Voltage monitoring relays

41 companies | 115 products
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under-voltage monitoring relay
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, Overvoltage, ...

under-voltage monitoring relay
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 systems •Adjustable ...

voltage monitoring relay
voltage monitoring relay
PMDsigma

Trigger voltage: 24 V - 240 V

... Insulation monitoring: The insulation monitor PMD s20 can be used to monitor the insulation resistance of unearthed AC/DC systems. Thanks to the separate supply voltage, ...

current monitoring relay
current monitoring relay
PMDsrange

Trigger voltage: 0 V - 500 V

... electronic monitoring relays! Whether for monitoring voltage, phase sequence, current, insulation, true power, temperature, standstill or fault voltage, ...

voltage monitoring relay
voltage monitoring relay
AZR31S1 series

Trigger voltage: 24, 115, 230 V

The Schmersal AZR31S1 standtill monitors employs e.m.f standstill monitoring, and it has a direct connection to 3-phase motors. It is also ideal for frequency converter connections with rotary hysteresis ...

multifunction monitoring relay
multifunction monitoring relay
VARIMETER PRO | UG 9400

... measuring relay UG 9400 of the VARIMETER PRO series allows easy parameter setting, monitoring and diagnosis via a Modbus RTU interface. The measuring relay simultaneously monitors ...

voltage monitoring relay
voltage monitoring relay
VARIMETER NA | RP 9811

Trigger voltage: 400, 230 V

Standard-conforming 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 ...

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
G2PU690VS20

Trigger voltage: 690 V

... Series Phase Loss Monitor for up to 690V nominal voltage This product monitors phase loss, phase sequence, and phase rotation. The under-voltage settings can be adjusted ...

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TELE Haase Steuergeraete GmbH
voltage monitoring relay
voltage monitoring relay
E1UM230V01

Trigger voltage: 24, 230 V

This is a voltage monitoring relay module that is capable of measuring 1-phase networks. Our E1UM230V01 lets you select a suitable voltage range of 24V AC, 24V DC or ...

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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
under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VME420 series

... series of products is comprised of voltage relays that are designed to monitor the undervoltage, overvoltage and voltage between two threshold values. This item works ...

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BENDER
under-voltage monitoring relay
under-voltage monitoring relay
LINETRAXX® VME421H series

The voltage relays of the VME421H series are designed to monitor the frequency, undervoltage, overvoltage and the voltage between two threshold values (window discriminator ...

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

... 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 ...

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BENDER
voltage monitoring relay
voltage monitoring relay
MR50Ex

Trigger voltage: 2 V - 10 V

... range programmable ●Max. 2 alarm outputs ●Isolated analog output 0/4..20 mA, 0/2..10 V DC Characteristics The Monitoring Relay MR50Ex has inputs for industry standard signals 0/4..20 mA and ...

voltage monitoring relay
voltage monitoring relay
CVG500

... function min/max selectable ●Hysteresis and time delay adjustable Characteristics CVG500 monitoring relays can be used for monitoring current or voltage levels. ...

feeder monitoring relay
feeder monitoring relay
SIL-B

Trigger voltage: 24 V - 300 V

SIL-B Feeder Protection Relay Protection against overcurrent and overvoltage. The ability of measuring current, voltage and frecuency levels combined with Syncro-Check and directional protection ...

voltage monitoring relay
voltage monitoring relay
U1

... manufactured by Fanox, are single phase voltage relays that are DIN mounted. The U1 features two potentiometers, and the minimum and maximum thresholds can be modified. The U1D guards electrical equipment ...

safety relay
safety relay
AD SRE3, AD SRE3C

Tripping current: 6 A

The ADSRE3/ADSRE3C safety relay module provides either monitored manual restart or automatic/ manual restart. It has a category 3/PL d which is convenient ofr emergency stop. The device is manufactured based on the machinery ...

voltage monitoring relay
voltage monitoring relay
BasicLine BL 550

Trigger voltage: 50 V

... compact set-point alarm relay with changeover output contacts monitors and controls process variables with maximum reliability. • Input 0 ... 20 mA/4 ... 20 mA 0 ... 10 V • Relay ...

voltage monitoring relay
voltage monitoring relay
2381

Trigger voltage: 24, 220, 230 V

Voltage sensor relay for under voltage monitoring - 2 CO contacts - 10 A. Pluggable on the following sockets : 9244, 9246, 9243 & 9946. Detailed table of the coil ...

phase loss monitoring relay
phase loss monitoring relay
KFE10x series

Monitoring Relaysvoltage and current monitoring 3-phase asymmetry monitoring ■ phase sequence, phase loss ■ Three-phase voltage ...

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 loss and over-undervoltage of power supply system. The width of ...

phase sequence monitoring relay
phase sequence monitoring relay
HMPA5C series

... The 17.5mm pitch of our Chordn’s three-phase monitoring relays HMPA5C series are appropriate for monitoring the phase sequence-loss and undervoltage. Standard 35mm DIN rail mounting is ...

phase monitoring relay
phase monitoring relay
FKD-01F

FKD-01F Digital Phase Failure Relay with 3x3 Digit LED Display Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. High ...

