Top Single phase Voltage Relay Reviews

EATON CUTLER HAMMER - XTOB040DC1 - OVERLOAD RELAY

APPLICABLE OCCASIONS: Suitable for power systems with rated isolation voltage up to 690V and circuit 50-60hz..
PRODUCT FUNCTION: This relay can be used as an overload protection for long-term or indirect long-term maintenance of the motor..
FUNCTION: This relay is used for protecting the phase break when the electric motor is overload..
VERSATILE: The relay has different mechanism and temperature compensation..
EASY TO OPERATE: With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button and stop button..

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SSR-100DD Solid State Relay DC to DC (Input 3-32V DC Output 5-60V DC) with Heat Sink, 100A

Model: SSR-100DD, single phase Solid State Relay 100A DC to DC control, CE Compliant to EN60950-1.
Input voltage 3-32V DC, Load voltage 5-60V DC, Max load current 100 Amp.
Rugged epoxy encapsulation construction, high isolation over than 50MΩ(500VDC), high dielectric over than 2.5KV, output snubber circuit protection.
No EMI/EFI & Low surge by Zero Cross Trigger method, specially suited to control sensitive, capacitive and Non-saturated inductive loads.
SSR switches use semiconductor component acts as a switch for the relay, no moving parts inside, no mechanical wear, no action noise, no mechanical failure, and high reliability.

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SSR-25DD Solid State Relay DC to DC (Input 3-32V DC Output 5-60V DC) with Heat Sink, 25A

Model: SSR-25DD, single phase Solid State Relay 25A DC to DC control, UL Approved, CE Compliant to EN60950-1.
Input voltage 3-32V DC, Load voltage 5-60V DC, Max load current 25 Amp.
Rugged epoxy encapsulation construction, high isolation over than 50MΩ(500VDC), high dielectric over than 2.5KV, output snubber circuit protection.
No EMI/EFI & Low surge by Zero Cross Trigger method, specially suited to control sensitive, capacitive and Non-saturated inductive loads.
SSR switches use semiconductor component acts as a switch for the relay, no moving parts inside, no mechanical wear, no action noise, no mechanical failure, and high reliability.

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Siemens 3UG4512-1BR20 Monitoring Relay, Three Phase Voltage, Insulation Monitoring, 22.5mm Width, Screw Terminal, 2 CO Contacts, Delay Time, 160-690 Line Supply Voltage

Convenient Monitoring: The voltage relay can monitor its own operating voltage (true rms measurement)..
High Accuracy: The voltage relay has 8 adjustable rated voltages, and the voltage measurement accuracy is less than 1%..
Application: Equipment protection and control (tower cranes, elevators, agricultural equipment, refrigerated trucks).
LED Indicator: The working status of the voltage control relay is indicated by the LED indicator..
Small Size and Easy to Install: The voltage protection relay is ultra-small and can be mounted on a 35mm DIN rail..

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Relay, NR2-36 Electric Heat Protect Thermal Overload Relay 23-32A Motor Protector Electric Authorized Thermal Accessory

HIGH-QUALITY MATERIALS: We guarantee that all thermal relays are made of high quality materials and have a long service life..
RATED RANGE: This thermal relay can be used in the circuit of 50-60hz, the rated insulation voltage is 690V..
GOOD PROTECTION: The relay is used for protecting the phase break when the electric motor is overload..
HIGH EFFICIENCY: The relay has different mechanism and temperature compensation, with high efficiency and excellent performance..
SPECIFIC FUNCTION: The overload protection relay has phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, stop button..

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3-Phase Voltage Monitoring Relay AC 220-440V Phase Sequence Protection Small Size Protection for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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Voltage Monitoring Relay Phase Sequence Protection TG30S Phase Sequence Relay 3-Phase Mini for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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Voltage Monitoring Relay Protection 3-Phase AC 220-440V Small Size Phase Sequence Protection Phase Sequence Relay for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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TG30S Mini AC 220-440V Voltage Monitoring Relay Phase Sequence Protection Protection 3-Phase Phase Sequence Relay for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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ATO Phase Voltage Monitoring Sequence Relay 1 Phase Voltage Protection Relay Under Over Voltage with 1 CO + 1 NC Contacts AC/DC 24-48V

【Measuring Circuit】Phase sequence protection relay is compatible with AC and DC supply, the rated voltage is AC/DC 24-48V.
【High-quality Product】LCD display indicating voltage, operation and fault status, adjustable reset mode: automatic/manual/automatic with power-on delay reset, fault recording for the lately 3 faults.
【Mutiple Functions】Adjustable overvoltage and undervoltage threshold, independent adjustable delay time for over-voltage, under-voltage.
【Output Contacts】Monitoring relay with 1 CO + 1 NC contacts, and the capacity is 6A, 250V AC (resistive load).
【Wide Applications】Voltage monitoring sequence relay can be applied in equipment or devices from undervoltage and overvoltage in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc..

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Mini AC 220-440V TG30S Phase Sequence Protection Voltage Monitoring Relay Voltage Phase Protective Relay Building Electronics Projects for Industry Applications

Dynamic phase loss, static phase loss protection: refers to the phase failure of any phase when the protected device is in the running state or non-operating state. The indicator light is in the form of red light and priority.
Wrong phase protection: A protection measure to prevent the phase sequence of L1, L2, L3 three-phase AC power supply from being connected incorrectly. Instant action. The indicator light is in the form of yellow light..
Voltage Unbalance Protection: Refers to a voltage imbalance that will affect the safe operation of the device. When the voltage imbalance rate is higher than 8%. The form of the indicator light is: the lack of phase red light is on, and priority..
Delay protection: When there is a fault, the monitor will delay after 1~2 seconds, and the relay will release..
The protection function of the monitor is not affected by the current of the line or load, the inrush current, the unbalanced current and the nature of the load. Long-term work with full performance and full climate. Power consumption is no more than 2W..

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GRV8-03 Monitoring Relay, 176V-552V Ultrasmall Three Phase Voltage Relay Voltage Monitoring Relay Adjust for Mobile Device Connection Control(M265)

Small Size: 2021 Improved Version, This 3-Phase Monitoring Relay has a smaller compact size for easier and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place.
Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life.
Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process.
3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence.
LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant....

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NR2-25 Professional Thermal Overload Relay Electric Thermal Relay with Adjustable Motor Protection(17-25A)

Durable to use ::It is made of quality material, and it is durable to use..
Practical to use ::This thermal relay can be used in the circuit of 50-60hz, rated insulation voltage 690V..
Professional protection function ::It is used for protecting the phase break when the electric motor is overload..
Different mechanism and temperature compensation ::The relay features different mechanism and temperature compensation..
Excellent design ::It is designed with phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, and stop button..

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