20 Of Best Current Switches In 2024

TOP 1

Current Switch, Self-Powered Current Sensing Switch SZC25-NO-AL-CH AC 0.5-50A Adjustable Normally Open Current Sensing Relay

ViaGasaFamido
2.56 x 0.98 x 1.89 inches
0.13 pounds

Our Score

4.95

Product Features

[Principles Of Operation] This Ac Current Sensing Switch Is Designed And Manufactured To Help With Ac Current Monitoring. It uses the mutual inductance principle to sense the ac current through the ac, isolate the ac current, and output a normally closed switching signal to control a variety of automated chemical equipment.
[Extremely precise]
[Wide Application] Used in Substations, Frequency Conversion Speed Control Devices, Inverters, Electrolytic Plating, Electric Locomotives, Street Lamp Monitoring, Coal Mines, and Other Automation Industries That Require Current Monitoring. It's a great option for monitoring automated industrial equipment and retail stores.
[Self- Self-Powered Sensing Switch] Self-Powered Sensing Switch is a self-powered sensing switch that Powered, with no need for an external power source, and with a high-capacity lithium-ion battery. Non-Power Mos Tube Power Mos Tube Electronic Switch with Contacts The current required for operation is 0. The Potentiometer Can Adjust The 50A Ac.
[Response in a Hurry] Through- Isolation withstanding voltages up to 2000V, thanks to a heart structure design.
TOP 2

AC Current Sensing Switch Adjustable Current 0.2~30A Flameproof ABS Self-Powered Sensing Switch Users Manual

Walfront
1.97 x 1.57 x 1.18 inches
0.15 pounds

Our Score

4.9

Product Features

Stable Performance with High Accuracy - It Has The Advantages Of High Accuracy, Stable Performance, And Long Service Life When Compared To Traditional Devices, Thermal Protectors, And Other Devices. Installation Form: 35 Mmdin Guide Rail
Control of Automation Equipment - Control various industrial automation equipment, such as flashlights, buzzers, relays, microcontrollers, and other electrical load devices. For automated industrial equipment and power monitoring, this is an excellent choice.
Current Monitoring - Applied In Industries Substations, Frequency Conversion Speed Control Devices, Inverters, Electrolytic Plating, Electric Locomotives, Street Lamp Monitoring, Coal Mines, and Other Automation Industries That Require Current Monitoring
Mutual Inductance Of Current In Electromagnetic Fields - The Advanced Output Detection, Monitoring, And Protection Alarm Products Developed By The Non-Profit Organization Using The Principle Of Electromagnetic Mutual Inductance Of Current Technology for Power Supply Is Being Used
Current Detection with Convenient Monitoring - The Current Sense Switch is used to monitor or detect current in electrical equipment in a safe, simple, and convenient manner. Diameter of the Threading Hole 8Mm. Material of Shell: Abs that is resistant to fire
TOP 3

Dwyer Miniature Current Switch, MCS-111050, Solid Core.5 to 50 A Continuous

Dwyer
0.03 pounds

Our Score

4.8

Product Features

Requires a lot of power: None, Self-contained Powered
Range: A continuous range of 5 to 50.
Limits of Temperature: Temperatures range from 32 to 122 degrees Fahrenheit (0 to 50 degrees Celsius). Limits on Humidity: 10 95% (Non-Non-Non-Non- Non-Non-Non-Non-Non- Condensation)
Time to Respond:
Rating of the enclosure: Ul 94V- Abs with a flammability rating of 0 and an insulation class of 600 V.
TOP 4

Loulensy AC Current Switch Transducer Input 0-200A Switching Max 1A@240V AC

Loulensy
2.76 x 1.10 x 3.50 inches
0.22 pounds

Our Score

4.75

Product Features

The frequency is as follows: 400Hz
When the input current is detected, it turns on the ac devices.
Ulrich
Point of Activation: Continuous current of 200 amps
Response Time: 250 milliseconds or less
Requires a lot of power: Neither,Self- Powered
Temperature of Operation: The temperature is 70 degrees Celsius.
Temperature of Operation: Temperatures range from 30 to 70 degrees Celsius.
Humidity at Work: 95%(Non- Condensation)
Maximum Switching Power: 1 amp @ 240 volts alternating current
Ranges of input: 200A Ac
Diameter of the hole: 20Mm
Rating of the enclosure: ul,94 V- Housing is made of ABS plastic and is rated for flammability.
a size of (L*H*W) = 89*70*28 Mm
TOP 5

