Best Current Switches of 2026

The Dwyer® Miniature Current Switch, MCS-111050, is a self-powered device with a range of 0.5 to 50 A continuous. It has a UL 94V-0 flammability rated ABS enclosure and can operate in temperatures ranging from 32 to 122°F (0 to 50°C) and humidity levels of 10 to 95% (non-condensing). Its response time is quick, making it a reliable choice for current switches.

The RIBXKTF Current Switch by RIB is a solid core fixed switch with a range from 0.25 to 150 Amp. This current switch allows you to monitor electrical currents easily. The solid core design ensures durability and reliability. Being a fixed switch means it's set at a specific range, eliminating the need for constant adjustments. With a capacity of 0.25 to 150 Amp, it covers a wide range of electrical applications efficiently.

This current switch offers dual function monitoring of current and motor start/stop, with 100% solid-state output and a polarity insensitive output for easier wiring. It also comes with a snap-in mounting bracket for simplified installation and is compact enough to fit in tight enclosures.

The FEARLIE Current Sensor offers precise current detection from 0.2 to 50A, making it ideal for accurate electrical monitoring. Its ability to work with various waveforms ensures you get reliable readings no matter the signal type. With a quick response time under 200 milliseconds, you can count on fast action to protect your equipment from electrical issues. Plus, it runs on electromagnetic induction without needing an external power source, enhancing safety and reducing setup complexity. This sensor’s strong resistance to interference and overload means you get dependable performance even in challenging industrial environments.

The AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Open) is an advanced switch output detection, monitoring and protection alarm type product designed for safe and convenient current monitoring or detecting of electric equipment. It uses the electromagnetic mutual inductance principle of current, and has high accuracy, stable performance and long service life. It is widely used in various industrial control equipment, frequency control device, inverter device, electrolytic plating, street lamp monitoring, coal mine and other industries.

The FEARLIE F007 Current Switch offers precise current measurement from 0.2 to 50 amps, helping you monitor electrical systems accurately no matter the waveform type. Its wide sensing range lets you detect various current signals, including pulses and peaks, making it highly adaptable for different setups. With a fast response time of under 200 milliseconds, it quickly reacts to current changes, enhancing safety and control in your automated equipment. Plus, it’s self-powered using electromagnetic induction, so there’s no need for external power, giving you a safer and more reliable sensor that resists interference and can handle overloads with ease.

The Nuofany High Voltage Switch is designed for easy remote control of electronic devices like drones or water pumps. It uses a simple two-level remote switch to turn your device on or off, making operation straightforward. The built-in LED indicators help you know the switch status at a glance, with slow flashing showing no output and long flashes indicating active output. This switch supports a wide voltage range from 3V up to 30V, giving you flexibility for various applications. Plus, it handles high current up to 20A, so you can trust it for powerful devices without worry.

The Veris H608 Current Switch is a versatile device designed for monitoring and controlling electrical currents. With a frequency range of 50 to 60 Hz, it can effectively handle a wide range of power systems. The temperature range of 5 to 140 degrees F ensures reliable performance in various environments. Equipped with a 1 Amp status output, this current switch provides accurate readings for easy monitoring. Its humidity range of 10 to 90 percent (non-condensing) makes it suitable for both indoor and outdoor applications. Additionally, the Veris H608 Current Switch has LED status lights that indicate the applied voltage. Whether you need to measure current in industrial settings or residential installations, this current switch offers convenience and reliability.

The Loulensy Current Switch is a versatile device that allows you to easily turn on AC or DC devices when a specific input current is sensed. With an input range of 0-200A AC, this switch is suitable for a wide range of applications. The fixed trigger point of 1.5A ensures accurate and reliable operation. The switch has a fast response time of 250mS or shorter, allowing for quick activation of devices. Its compact size and ABS plastic housing make it durable and easy to install. The Loulensy Current Switch is UL&CSA, CE&Rohs Listed, ensuring high quality and safety. With its self-powered design, it requires no external power supply, offering convenience and flexibility. Whether you need to control AC or DC devices, the Loulensy Current Switch is a reliable and efficient choice.

The Dwyer Current Switch is designed to monitor electrical currents up to 200 Amps AC, making it ideal for various applications where current sensing is needed. It features a normally open NPN output, which allows for easy integration with control systems, giving you reliable signal feedback. The device operates effectively in environments with humidity levels from 0 to 95%, so you can trust its performance in most indoor settings without worrying about moisture damage. Its ABS plastic housing is UL rated for flame resistance, ensuring durability and safety. With these features, the Dwyer Current Switch offers dependable current monitoring with user-friendly installation and lasting protection.