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Monitoring Relays

What are Control 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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Crouzet
Rohs Verified
84873222, Crouzet
15 In Stock
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1 +
£ 130.46
5 +
£ 123.94
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£ 117.42
Crouzet
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84873220, Crouzet
13 In Stock
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£ 142.64
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£ 135.51
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£ 128.37
Rohs Verified
MLD4BS, GIC
8 In Stock
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1 +
£ 53.66
3 +
£ 51.48
Rohs Verified
5SV8000-6KK, Siemens
2 In Stock
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1 +
£ 281.55
Rohs Verified
MAC04D0100, GIC
28 In Stock
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£ 48.24
5 +
£ 46.75
10 +
£ 44.78
Rohs Verified
PMA50A480, Lovato
2 In Stock
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£ 246.18
Rohs Verified
K8AK-VW2 24VAC/DC, Omron
1 In Stock
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£ 109.50
5 +
£ 105.06
Rohs Verified
K8AK-VW3 100-240VAC, Omron
5 In Stock
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£ 109.50
5 +
£ 105.06
Rohs Verified
MK9040N.12/001 3AC50/60Hz 400V, Dold
2 In Stock
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£ 150.57
Rohs Verified
TR4801-02-24VAC/DC, Tempatron
2 In Stock
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£ 120.97
5 +
£ 116.01
Rohs Verified
K8AK-AS2 24VAC/DC, Omron
2 In Stock
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1 +
£ 97.70
5 +
£ 93.74
Rohs Verified
K8DT-AS3CA, Omron
1 In Stock
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£ 98.90
Rohs Verified
TR4801-01-24VAC/DC, Tempatron
10 In Stock
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£ 120.97
5 +
£ 116.01
Rohs Verified
IK9179.11 3AC50/60Hz 400V, Dold
1 In Stock
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£ 78.31
Rohs Verified
E1UM230V01, Tele
7 In Stock
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£ 152.16
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£ 147.60
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£ 143.03
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MK9055N.12 1-120.000IPM UH=AC230V+DC24V, Dold
2 In Stock
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£ 219.98
3RS1040-1GW50, Siemens
1 In Stock
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£ 357.91
Carlo Gavazzi
Rohs Verified
DUB02CT23, Carlo Gavazzi
14 In Stock
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£ 133.24
Carlo Gavazzi
Rohs Verified
DUB03CW24, Carlo Gavazzi
2 In Stock
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£ 147.20
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LVM20A240, Lovato
16 In Stock
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£ 66.07
Carlo Gavazzi
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DPB01CM44, Carlo Gavazzi
2 In Stock
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£ 146.71
Carlo Gavazzi
Rohs Verified
DTA71CM24, Carlo Gavazzi
1 In Stock
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£ 64.67
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LR44/2 100-230V AC/DC, Broyce Control
10 In Stock
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£ 48.61
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184790 EMR6-I1-A-1, Eaton
5 In Stock
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£ 218.35
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184779 EMR6-W500-D-1, Eaton
20 In Stock
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£ 205.22
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DIB01CB235A, Carlo Gavazzi

DIB01CB235A, Carlo Gavazzi

Over Voltage - Over Current Monitoring Relay Monitoring relays from Carlo Gavazzi can also be used as 1-phase or 3- phase over current monitoring relays when connected with MI or MP current transformers.Owing to the built-in latch function, the ON-position of the relay output can be maintained. The red LED indicates the alarm status. AC/DC over voltage monitoring relay Selection of measuring range by DIP-switches Measuring ranges: 2 to 20 VAC/DC, 5 to 50 VAC/DC, 20 to 200 VAC/DC, 50 to 500 VAC/DC, 0.4 to 4 Vp AC Adjustable voltage limit on relative scale Adjustable hysteresis Programmable latching at set level Output: 8 A SPDT relay normally de-energized LED indication for relay and power supply ON Galvanically separated power supply Panel and screw termination options available
New items
45200 230VAC, Broyce Control

45200 230VAC, Broyce Control

45200 Thermistor Relay The unit is for use with equipment that has in-built thermistors to DIN 44081 and will monitor up to 6 thermistors in a chain. When the resistance of the thermistors rise above the release level, or a short circuit is detected, the relay will de-energise. When the reset level is reached the relay will energise once again. If Y1 and M are linked together the unit remains latched until the reset button is either pressed or the link or the supply is removed. Thermistor over-temperature Thermistor short circuit Thermistor open circuit Additional features: Latching facility - selectable Test facility LED indication Monitors up to 6 thermistors Write-on ID tab Dimensions: H78 x W45 x D99mm Broyce Economical Range LED indication DIN rail mount with SPDT relay outputs and flame retardant to UL94 V0 Supply voltage variation range: 0.85 - 1.15 x U n Operating temperature range: -20 to 60°C ( 629-831 and 629-847 : -10 to +55°C) Electrical life: 1.5 x 10 5 operations at rated load Note Output relay contact rating specified at 250Vac
New items
184779  EMR6-W500-D-1, Eaton