Current Sensing Switch Normally Open Current Sensing Switch Adjustable AC 0.2-30A SZC23-NO-AL-CH

YWBL-WH
2.56 x 1.97 x 0.98 inches
0.13 pounds

Our Score

4.7

Product Features

Currently in action 0 30 amps ac, potentiometer-adjustable
Self- There is no need for an external power supply because the device is powered.
The switch has no limit on how many times it can open and close, and it has a reaction time of Ms.
The Working Status Of The Switch Can Be Indicated By A Led Indicator In A Convenient And Intuitive Way.
High- Electronic Switch for Power Mos Tubes with No Contact
TOP 6

AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch

YWBL-WH
1.97 x 2.56 x 0.98 inches

Our Score

4.7

Product Features

Advanced Switch Output Detection, Monitoring, And Protection Alarm Type Products Are Adopted Without Using Power Supply Technology Using The Electromagnetic Mutual Inductance Principle Of Current.
Control of a variety of automatic industrial control equipment, such as a flasher, buzzer, relay, single chip, or other power load equipment
Substations, Frequency Control Devices, Inverter Devices, Electrolytic Plating, Electric Locomotives, Street Lamp Monitoring, Coal Mines, and Other Industries That Require Current Monitoring Automation
The Present Situation – The Sensing Switch Is Used To Monitor Or Detect The Current Of Electric Equipment In A Safe And Convenient Way. For automatic industrial control equipment and electric power monitoring, this is an excellent choice.
It has the advantages of high accuracy, stable performance, and long service life when compared to traditional transformers and thermal protectors.
TOP 7

Normally Open Current Switch Adjustable Isolation The AC Current Monitoring Current Detection Protection AC 0.2-30A SZC23-NO-AL-CH

Hyuduo
2.56 x 1.97 x 0.98 inches

Our Score

4.6

Product Features

The Switch Does Not Limit The Number Of Opening And Closing, The Reaction Speed Reaches Ms Level, And The Led Indicator Can Indicate The Switch's Working State. Convenient And Intuitive: The Switch Does Not Limit The Number Of Opening And Closing, The Reaction Speed Reaches Ms Level, And The Switch's Working State Can Be Indicated By The Led Indicator.
Simple to Work With: The Current Sensing Switch Is Self-Contained Powered, requires no external power supply, and operates at a temperature of 0 degrees Celsius. With a potentiometer, it can be adjusted to 30A AC.
Used a lot: It can be used for ac current measurement and monitoring, ac motor overload protection, and an electronic switch in an automatic control system.
Exceptional: High- Non-Power Mos Tube Power Mos Tube The Contact Electronic Switch's Outer Casing Is Made Of Self-Adhesive Plastic. Material for Extinguishment Abs.
On Time And Accurate: A Straight-Through Switch Is What Current Switches Are Made Of. Through Structure Design With Isolation With Voltages Up To 2000V And Hysteresis Of Less Than 1% Hysteresis Of Less Than 1% Hysteresis Of Less Than 1% It can be used in situations where there is a lot of magnetic field.
TOP 8

Dwyer Current Switch, CCS-221100, Split Core

Dwyer
0.20 pounds

Our Score

4.6

Product Features

Limits on Humidity: 0 to 95% (Non-Profit) (Non-Profit) (Non-Profit) (Condensation).
Output: Npn, Npn, Npn, Npn, Npn, Npn
Range: Amps range from 0 to 200 amps in AC.
Rating of the enclosure: Ul, 94 V- Abs Plastic Housing, O Flammability Rated.
Approvals include: Ce, Cul, and Ul are three words that start with the letter Ce and end with the letter
TOP 9

