The Best Current Sensing Switches of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Current Sensing Switches of 2022. Check our ranking below.
2,746 (random num) Reviews Scanned
Rank No. #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.
Rank No. #2
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 reaction speed reaches the ms level.
Rank No. #3
Current Sensing Switch, Normally Open Current Sensing Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH
- 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 reaction 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.
Rank No. #4
Current Switch - Normally Open Current Sensing Switch, Adjustable Isolation AC Current Monitoring Current Detection Protection AC 0.2-30A SZC23-NO-AL-CH
- High Quality: High-power MOS tube non-contact electronic switch, the outer casing is made of self-extinguishing material ABS.
- Easy To Use: Current sensing switch is self-powered, requires no external power supply, operates at 0.2-30A AC, and can be adjusted with a potentiometer.
- High Pressure: Current switch is a straight-through structure design with isolation withstand voltages up to 2000V and hysteresis of less than 1%. It can be used under strong magnetic conditions.
- Convenient And Intuitive: The switch does not limit the number of opening and closing, the reaction speed reaches ms level, and the LED indicator can indicate the working state of the switch.
- Widely Used: it is suitable for AC current measurement and monitoring, AC motor overload protection, automatic control system electronic switch.
SaleRank No. #5
Current Sensing Switch Normally Open Current Sensing Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH, JSTXSZ
- 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 reaction speed reaches the ms level
SaleRank No. #6
AC0.5-50A Current Switch,Current Relay,Normally Open Adjustable Current Sensing Switch SZC25-NO-AL-CH
- FEATURE: Current Sensing Switch has the characteristics of high precision, 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 reaction 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.
- WIDE APPLICATION: Current Sensing Switch 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.
Rank No. #7
AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Open)
- Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment.
- Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted.
- Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry.
- Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life.
- The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring.
Rank No. #8
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
Rank No. #9
Current Sensing Switch AC Current Sensor Switch 0.2-50A 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
- Self-powered, no external power supply required，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.
Rank No. #10
Current Sensing Switch/Relay AC Current Sensing Switch 0-50A Normally Closed Current Sensor Monitoring Relay (M3066)
- Multi-Purpose: M3066 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: 0-50A 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 0-50A 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.
Last update on 2022-09-17 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of Current Sensing Switches has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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- Specifications: How powerful they are can be measured.
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- Product Reliability: How sturdy and durable an Current Sensing Switches is should be an indication of how long it will work out for you.
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