184779 EMR6-W500-D-1, Eaton

Eaton Phase and Voltage Monitoring Relay The Eaton phase and voltage monitoring relay is an ideal protection device for a wide range of switchgear applications. Monitoring a 3 phase power supply is extremely 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 phase sequence, phase imbalance, phase failure, 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 • Monitoring machine temperatures • process control engineering • Residential facilities Certifications • CCC approved • CSA certified • GL certified • IEC certified • IP20 rating protection for terminals • IP50 rating protection for enclosure • UL approved
New items
184765  EMR6-AWM580-H-1, Eaton

184765 EMR6-AWM580-H-1, Eaton

The EMR6 measuring and monitoring relays are designed for a wide range of switchgear applications. Thanks to their ability to monitor overloads, power fluctuations, phase sequences, machine temperatures and fill levels, the EMR6 relays protect machines and plants and help to prevent unscheduled downtime in production processes. The device has been approved for global use and can therefore be used to monitor plants reliably and seamlessly, anywhere in the world Suitable for universal use, thanks to multi-voltage power supplies Reduced machine downtime and early detection of possible failures during operation The universal, multi-functional devices reduce inventory costs and save time during the equipment selection process An expanded product range with additional functionalities Relays for monitoring machine temperatures
New items
84873222, Crouzet

84873222, Crouzet

M3US 208-480VAC UN-OVER VOLTAGE
New items
84873220, Crouzet

84873220, Crouzet

RELAY MONITOR 3PHASE 220-480V
New items
MLD4BS, GIC

MLD4BS, GIC

GIC Combined Phase Failure & Thermistor PTC Relay Professional thermistor relay with protection againt phase sequence, phase loss and phase asymmetry faults. Monitors and protects motors with integrated PTC resistor sensors Protection against overheating LED indications GIC Supply Monitor Relays
New items
5SV8000-6KK, Siemens

5SV8000-6KK, Siemens

5SV8 Residual Current Monitors Residual current monitors (RCMs) perform a wide range of functions for protecting people and machine, they enable the detection of system malfunctions and facilatate troubleshooting before the protective device is switched off, which increases plant and operating safety, and cuts costs. These residual current monitors control an electrical installation for the presence of an unbalanced residual current and indicate when it exceeds a predetermined level. They can optionally be used for alarming and triggering switching devices.
New items
MAC04D0100, GIC

MAC04D0100, GIC

GIC Phase Failure & Neutral Loss Detection Monitoring Relays Supply monitoring relays with combined phase failure and neutral loss detection. Phase loss failure detection Neutral loss detection Phase reverse detection Phase asymmetry Adjustable over & under voltage trip level LED indication for all failure conditions Automatic recovery on fault removal GIC Supply Monitor Relays
New items
PMA50A480, Lovato

PMA50A480, Lovato

Current Monitoring Relay Pump Protection Single and Three Phase The Lovato range of current monitoring pump protection relays, protect against any dry running with auxiliary AC power supply including singe and three phase systems. Complete with motor under-load and over-current control including direct connection of a maximum up to 16A or by a current transformer. Excellent tripping accuracy and voltage control range of 80 to 660 V ac and 1 relay output with 1 changeover contact SPDT Modular DIN 43880 housing 3 module Excellent tripping accuracy IEC protection: IP40 on front and only when placed in an IP40 enclosure or control board IP20 at terminals Single and three phase system AC maximum current control Delayed trip Auxiliary AC power supply Automatic or manual reset TRMS current measurements Resetting and inhibition input Phase loss and incorrect phase sequence Instant trip Pump Protection Relays Current Monitoring Lovato Orange Contactors, Control Relays and Accessories
New items
K8AK-VW2 24VAC/DC, Omron

K8AK-VW2 24VAC/DC, Omron

Omron K8AK-VS/VW Monitoring Relays Manual resetting and automatically resetting supported by one relay Pre-alarm monitoring mode Compact housings Resistant to high-frequency noise Compliance with global power and safety standards The Omron K8AK series monitoring relays are expertly designed for accurate and reliable monitoring of industrial facilities and equipment. The K8AK-VW/VS relays are ideal for monitoring overvoltages and undervoltages, which the K8AK-VW can do simultaneously. K8AK-VS/VW K8AK-TH K8AK-VS/VW
New items
K8AK-VW3 100-240VAC, Omron

K8AK-VW3 100-240VAC, Omron

Omron K8AK-VS/VW Monitoring Relays Manual resetting and automatically resetting supported by one relay Pre-alarm monitoring mode Compact housings Resistant to high-frequency noise Compliance with global power and safety standards The Omron K8AK series monitoring relays are expertly designed for accurate and reliable monitoring of industrial facilities and equipment. The K8AK-VW/VS relays are ideal for monitoring overvoltages and undervoltages, which the K8AK-VW can do simultaneously. K8AK-VS/VW K8AK-TH K8AK-VS/VW
FAQs
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Yes, we offer special discounts on orders above £200 for Monitoring Relays and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Monitoring Relays.
Yes. We keep updating our stock frequently and if a product like Monitoring Relays is not in stock then we will let you know.