Johnson Controls CSD-CF0A0-1 Series CSD Digital Output Current Switch

Johnson Controls
CSD-CF0A0-1

Our Score

4.55

Product Features

100% Consistent There are no moving parts in the state output, so it can't break down.
Current, as well as motor start and stop, are both monitored by this dual-function device.
Snap- Installation is made easier with the use of a mounting bracket.
The small size allows it to fit into small spaces.
It's easier to wire because the output isn't polarity sensitive.
TOP 10

AC Current Switch SZC03-NC-AL-CH Adjustable Current Sensing Switch

Walfront
3.54 x 2.56 x 0.98 inches
0.18 pounds

Our Score

4.55

Product Features

Excellent performance: The switch can open and close without restriction, and the reaction time is measured in milliseconds, resulting in a fast response time and low power consumption.
Exceptional: The Current Sensing Switch's Shell Is Made Of Self-Adhesive Plastic. Long-lasting ABS material that is both durable and safe to use. It's Straight-Ahead. Isolation Withstands Voltage Up To 2000V Through Structure Design, Making It Powerful And Reliable. Hysteresis Is Lower Than 1% And Can Be Used Under Strong Magnetic Conditions Hysteresis Is Lower Than 1% And Can Be Used Under Strong Magnetic Conditions Can Be
Wide Range of Use: The Switch Is Frequently Used In Substations, Variable Frequency Speed Control Devices, Inverter Devices, And Other Electric Equipment For Current Monitoring.
Easy to use: The High- The Power Mos Tube Contactless Electronic Switch Has A Led Indicator That Can Easily And Intuitively Indicate The Switch's Working Status.
It can be adjusted: This Potentiometer-Adjustable Switch Is Self-Contained There is no need for an external power supply because the device is powered. Currently in action 0 200A Ac.
TOP 11

CR Magnetics CR9380-NPN NPN Transistor Output Split Core Current Switch

CR Magnetics
0.15 pounds

Our Score

4.5

Product Features

An Aperture is used to route current-carrying wire.
Monitoring Current Flow With A Current Switch
Self- Designed to Run on Its Own Power
For Hazardous Substances, Rohs Compliant
Normally Open (No) Switch that is electrically isolated
TOP 12

Loulensy AC Current Switch Transducer Input 1.5A-200A Switching Max 0.3A@135V AC/DC Split Core

Loulensy
2.76 x 1.10 x 3.50 inches
0.22 pounds

Our Score

4.5

Product Features

The frequency is as follows: 400Hz
When an input current is detected, it turns on ac or dc devices.
Ulrich
Point of Activation: fixed at number one
Response Time: 250 milliseconds or less
Requires a lot of power: Neither,Self- Powered
Temperature of Operation: The temperature is 70 degrees Celsius.
Temperature of Operation: Temperatures range from 30 to 70 degrees Celsius.
Humidity at Work: 95%(Non- Condensation)
Maximum Switching Power: 3 amps @ 135 volts ac/dc
Ranges of input: 200A Ac
Diameter of the hole: 20Mm
Rating of the enclosure: ul,94 V- Housing is made of ABS plastic and is rated for flammability.
a size of (L*H*W) = 89*70*28 Mm
TOP 13

Eboxer Miniature Current Switch, 0.2 to 30A Flameproof Adjustable AC Current Sensing Switch

eboxer-1
3.94 x 3.15 x 1.18 inches
0.14 pounds

Our Score

4.45

Product Features

Exceptional Results: It Has The Advantages Of High Accuracy, Stable Performance, And Long Service Life When Compared To Traditional Devices, Thermal Protectors, And Other Devices.
Sensing Switch of High Quality: Control various industrial automation equipment, such as flashlights, buzzers, relays, microcontrollers, and other electrical load devices.
Suitable for a wide range of situations: Widely used in substations, frequency conversion speed control devices, inverter devices, electrolytic plating, electric locomotives, street lamp monitoring, coal mines, and other automation industries that require current monitoring.
Simple And Safe: The Current Sense Switch is used to monitor or detect current in electrical equipment in a safe, simple, and convenient manner.
Technology of the Future: The Advanced Output Detection, Monitoring, And Protection Alarm Products Developed By The Non-Profit Organization Using The Principle Of Electromagnetic Mutual Inductance Of Current The use of power supply technology has been adopted.
TOP 14

