Looking for the best Current Switches?
Discover now our comparison of the best Current Switches. 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 Switches 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 Switches 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. 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 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 , electronic switch of automatic control system and so on.
$19.52
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No. 4
Suncourt SW100 Current Switch
- Turns 120 VAC devices on when input current is sensed
- UL 94-V0 rated for flammability safety
- Item Package Dimension: 4.0" L x 4.0" W x 4.0" H
- Item Package Weight: 1.0 lb
No. 5
Current Sensing Relay AC Current Sensing Switch 0-200A Normally Closed Current Sensor Monitoring Relay (NC200)
- Universal Outputs: Input through current: 0.5-200A AC Rated load: 0.3A@240V AC/DC.
- Accurate & Dependable: Offers a sensing range of 0.5 to 200 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.
$16.69
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No. 6
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.
$20.77
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No. 8
Current Sensing Switch, Normally Open AC Current Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH for AC Current Measurement Monitoring Electronic Switch of Automatic Control System
- 【Adjustable AC Current】Action current 0.2-30A AC, adjustable with a potentiometer. Straight-through structure design, isolation withstand voltage up to 2000V. Self-powered, no external power supply required.
- 【Widely Used】Suitable for AC current measurement and monitoring, AC motor overload , electronic switch of automatic control system and so on. Compared with traditional mutual inductors, thermal protectors and other devices, using this device can not only get more accurate and more timely control, but can also greatly simplify the design and reduce costs.
- 【Quickly Responsive】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. LED indicator can conveniently and intuitively indicate the working status of the switch.
- 【Main Function】SZC23 series 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 straight-through current, isolate the AC current, and output a normally open or normally closed switching to directly control various automation industrial equipment, such as flash, buzzer, relay, single-chip or other power load equipment.
- 【High Performance】The outer casing of the adjustable current sensing switch is made of self-extinguishing material ABS. Hysteresis is less than 1% and can be used under strong magnetic conditions.
$15.25
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No. 9
Jadeshay AC Current Sensing Switch, SZC23-NO-AL-CH Adjustable 0.2-30A Normally Open Self-Powered Current Sensing Switch
- Accurate and Adjustable Sensing: SZC23 series AC current sensing switch allows for easy and precise monitoring of AC currents ranging from 0.2A to 30A. With a built-in potentiometer, users can easily set the desired action current.
- Self-Powered and Reliable: Unlike other current sensing switches on the market, current sensing switch does not require an external power supply. This ensures reliable operation without the need for additional wiring or power sources.
- Intuitive LED Indicator: Integrated LED indicator provides a convenient and visual display of the switch's working status, allowing users to easily monitor and troubleshoot any issues.
- High-Performance Switching: Equipped with a high-power MOS tube electronic switch, SZC23 current sensing switch ensures efficient and contactless switching operations. It can handle numerous opening and closing cycles without any performance degradation and boasts a rapid reaction speed in the millisecond range.
- Robust Design and Versatility: With its straight-through structure design and isolation withstand voltage of up to 2000V, SZC23 current sensing switch can withstand demanding industrial environments. It is suitable for a wide range of applications, including AC current measurement and monitoring, AC motor overload protection, and electronic switch control systems.
$18.89
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No. 10
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
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Last update on 2025-03-12 / Affiliate links / Images from Amazon Product Advertising API