Three-phase monitoring relays

28 companies | 82 products
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under-voltage monitoring relay / over-voltage / phase sequence / phase loss
under-voltage monitoring relay
70 series

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 / over-voltage / current / phase sequence
under-voltage monitoring relay
71 series

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 sequence / 2 NO/NC / IEC
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 / over-voltage / 2 NO/NC / DIN rail
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 / over-voltage / frequency / phase sequence
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 / over-voltage / frequency / phase sequence
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 / over-voltage / 1 NO/NC / DIN rail
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
current monitoring relay / DPDT / for electric motors / adjustable
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 / phase sequence / phase unbalance / phase sequence
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
voltage monitoring relay / phase sequence / phase loss / phase unbalance
voltage monitoring relay
E1PF480Y/277VSY10

Trigger voltage: 3 V - 480 V

Voltage monitoring 3-phase with adjustable delay; Phase sequence monitoring; Phase failure monitoring; Asymmetry monitoring; ...

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TELE Haase Steuergeraete GmbH
voltage monitoring relay / frequency / for generators / DIN rail
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 ...

phase loss monitoring relay / phase unbalance / three-phase / DIN rail
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 unbalance / voltage / three-phase
phase loss monitoring relay
KFE10x series

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

voltage monitoring relay / DIN rail / three-phase / single-phase
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
phase loss monitoring relay / phase unbalance / phase sequence / three-phase
phase loss monitoring relay
RF03

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

phase sequence monitoring relay / DIN rail / three-phase
phase sequence monitoring relay
FKV-03N

Non Neutral, Fixed Asymmetry, Phase Sequence, Phase Protection Relay FKV-03N phase failure relay are designed to avoid any failure of three ...

under-voltage monitoring relay / over-voltage / phase sequence / phase unbalance
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 / electronic / DIN rail / three-phase
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 / phase sequence / panel-mount / three-phase
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 ...

voltage monitoring relay / current / temperature / adjustable
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
voltage monitoring relay / phase sequence / 1 NO/NC / adjustable
voltage monitoring relay
MR-EU3M1P

Tripping current: 5 A

... Multifunctions monitoring relays (AC voltage monitoring in 3-phase network - 3(N)~ 400/230 V) •Monitoring of phase sequence and phase ...

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RELPOL
voltage monitoring relay / phase sequence / 1 NO/NC / adjustable
voltage monitoring relay
MR-EU31UW1P

Tripping current: 5 A

... categoryIII PN-EN 60664-1 • Multifunctions monitoring relays (AC voltage monitoring in 1-phase network and 3-phase - 3(N)~ 400/230 V, with adjustable ...

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RELPOL
current monitoring relay / voltage / programmable / panel-mount
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, ...

voltage monitoring relay / phase sequence / phase loss / phase unbalance
voltage monitoring relay
HRN-43 series

Tripping current: 16 A

Monitoring voltage relay, 3-phase HRN-43, HRN-43N galvanically separated supply AC 230V, AC 400 or AC/DC 24V, memory, adjustable hysteresis and delay, 2 x independent output monitoring ...

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ELKO
current monitoring relay / adjustable / for electric motors / DIN rail
current monitoring relay
PRI-53

Tripping current: 8 A

Three-phase relay PRI-53 for monitoring the current in three-phase devices Intended for monitoring the current in ...

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ELKO
power factor monitoring relay / DPDT / adjustable / time delay
power factor monitoring relay
COS-1

Tripping current: 16 A

Power factor monitoring relay COS-1Relay monitors phase shift between current and voltage - cos-φ in 3-phase and also 1-phaseDESCRIPTION ...

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ELKO
over-voltage monitoring relay / phase loss / phase unbalance / digital
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 / panel-mount / three-phase / programmable
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 / SPDT / single-phase / three-phase
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 / voltage / three-phase
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
under-voltage monitoring relay / over-voltage / AC/DC / three-phase
under-voltage monitoring relay
813S series

The Rockwell Bulletin 813S are high performance Voltage Monitoring Relays designed to monitor and protect vital machines and equipment form various electric surges. The units are CSA ...

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Allen Bradley
over-current monitoring relay / temperature / three-phase / adjustable
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 / voltage / current / DIN rail
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 ...

temperature monitoring relay / power / adjustable / three-phase
temperature monitoring relay
750680

True power monitoring for 1 and 3-phase loads with 48 settable thresholds (P1, P2) separately adjustable start-up suppression and trigger delay selectable error memory Temperature monitoring ...

voltage monitoring relay / frequency / three-phase
voltage monitoring relay
SLU-0200 series

Trigger voltage: 200 V - 500 V

The SLU-0200 Monitor transmissions (3 phase) offer an affordable safety from premature tool errors, downtime due to voltage errors or abrupt outages on 3-Phase systems (Wye or Delta). It ...

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Marsh Bellofram