

The motor load monitor CM-LWN monitors the load of single-phase and three-phase asynchronous motors. The evaluation of the phase angle ...

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ABB
phase unbalance monitoring relay
phase unbalance monitoring relay
D65V series

Eaton’s Voltage Monitoring Relays are solid-state protective relays that automatically operate when one or more phases of the three-phase ...

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Eaton Count Control Products
voltage monitoring relay
voltage monitoring relay
PMV series

Trigger voltage: 208 V - 575 V

VOLTAGE MONITORING RELAYS For three-phase systems without neutral, three-phase systems with or without neutral and single-phase ...

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LOVATO ELECTRIC
over-current monitoring relay
over-current monitoring relay
SEL-487E

... Protection Relay Protect and monitor most transformer applications with the powerful SEL-487E Transformer Protection Relay. Apply up to 5 three-phase ...

power monitoring relay
power monitoring relay
Beep

Power relay, single-phase network 2 Module Non-priority load tripping management Relay output for load tripping or external sound signaling (selectable) Inner alarm Buzzer Measuring ...

voltage monitoring relay
voltage monitoring relay
RPN series

Tripping current: 12 A

Monitoring relays - RPN! NEW SERIES! •Multifunctions monitoring relays - AC current monitoring in 1-phase network: RPN-1A..-A230 •Single-functions ...

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RELPOL
current monitoring relay
current monitoring relay
EVAR

The Electrical Variable Analyzer Relay (EVAR) has been designed to continuous monitoring of a single or three-phase system. It provides metering for current, voltage, ...

phase loss monitoring relay
phase loss monitoring relay
RF03

Phase Failure and Phase Sequence Relay Voltage monitoring relay for three phase supply. Protects against ...

phase unbalance monitoring relay
phase unbalance monitoring relay
120 - 480 V | 2002Y series

Trigger voltage: 120 V - 480 V

... 2002Y 3-Phase Voltage Unbalance Monitor is designed to continuously monitor a three-phase line with a neutral connection for unbalanced voltage conditions. This ...

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Time Mark