The Best Current Monitoring Relays

Looking for the best Current Monitoring Relays?

Discover now our comparison of the best Current Monitoring Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Current Monitoring Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Current Monitoring Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Miniature Current Switch,Current Sensing Switch,with Rails,Normally Open Amp Sensor Monitoring Relay, AC 0-30A Detectable（M3050）

Multi-Purpose: M3050 AC with rails current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-30A AC Rated load: 0.3A@240V AC/DC.
High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design, isolation withstand voltage up to 2000V.
LED Indication: The action current is 0-30A AC, which can be adjusted by the potentiometer. The LED indicator light can easily and intuitively indicate the working status of the switch.
ABS material: High-power MOS tube non-contact electronic switch is used, and the shell is made of self-extinguishing material ABS, which is heat-resistant, acid-alkali-resistant, high impact strength and stable in performance.

No. 2

Current Sensing Relay AC Current Sensing Switch 0-30A Normally Open Current Sensor Monitoring Relay (M3050)

Multi-Purpose: M-3050 AC current sensing switch is specially designed and manufactured to solve AC current monitoring. It uses the principle of mutual inductance to sense AC direct current, isolate the AC current, output normally open or normally closed switch signals, and directly control various automated industrial equipment, such as flash lamps, buzzers, relays, microcontrollers or other power load equipment.
Upgrade: Compared with traditional transformers, thermal protectors and other devices, using this device can not only get more accurate and timely control, but also greatly simplify the design and reduce costs. Self-powered, no external power supply required. Input through current: 0-30A AC Rated load: 0.3A@240V AC/DC.
High Performance: The switch has no limit on the number of times of opening and closing, and the response speed reaches the millisecond level. The hysteresis is less than 1% and can be used under strong magnetic conditions. Through structure design, isolation withstand voltage up to 2000V.
LED Indication: The action current is 0-30A AC, which can be adjusted by the potentiometer. The LED indicator light can easily and intuitively indicate the working status of the switch.
ABS material: High-power MOS tube non-contact electronic switch is used, and the shell is made of self-extinguishing material ABS, which is heat-resistant, acid-alkali-resistant, high impact strength and stable in performance.

SaleNo. 3

CrocSee Miniature Current Switch, CS-TS0, Normally Open Amp Sensor Monitoring Relay, AC 1-50A Detectable

N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
Self-powered, no external power supply required
Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
NOTE: If you want to test the operation of the sensor switch, a load must be applied across the NO contacts; otherwise, it will not work.

No. 4

Heayzoki Normally Open Current Sensing Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH,Current Sensing Relay Switch,Self-Powered, No External Power Supply Required.

【Adjustable Current】Action current 0.2-30A AC, adjustable with a potentiometer.
【LED Indicator】LED indicator can conveniently and intuitively indicate the working status of the switch.
【Warm Tips】Self-powered, no external power supply required.
【Contactless Current Sensing Switch】High-power MOS tube contactless electronic switch.
【Advantages】The switch has no limit on the number of opening and closing, and the speed reaches the ms level.

No. 5

Current Sensing Relay AC Current Sensing Switch 0-50A Normally Closed Current Sensor Monitoring Relay (NC50)

Universal Outputs: Input through current: 0.2-50A AC Rated load: 0.3A@240V AC/DC.
Accurate & Dependable: Offers a sensing range of 0.2 to 50 amps and universal, solid-state outputs; Accuracy: 1%
Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
Mutual inductance current monitoring,security isolatino of input and output,Self-powered,adjustable with a potentiometer.LED indicator can conveniently and intuitively indicate the working status of the switch.
Normally Closed current sensor:Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on.

No. 6

DC Current Switch,Current Sensing Relay DC Current Sensing Switch 0-300A Amp Sensor Monitoring Relay D366

Basic Function:When the piercing current exceeds the set value, the output switch will act Automatically reset when the piercing current is less than the set value.
Set threshold: set the threshold when the perforation current exceeds the threshold, the relay will work, and when the perforation current is lower than the threshold, the relay will reset
Indicator light: the indicator light is off when there is no current, the green light is on when the current is lower than the threshold, and the red light is on when the current is higher than the threshold
Delay adjustment: power-off delay can be set from 0 to 99 seconds, clockwise to increase and counter-clockwise to decrease
Detection range: 0-50A, 6A@240V AC/DC contact capacity

No. 7

AC 0.5-50A Current Sensing Switch,SZC25-NC-AL-CH Current Relay Monitoring,Adjustable Normally Close Current Switch,

100% brand new and high quality.
High , more stable and long service life
It is an ideal choice for automated industrial equipment and store monitoring.
This AC current sensing switch is designed and manufactured to solve the AC current monitoring. It uses the principle of mutual inductance to sense the AC current through the AC, isolate the AC current, and output a normally closed switching to di
Widely used in substation, frequency conversion speed control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other automation industries requiring current monitoring

SaleNo. 8

Current Sensing Switch,SZC03-NC-AL-CH Normally Open Current Sensing Switch,Adjustable AC 0.5-50A,Self-Powered Current Sensing Relay,Monitoring Current Detection Protection

FEATURE: Current Sensing Switch has the characteristics of high , stable performance and long service life. It is an ideal choice for automatic industrial control equipment and power monitoring.
FEATURE: Current Sensing Switch has the characteristics of high , stable performance and long service life. It is an ideal choice for automatic industrial control equipment and power monitoring.
SELF-EXTINGUISHING MATERIAL: The outer casing is made of self-extinguishing material ABS,which has great performance of heat resistance,acid and alkali resistance,high impact strength and stable performance.
HIGH PERFORMANCE: Self-powered, no external power supply required, high-power MOS tube non-contact electronic switch. The operating current of 0.5-50A AC can be adjusted by the potentiometer.The switch has no limit on the number of opening and closing, and the speed reaches the ms level.
AUTOMATION EQUIPMENT CONTROL: This AC current sensing switch is designed and manufactured to solve the AC current monitoring.Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers,single chip,or other electrical load devices.

No. 9

Normally Open Current Sensing Switch SZC23 NO AL CH AC 0.2-30A Adjustable Current Monitoring Relay, Miniature Current Switch Current SensorsSensors

Self-powered, no external power supply required.Action current 0.2-30A AC, adjustable with a potentiometer.
LED indicator can conveniently and intuitively indicate the working status of the switch.Hysteresis is less than 1% and can be used under strong magnetic conditions.
The switch has no limit on the number of opening and closing, and the speed reaches the ms level.The outer casing is made of self-extinguishing material ABS.
High-power MOS tube contactless electronic switch.Straight-through structure design, isolation withstand voltage up to 2000V.
Suitable for AC current measurement and monitoring, AC motor overload protection, electronic switch of automatic control system and so on.

No. 10

Current Sensing Switch, Normally Open Current Sensing Relay Adjustable AC 0.2A -30A (SZC23 No AL-CH Model)

Self-powered, no external power supply required.
Action current 0.2-30A AC, adjustable with a potentiometer.
LED indicator can conveniently and intuitively indicate the working status of the switch.
High-power MOS tube contactless electronic switch.
The switch has no limit on the number of opening and closing, and the speed reaches the ms level.

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Last update on 2024-05-16 / Affiliate links / Images from Amazon Product Advertising API

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