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Monitoring Relays

Monitoring relays are an excellent component type of relay that trips the breaker when faced with a fault or any mishap. Since this is an electrical control switch, which ensures the power is off and on in a circuit. Control relays are embedded in emerging and innovative technology that stands first over manual relays since they are customizable with most of the conditions, at the same time, normal relays turn corresponding to a fixed value or threshold. They are used to measure the parameters that are already available. which includes voltage and temperature and can trip a circuit if and only if the potential gets to its maximum or minimum.

What are Monitoring Relays Used for?

Depending mostly on the element being monitored, control relays can be used for a variety of purposes. For instance, if measuring current, they can guard against overcurrent, and if monitoring frequency, they can spot an unusually low frequency.

What are the Types of Monitoring Relays?

The primary method that is being used to characterize the control relays is the method that is used to measure them. Several more things have been incorporated, such as current, frequency, voltage, and temperature. The thing that must be under consideration to measure and decide the required relay that will work with your applications.


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MK9040N.12/001 3AC50/60Hz 400V, Dold
1 In Stock
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£ 141.54
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TR4801-02-24VAC/DC, Tempatron
1 In Stock
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£ 116.47
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£ 111.69
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MAC04D0100, GIC
86 In Stock
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£ 46.25
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£ 44.83
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£ 42.94
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TR4801-01-24VAC/DC, Tempatron
2 In Stock
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£ 116.47
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£ 111.69
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5SV8000-6KK, Siemens
2 In Stock
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£ 245.94
Schneider Electric
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RM22TU23, Schneider Electric
2 In Stock
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£ 45.89
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MK9055N.12 1-120.000IPM UH=AC230V+DC24V, Dold
3 In Stock
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£ 206.78
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RN5883.12/61 AC/DC24-80V 10-3000mA 0-10s, Dold
1 In Stock
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£ 475.05
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LH5946.48/61 0,2-4V UH=AC230V 0,2-6s, Dold
1 In Stock
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£ 595.76
Siemens
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5TT3171, Siemens
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£ 236.65
Schneider Electric
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RM22TA33, Schneider Electric
7 In Stock
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£ 50.26
Siemens
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5TT3400, Siemens
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£ 140.16
Carlo Gavazzi
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DUB02CT23, Carlo Gavazzi
11 In Stock
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£ 103.95
Carlo Gavazzi
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DUB03CW24, Carlo Gavazzi
4 In Stock
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£ 129.65
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184790 EMR6-I1-A-1, Eaton
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£ 205.25
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184779 EMR6-W500-D-1, Eaton
9 In Stock
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£ 192.91
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1SVR730722R1400 CM-MSS.21S, ABB
6 In Stock
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£ 100.22
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£ 95.21
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£ 90.19
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1SVR730712R1400 CM-MSS.31S, ABB
16 In Stock
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£ 122.68
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£ 116.55
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£ 110.40
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1SVR740712R2200 CM-MSS.33P, ABB
1 In Stock
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£ 75.65
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£ 72.57
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1SVR730740R0200 CM-TCS.12S, ABB
1 In Stock
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£ 213.13
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£ 202.47
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£ 191.82
704284002032, Finder
14 In Stock
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£ 111.15
720182405002, Finder
1 In Stock
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£ 68.77
Allen Bradley
700S-EF620EJC, Allen Bradley
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£ 90.75
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LVM20A240, Lovato
7 In Stock
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£ 64.47
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3RS25002AW30, Siemens
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£ 147.70
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3RS11401GW60, Siemens

3RS11401GW60, Siemens

Temperature Monitoring Relays, 3RS10/11/1000/1010 Extremely simple operation Settable hysteresis Fast troubleshooting by detecting wire breakage Relay configuration: SPNC; SPNO
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134222, Eaton

134222, Eaton

EMR5 Series Professional range of Eaton current monitoring relays from the EMR5 series. The main function of the relays is the monitoring of single phase AC and DC networks. The relays are designed to cover a wide range of applications in electrical switchgear technology such as multifunctional 3 phase monitors and earth leakage monitors. Phase sequence detection Phase failure detection LED status indication Eaton Monitoring Relay
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PMV80NA240, Lovato