Veris,Current Switch,Micro,Split-Core

Veris
H300
1.56 x 1.68 x 1.08 inches
0.13 pounds

Our Score

4.4

Product Features

Applications include: Monitoring the status of electrical loads, both on and off. Direct-Drive Units, Exhaust Fans, and Other Fixed Loads are all under constant surveillance. Checking the status of direct-drive fans, pumps, and process motors, as well as the lighting run time. For Direct-Drive Units, Unit Vents, Fan Coil Units, Exhaust Fans, And Other Fixed Loads, More Reliable For Status Than Relays Across Auxiliary Contactsideal Excellent for the status of lighting. Relays that operate at a lower voltage are less expensive than those that operate at a higher voltage. Low 0.
Hawkeye 300 Go/No Go Current Switches Are An Economical Way To Monitor The Status Of Unit Vents, Exhaust Fans, Recirculation Pumps, And Other Fixed Loads Where Belt Loss Isn't An Issue.
Saves Panel Space 100% Solid- There are no moving parts in this state, so nothing can go wrong. Output that is unaffected by polarity A one-year warranty is included.
(Not Intended To Detect Belt Loss.) Ideal For Small Exhaust Fans The installation is made easier with the removable mounting bracket. Fans, pumps, and motors should all be checked on a regular basis. Split- For a quick retrofit installation, this is the most important component. For Tight Enclosures, Micro Housing
15A Turn-
TOP 15

CR Magnetics CR9321-LC-ACA Current Switch 240V AC

CR Magnetics
23.00 x 16.00 x 18.00 inches
1.00 pounds

Our Score

4.3

Product Features

This item is brand new and comes with all of the original packaging.
TOP 16

Johnson Controls CSD-SA1E1-1 Current Sensing Relay

Johnson Controls
CSD-SA1E1-1

Our Score

4.3

Product Features

100% Consistent There are no moving parts in the state output, so it can't break down.
Current, as well as motor start and stop, are both monitored by this dual-function device.
Snap- Installation is made easier with the use of a mounting bracket.
The small size allows it to fit into small spaces.
It's easier to wire because the output isn't polarity sensitive.
TOP 17

63A 3P Automatic Transfer Switch

YWBL-WH

Our Score

4.25

Product Features

Safety: This transfer switch has both an overload and a short-circuit function, as well as the ability to output a closed signal. Exceptional Safety
Exceptional: Automatic Dual Power Supply Switching of High Quality, Strong Anti- High Precision And Interference Capability
Small size, high breaking strength, short arc, compact structure, and attractive appearance
Application Scope: This Power Switch Is Typically Used In Hospitals, Stores, Banks, Metallurgy, and High-Voltage Applications. Power Outages Are Not Allowed In High-Rise Buildings, Military Facilities, Or Other Important Occasions.
Noiseless operation, energy savings, ease of installation, simple operation, and consistent performance are all advantages of this product.
TOP 18

Veris H600 Mini Split-Core Go/No Go Current Switch

Veris

Our Score

4.2

Product Features

Black
2X3X4"
TOP 19

TPI 2SW 2 Speed Wall Switch and Plate

TPI

Our Score

4.2

Product Features

Dimensions of the package 2 L X 12. 4 H X 8. 5 watts (in centimeters)
For Use With A Whole House Fan With A Belt Drive
Count of Units:
Designed in the United States
TOP 20

PRINCE CASTLE Power Switch 78-219S

Prince Castle
171-1127
0.05 pounds

Our Score

4.1

Product Features

Switching On and Off
Castle of the Prince
Exceptional
Dpst
219S