Over-voltage monitoring relays

22 companies | 45 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, Overvoltage, Window Mode, Phase rotation, Phase loss, Asymmetry and Neutral loss •Colored ...

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 systems •Adjustable or Fixed values •Positive safety logic •35mm ...

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 in between phases and undervoltage between phases. ...

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Crouzet
under-voltage monitoring relay
under-voltage monitoring relay
SRW01 series

Trigger voltage: 24 V - 240 V

The smart relay SRW01 series is a low-voltage, electric motor management system with state-of-the-art technology and network communication capabilities. Its high reliability and precision make the SRW01 suitable for the toughest industrial ...

multifunction monitoring relay
multifunction monitoring relay
VARIMETER PRO | UG 9400

The multifunctional 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 up to 9 different measured ...

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 functions makes him one of the safest ...

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

The VME420 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 with both DC and AC systems, while all voltages are measured ...

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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 function) in AC and DC systems. The voltages are measured as ...

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BENDER
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 measured ...

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BENDER
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 these monitoring relays is 35.5mm and standard 35mm ...

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 Voltage : 440V Low Voltage : 270V Asymmetry ...

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

Trigger voltage: 260 V - 460 V

GK-04 Analogue Adjustable Three-Phase Over and Under Voltage Control Relay Voltage control relays are designed to protect devices with sensitive operating voltage from damage caused by mains voltage. Over Voltage : 400V - 460V ...

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

Trigger voltage: 260 V - 260 V

GK-04F Analogue Adjustable Three-Phase Over and Under Voltage Control Relay Voltage control relays are designed to protect devices with sensitive operating voltage from damage caused by mains voltage. Over Voltage : 400V - 460V ...

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Tense Electronic
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 is just right for its maintaining capacity. It monitors power in dry ...

over-voltage monitoring relay
over-voltage monitoring relay
GKRC series

The product is composed of Voltage Monitoring Relays which are developed by entes. They are specifically designed for the protection of the motors and networks from undervoltage situations and overvoltage situations. They also protect ...

under-voltage monitoring relay
under-voltage monitoring relay
750600

Monitoring of AC and DC voltages in 1-phase networks with adjustable thresholds separately adjustable start-up suppression and trigger delay function selection via rotary switch Over: High-voltage monitoring ...

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

Trigger voltage: 24 V - 240 V

Carlo Gavazzi offers a 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. Our products ...

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CARLO GAVAZZI
over-voltage monitoring relay
over-voltage monitoring relay
LMCVR-500V

Trigger voltage: 2 V - 500 V

- Under or Over voltage monitoring (selectable) - 5 Selectable voltage ranges (20V, 50V, 100V, 200V or 500V) - Adjustable Trip level, Hysteresis and Time delay + Latch - Isolated Auxiliary supply - SPDT Relay output - 17.5mm wide, ...

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

Trigger voltage: 110, 115, 220, 230, 240 V

• Under and Over voltage monitoring • Monitors own supply • Selectable nominal voltages • Adjustable Trip levels • Adjustable Time delay • 2 x SPDT Relay output • 17.5mm wide, DIN Rail mount • UL Listed When power is applied, ...

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Broyce Control
over-voltage monitoring relay
over-voltage monitoring relay
70CVR

Trigger voltage: 110, 230 V

- Under and Over voltage monitoring - Monitors own supply - Adjustable Trip levels - Adjustable Hysteresis - DPDT Relay output - 100mm wide, DIN Rail mount When power is applied, the output relay will energise provided the monitored ...

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Broyce Control
under-voltage monitoring relay
under-voltage monitoring relay
SM 175

Trigger voltage: 208 V - 480 V

The SM 175, which is manufactured by GIC, is a voltage monitoring device that is suitable to use in controlling the sequence of three phases, and its supply voltage. The unit has a compact design, and has a modifiable time delay function. ...

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

Trigger voltage: 220, 380, 400, 415 V

Control relay for monitoring of correct phase sequence, phase break and undervoltage. Connection to 3-phase mains supply with or without neutral. Fixed limits for energizing and de-energizing the single or double output relay. LED ...

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. Programmable functions, ranges and reaction delays. 2 independent ...

over-voltage monitoring relay
over-voltage monitoring relay
CM-UFD.M22

The CM-UFD.M22 is a multifunctional grid feeding monitoring relay. It provides different monitoring functions in accordance with CEI 0-21 to detect over- and undervoltage (10-minutes average value,voltage increase and decrease protection) ...

under-voltage monitoring relay
under-voltage monitoring relay
002471416

Trigger voltage: 400 V

The HRN-54 and HRN-54N is an over/under-voltage monitoring relay. It is designed to monitor the voltage of the device that can be set on upper and lower level. It has a phase failure and sequence in switchboards and a protection in 3-phase ...

over-voltage monitoring relay
over-voltage monitoring relay
MS2V67-S series

The MS2V67-S Series relay is a three pole voltage monitoring relay with four stages of adjustable voltage pick up & drop out points. Each voltage set point can be set for under or overvoltage operation & has an independent time ...

over-voltage monitoring relay
over-voltage monitoring relay
1.5 - 6 W | 269

The Model 269 Over and Under 3-Phase Monitor continuously monitors 3-phase lines for high voltage, low voltage, phase loss or phase reversal. This device features a solid-state voltage and phase-angle sensing circuit, which drives a SPDT ...

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Time Mark
under-voltage monitoring relay
under-voltage monitoring relay
VROU3-28

Trigger voltage: 24 V - 240 V

Monitoring relay VROU3-28Under and over voltage monitoring relaysDESCRIPTION These unit monitor a 3-phase 3-wire supply and operate relays if a phase-phase voltage goes below or above set levels. LEDs indicate power on and trip ...

under-voltage monitoring relay
under-voltage monitoring relay
EUW 3

Trigger voltage: 12, 48, 60, 110, 220 V

The EUW 3 monitors three-phase networks on under and overvoltage, in which both switching points can be indepen¬dently adjusted by each other. To recognize asymmetry or even phase failure, the supervision is separately carried out ...