10 Best Current Monitoring Relays
#1 Best Pick
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.2-2A,AC/DC24V~240V)
Brand: GAEYAELE
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- 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.
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#2 Best Value
QANYEGN Current Sensing Switch, AC Current Isolation Monitoring, Adjustable AC Sensing Switch, 0.2 to 30A SZC23 NO AL CH for Currents Measurement and Monitoring
Brand: QANYEGN
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- ADVANCED AC CURRENT SENSING TECHNOLOGY: Our SZC23 series AC current sensing switch utilizes innovative mutual inductance principles to accurately and reliably monitor AC straight through currents. With its high accuracy measurement capabilities, this switch is ideal for applications requiring precise current detection and monitoring.
- FLEXIBLE AND TUNABLE ACTION CURRENT: The tunable feature of our switch allows for seamless adjustment of the action current from 0.2A to 30A AC. This flexibility ensures compatibility with a wide range of automation industrial equipment, providing reliable control over various power load devices such as flashlights, buzzers, relays, and more.
- ENHANCED EFFICIENCY AND COST SAVINGS: By replacing traditional transformers and thermal protectors with our adjustable current sensing switch, businesses can achieve higher accuracy, timeliness, and cost savings. The self powering capability of this switch eliminates the need for external power sources, simplifies the design process, and reduces overall project costs.
- ROBUST DESIGN AND VERSATILE APPLICATIONS: Equipped with a high power MOS tube contactless electronic switch, our current sensing switch offers exceptional durability and reliability. Its compact and sturdy ABS casing ensures protection against harsh environments and guarantees long lasting performance.
- USER FRIENDLY FEATURES FOR EASY MONITORING: The SZC23 series current sensing switch comes complete with user friendly features such as an LED indicator that provides convenient and intuitive working status indication. Additionally, the switch has no limitations on the number of opening and closing cycles, offering unmatched versatility.
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#3 Budget Pick
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.8-8A,AC/DC24V~240V)
Brand: GAEYAELE
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- 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.
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#4 Top Choice
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.5-5A,AC/DC24V~240V)
Brand: GAEYAELE
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- 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.
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#5 Popular Choice
Domary DC 6-80V Voltage Monitoring Relay, Time Delay Charging Discharge Controller Module with 4 Operating Modes, for Voltage Control Timer, Battery Overvoltage Protection
Brand: Domary
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- [Precise Voltage Detection] Equipped with a voltage detection channel and relay switch output for accurate monitoring and control in charging, discharging, and conservation applications.
- [Customizable Delay Settings] Supports on and off delay modes with an adjustable delay time from 0s to 999s for precise control.
- [Wide Application] Suitable for voltage monitoring, overvoltage and undervoltage protection, and various other fields due to its high-quality abs material and blue color design.
- [Multiple Operating Modes] Features p-1 to p-4 settings including relay close delay time, voltage control timers, and voltage range control for flexible functionality.
- [Efficient and Versatile] Operating power ranges from dc 6 to 80v with a load of 30a, ac or 30v dc. fast response times enhance efficiency.
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#6 Top Pick
Badafaci 3-Phase Monitoring Relay 208-480VAC Current Voltage Monitoring Relay Phase Sequence Protector
Brand: Badafaci
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- DPA51CM44 3-Phase monitoring relay features strong anti-interference performance
- Compact size and convenient for installation
- Maintain constant and efficient work of the motor
- Widely used in motor protection, elevator, air conditioning system, power system and other industries
- 3-phase monitoring relay for phase sequence and phase loss
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#7 Top Pick
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(1.6-16A,AC/DC24V~240V)
Brand: GAEYAELE
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- 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.
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#8 Top Pick
AKLOSIPY DC Current Detection Module Relay Switch Sensor with Digital Display for Motor Control 7-30V 10A
Brand: AKLOSIPY
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- Control - This advanced DC current detection module features an intelligent relay switch that automatically connects and disconnects the line when current levels are too high or too low. By providing real-time power management, you can be confident that your devices are protected from damage, while receiving accurate signaling to performance effectively.
- Wide Detection - Capable of conveniently detecting DC voltages ranging from 7 to 30V and currents between 0 to 10A, this versatile module ensures comprehensive monitoring of your electrical systems. Its detection voltage is equivalent to the input power voltage, which means you receive accurate readings every time, enhancing your overall project reliability and efficiency.
- Practical Calibration - Featuring an innovative error calibration function, this module allows users to calibrate readings for maximum accuracy. Additionally, the digital display can be turned off for extended periods to conserve power, making it an choice for -term monitoring without sacrificing functionality and effectiveness.
- High - With an impressive accuracy rate of up to 0.01A, this current detection module minimizes errors and ensures precise measurements. This high of accuracy not only enhances your workflow but also enables easier analysis and decision-making, making it a tool for both hobbyists and professionals.
- User-Friendly Display - The clear digital display offers an easy-to-read view of your work status, eliminating guesswork and simplifying monitoring tasks. Coupled with straightforward operational design, this module helps stalling and streamlines your projects, allowing you to on the task at hand without any distractions.
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#9 Top Pick
DC Current Detection Module Relay Switch Sensor Digital Display Motor Control for Monitoring 12V Circuits
Brand: Mingzhe
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- [Accurate Detection] Detects dc 7‑30v current up to 10a with a high accuracy of 0.01a, minimizing errors for precise applications.
- [Simple Operation] Easy-to-use design prevents stalling, promoting smooth functionality in various applications.
- [Error Calibration Function] Includes an error calibration feature and the option to turn off the display, reducing power consumption for prolonged use.
- [Clear Digital Display] Offers a clear view of work status for easy monitoring, enhancing efficiency and preventing operational issues.
- [Efficient Current Monitoring] When the current exceeds set limits, the relay switch controls circuit connectivity, ensuring safe operation.
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#10 Top Pick
GEYA Current Monitoring Relay Overcurrent Undercurrent Protection Relay(0.1-1A,AC/DC24V~240V)
Brand: GAEYAELE
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- 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.
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