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Tense
over-voltage monitoring relay
over-voltage monitoring relay
GK-04

Trigger voltage: 260 V - 460 V

... Three-Phase Over and Under Voltage Control Relay Voltage control relays are designed to protect devices with sensitive operating voltage from damage ...

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Tense
phase sequence monitoring relay
phase sequence monitoring relay
GK-04F

Trigger voltage: 260 V - 260 V

... Three-Phase Over and Under Voltage Control Relay Voltage control relays are designed to protect devices with sensitive operating voltage from damage ...

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Tense
current monitoring relay
current monitoring relay
EIW-C18

Tripping current: 0.01 A - 15 A
Trigger voltage: 20 V

Monitoring of direct or alternating currents in live systems. It is displayed whether the adjusted values are exceeded or not reached, and a switching process is triggered. The integrated 7-segment display indicates the ...

under-voltage monitoring relay
under-voltage monitoring relay
AUN, AUNF series

Trigger voltage: 42, 24, 115, 230 V

This is a Klaschka relay for under voltage and over voltage protection. This unit regulates voltages in either DC or AC circuits provided the differentiation of power ...

over-voltage monitoring relay
over-voltage monitoring relay
LCVR/2

... monitored supply voltage is above the set Under voltage trip level and below the set Over voltage trip level. Under voltage: If the voltage decreases ...

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Broyce Control
over-voltage monitoring relay
over-voltage monitoring relay
LMCVR-20V

Trigger voltage: 0 V - 20 V

... . Over voltage: In normal operation, the relay is in the energised state (monitored voltage below the set trip level). When the voltage increases above the trip level, ...

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Broyce Control
over-voltage monitoring relay
over-voltage monitoring relay
LMWVR

Trigger voltage: 12 V - 240 V

... Under voltage: If the monitored voltage decreases below the set Under voltage trip level, the relay will de-energise. The voltage must increase above ...

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Broyce Control
under-voltage monitoring relay
under-voltage monitoring relay
PPR10

... output 8 A / 250 V AC AC supply voltages up to 3 x 415 VAC Made in accordance with the CE and EMC regulations The C-mac module type PPR10 is a universal 3-phase monitoring relay, ...

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COMADAN
voltage monitoring relay
voltage monitoring relay
RP10

Monitoring of 1-phase supply voltage Separate adjustments of minimum and maximum limits 1- or 2-pole relay output DC supply or AC supplies up to 230 VAC Made in accordance with the CE ...

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COMADAN
voltage monitoring relay
voltage monitoring relay
MP92

... directly to the mains frequency, it is not possible to monitor the mechanical load on a motor which is connected via a frequency converter, by means of a standard power monitoring unit, because both voltage, ...

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COMADAN
voltage monitoring relay
voltage monitoring relay
MXV-10 series

Trigger voltage: 24, 115, 230 V

MXV-10 Single phase voltage relay A relay for monitoring AC voltage on the supply network, in accordance with application of sensitive supply voltage ...

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Brodersen Controls
voltage monitoring relay
voltage monitoring relay
MXV-20 series

Trigger voltage: 1 V - 500 V

... on the front, the relay de-energises. With inverted relay function the internal relay work the opposite way. The Voltage relay has a latch function ...

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Brodersen Controls
voltage monitoring relay
voltage monitoring relay
MXV-30 series

A relay for monitoring a 3-phase AC power supply with/without Neutral. When the voltage of the 3 phases U,V,W (L1, L2, L3) are within the range, adjustable on the front, the relay ...

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Brodersen Controls
under-voltage monitoring relay
under-voltage monitoring relay
SRW01 series

Trigger voltage: 24 V - 240 V

... following market segments. The relay offers pre-programmed operating modes that perform some types of standard starting and monitoring conditions. Its friendly parameterization mode allows users to ...

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 including overvoltage ...

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Crouzet
current monitoring relay
current monitoring relay
flare CONTROL

Electronic measurement and monitoring relays for measuring input quantities such as current, voltage, phase, cos Phi, temperature and isolation resistance. Our relays ...

voltage monitoring relay
voltage monitoring relay
REC615

... device that comprises of grid automation. It is designed with the purpose of monitoring, analyzing, and protecting the power quality in secondary distribution systems of medium voltage. The secondary ...

under-voltage monitoring relay
under-voltage monitoring relay
750600

... : High-voltage monitoring with error memory Under: Under-voltage monitoring Under + Latch: under-voltage monitoring with error ...

under-voltage monitoring relay
under-voltage monitoring relay
24 - 240 V

Trigger voltage: 24 V - 240 V

... comprehensive range of monitoring controls for monitoring of phase loss, incorrect phase sequence, phase unbalance, over/under current, over/under load, over/under frequency, and over/under voltage. ...

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CARLO GAVAZZI