PMV80NA240, Lovato

Voltage Monitoring Relay Self Powered Lovato This Lovato range of voltage monitoring relays are self-powered for minimum and maximum voltage, phase and neutral loss including incorrect phase sequence. You have a choice of one or three phase voltage monitoring relays and a maximum and minimum AC voltage. The relays have configurable rated voltage including excellent tripping accuracy. Self-powered Modular DIN 43880 housing Excellent tripping accuracy IEC protection: IP40 on front and only when placed in an IP40 enclosure or control board IP20 at terminals Configurable rated voltage One or three phase Minimum and maximum AC voltage Tripping accuracy Approvals EAC; UL Listed for USA and Canada (cULus File E93601) as auxiliary devices. Compliant with standards: IES/EN 60255-5 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508 CSA C22.2 n° 14. Lovato Orange Contactors, Control Relays and Accessories
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184785  EMR6-VF600-A-1, Eaton

184785 EMR6-VF600-A-1, Eaton

Eaton Voltage Monitoring Relay The Eaton voltage monitoring relay is an ideal protection device for a wide range of switchgear applications. Monitoring a 3 phase power supply is very important to protect the electrical devices connected to the supply. Power fluctuations can seriously damage the devices. This relay is capable of monitoring functions related to the power supply like undervoltage and overvoltage. This relay is universally suitable for a large number of applications. It reduces inventory costs and saves time during the equipment selection process. Like any other Eaton relay, this monitoring relay guarantees minimum shutdown time, high efficiency and sustainable long life. Features and Benefits • Ambient temperature ranges between -25°C and 60°C • Burst and surge protection • Contact configuration: CO • High shock resistance • Immune to radiation • LED status indicators • Mechanical lifespan of 30M cycles • Quick response time • Weather protection Applications • Electric engineering • Factory automation • Light industrial environments • Low-voltage switch technology • Monitoring equipment • process control engineering • Residential facilities Certifications • CAN/CSA certified • CCC approved • EAC approved • GL certified • IP20 rating protection for terminals • IP50 rating protection for enclosure • RCM certified • RMRS certified • UL508 certified
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K8DT-AS1TA, Omron

K8DT-AS1TA, Omron

K8DT-AS/AW Single Phase Current Relay Omron K8DT-AS/AW single phase current relays detect errors in motors and other equipment through current changes. Monitor AC or DC currents with one Relay. Use with commercially available current transformers Width of 17.5 mm to reduce space required in panels. Push-In Plus Terminal that reduce wiring work. Double-insertion holes for crossover wiring (all terminals). Note K8DT-AS allow use in either overcurrent or undercurrent mode. K8DT-AW allow overcurrent and undercurrent monitoring simultaneously Omron K8DT Series Control Relays Omron K8DT measuring and monitoring relays are part of the Value Design for Panel concept that takes control panel design and manufacturing to a new level. The K8DT series protect important equipment from damage using various measuring and monitoring relays that conform to international safety standards. Low power consumption and low heat generation design offer a long service life. Space Saving The K8DT series can help downsize control panels by reducing the width between wiring ducts and void panel space. The slim body allows space to mount more devices in the same size of control panel to increase control panel functionality. Push-In Plus Terminals Push-In Plus terminal blocks on all K8DT relays reduce the time and work involved in wiring. The Push-In Plus terminals allow solid and stranded wires with pin terminals or ferrules to be inserted without the need for tools.
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K8DT-AS3CA, Omron

K8DT-AS3CA, Omron

K8DT-AS/AW Single Phase Current Relay Omron K8DT-AS/AW single phase current relays detect errors in motors and other equipment through current changes. Monitor AC or DC currents with one Relay. Use with commercially available current transformers Width of 17.5 mm to reduce space required in panels. Push-In Plus Terminal that reduce wiring work. Double-insertion holes for crossover wiring (all terminals). Note K8DT-AS allow use in either overcurrent or undercurrent mode. K8DT-AW allow overcurrent and undercurrent monitoring simultaneously Omron K8DT Series Control Relays Omron K8DT measuring and monitoring relays are part of the Value Design for Panel concept that takes control panel design and manufacturing to a new level. The K8DT series protect important equipment from damage using various measuring and monitoring relays that conform to international safety standards. Low power consumption and low heat generation design offer a long service life. Space Saving The K8DT series can help downsize control panels by reducing the width between wiring ducts and void panel space. The slim body allows space to mount more devices in the same size of control panel to increase control panel functionality. Push-In Plus Terminals Push-In Plus terminal blocks on all K8DT relays reduce the time and work involved in wiring. The Push-In Plus terminals allow solid and stranded wires with pin terminals or ferrules to be inserted without the need for tools.
New items
IK9169.11 3AC380-415/220-240V, Dold

