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.
SaleNo. 1
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.
−9%
$19.99
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No. 2
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.
$14.24
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No. 3
AC Current Sensing Switch, Adjustable Self-Powered Sensing Switch Normally Open Amp Sensor Monitoring Relay for Automated Equipment (0.2-30A)
- Accurate and Reliable: AC current sensing switch provides induction range and general solid-state output with current range of 0.2-30A. Its measurement accuracy is better than 1%, which is suitable for the measurement of any waveform
- Wide Measuring Range of Current Sensor: Miniaturization current switch can measure the current and voltage of any waveform, such as DC, AC, pulse, triangular waveform, etc., and can faithfully reflect even the transient peak current and voltage signals
- High Response Speed: Flameproof adjustable AC current sensing switch will immediately close a group of contacts once current is detected. Response time: ≤ 200ms, the extremely high response speed also adds another layer of guarantee to the safety performance of flameproof adjustable AC current sensing switch
- High Safety: Self powered sensing switch for automated industrial equipment uses the electromagnetic induction principle of current and adopts advanced output detection, monitoring, protection and alarm products developed by non power supply technology. At the same time, it has wide frequency band, strong anti-interference ability and strong overload ability. A series of guarantees escort the safety of self powered sensing switch for automated industrial equipment
- Wide Scope of Application: Adjustable isolation AC current switch is applicable to substation, variable frequency speed regulation device, inverter device, electroplating, electric locomotive, street lamp monitoring, coal mine and other automation industries requiring current monitoring. NC / no current switch can control various automatic industrial equipment, flashlight, buzzer, relay, microcontroller or other electrical load devices
$18.69
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No. 4
Current Sensing Relay AC Current Sensing Switch 0-30A Normally Open Amp Sensor Monitoring Relay (M3050)
- Normally open current sensor: when the perforation line current exceeds the set value, the red light is on and the output signal is a closed; when the current is below the set value, the green light is on and the switch is open
- Mutual inductive current monitoring, safety isolation of input and output, self-current monitoring
- The range of the monitored current is up to 30 A, the monitoring threshold is adjustable
- Hysteresis is less than 1%. It can be used in devices to monitor strong magnetic environment.
- Non-contact electronic switch with fast response and unlimited number of on and off operations
No. 6
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.8-8A,AC/DC24V~240V)
- Adjustable delay 0.5-10s to eliminate short current peaks.
- Flexible adjustment by potentiometer, choice of 6 ranges:AC0.05-0.5A; AC0.1-1A; AC0.2-2A; AC0.5-5A; AC0.8-8A; AC1.6-16A
- Possible to use for current scanning from current transformer.
- Universal supply AC/DC24-240V.
- Relay status is indicated by LED.1-MODULE,DIN rail mounting.
No. 7
Vanky Industry PILZ S1IM 24VDC IM 0.01-15 A 828010 Current Monitoring Relay New
- Current monitoring relay for monitoring max. current values; 12 measuring ranges 0.01 - 15 A selectable; 0, 40 - 400 Hz; Width: 22.5 mm; UB 24 V DC.
No. 8
DPA51CM44 3 Phase Monitoring Relay Current Voltage Monitoring Relay Phase Sequence Protector 208-480VAC Phase Sequence Protector with Indicator for 3 Phase Motor
- Small Size: This 3-Phase Monitoring Relay has a small compact size for easy and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place
- Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor , elevator, air conditioning system, power system and other industries, very helpful tool during daily life
- Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process
- 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence
- LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful
$24.85
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No. 9
Current Sensing Switch, Normally Open Amp Sensor Monitoring Relay AC 0.2‑30A Adjustable SZC23 NO AL CH
- 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. Hysteresis is less than 1% and can be used under strong magnetic conditions. SZC23 series AC current sensing switch is designed to solve the AC current monitoring
- Self-powered, no external power supply required. 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 ABS material. Straight-through structure design, isolation withstand voltage up to 2000V.
- Suitable for AC current measurement and monitoring, AC motor overload , electronic switch of automatic control system and so on.
$18.93
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Last update on 2025-04-02 / Affiliate links / Images from Amazon Product Advertising API