IK9169.11 3AC380-415/220-240V, Dold

IK9169 phase monitor, IK9168 phase monitor display Detection of phase failure in three-phase systems Single-phase connection also an option Rest current principle Adjustable phase sequence LED display for each phase 17.5 mm overall width Additional function on IK9169 phase monitor Output 1 changeover contact for control purposes Meets IEC 255, VDE 0435 Part 303 Input Nominal voltage U N : 3 AC 230 / 400 V Voltage range: 0.8 → 1.1 U N Frequency range: 45 → 65 Hz Response value: IK9169: 0.7 U N ±10% IK9168: 0.5 U N ±10% Output (IK9169 only) Contact assignment: 1 changeover Thermal current I th : 4 A General data Rated operating current type: Continuous operation Temperature range: -20 °C → +60 °C Device dimensions (W x H x D): 17.5 x 90 x 59 mm Phase Sequence/Failure Relays Monitoring of 3 phase supplies Orange housing manufactured to DIN 43 880 DIN rail mount
New items
RM22TU21, Schneider Electric

RM22TU21, Schneider Electric

RM22-TR Three Phase Voltage Control Relay Schneider Electric Zelio RM22T series multifunction three phase voltage control relays. The RM22T series monitor phase sequence and phase loss. Sealable front cover to help protect settings Diagnostic button for load circuit testing Relay output status LED Fault detection indication LED Dial pointer LED indicator for relay power ON status Relay output On-delay or Off-delay 35 mm DIN Rail mount Schneider Electric Voltage, Current, Phase & Motor Protection
New items
RM17UAS15, Schneider Electric

RM17UAS15, Schneider Electric

RM17 U Series Voltage Control Relay Schneider Electric RM17 U single-phase and direct current voltage control relays that monitor over-voltage and under-voltage, with or without memory, or that operate in window mode. The overvoltage and undervoltage threshold values are adjusted via two graduated potentiometers that directly read the Un being monitored. Checks its own power supply Clear hinged front cover LED display of output status DIN Rail mounting Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Schneider Electric Voltage, Current, Phase & Motor Protection
New items
RM17UAS16, Schneider Electric

RM17UAS16, Schneider Electric

RM17 U Series Voltage Control Relay Schneider Electric RM17 U single-phase and direct current voltage control relays that monitor over-voltage and under-voltage, with or without memory, or that operate in window mode. The overvoltage and undervoltage threshold values are adjusted via two graduated potentiometers that directly read the Un being monitored. Checks its own power supply Clear hinged front cover LED display of output status DIN Rail mounting Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Schneider Electric Voltage, Current, Phase & Motor Protection
New items
MK9052.11 AC50/60Hz 230V, Dold

MK9052.11 AC50/60Hz 230V, Dold

MK9052 - Thermistor motor protection relay 1 input for thermistors or bi-metallic contacts Wire breakage detection in the sensor circuit LED for switching status Rest current principle 1 changeover 22.5 mm overall width The MK9052 motor protection relay is used to prevent thermal overloads in motors (for example as caused by high switching frequencies, heavy start-up loads, single phase operation, interrupted cooling, high ambient temperature). Special thermistors (PTC resistors) developed specifically for motor protection are used as temperature sensors. Up to 6 sensors can be switched in sequence; when a fixed resistance level is reached, they cause the output relay of the MK9052 to de-energise. Input Response value/fallback value: ≥3 kΩ / ≤1.8 kΩ Measuring circuit load/voltage Approx. 1 mW / 1.2 V (R=1.5 kΩ) Auxiliary voltage U H 230 Vac, 50 / 60 Hz or 24 Vdc Voltage range U H 0.9 → 1.1 U H Output Contact assignment 1 changeover Response/fallback delay Thermal current 5 A Switching capacity 3 A (as per AC 11, AC 230 V) Voltage range U H 0.9 → 1.1 U H
New items
RM17UBE16, Schneider Electric

RM17UBE16, Schneider Electric

RM17 U Series Voltage Control Relay Schneider Electric RM17 U single-phase and direct current voltage control relays that monitor over-voltage and under-voltage, with or without memory, or that operate in window mode. The overvoltage and undervoltage threshold values are adjusted via two graduated potentiometers that directly read the Un being monitored. Checks its own power supply Clear hinged front cover LED display of output status DIN Rail mounting Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Approvals UL, CSA, GL, C-Tick, GOST Standards NF EN 60255-6 and IEC 60255-6 Schneider Electric Voltage, Current, Phase & Motor Protection
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We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Monitoring Relays and all others.
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