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Technology of Electrical Automatic

Distribution Line Protection

– Complete primary and backup protection from all types of faults
– Protection for applications including overcurrent, voltage and frequency, etc
– Easily coordinate with other devices in utility-, industrial-, and commercial-scale facilities

Blue Jay Distribution Line Protection Relay

Our distribution line protection provides comprehensive protection for lines of low voltage levels. It is designed to detect faults like short circuits, line-to-ground faults, overcurrent, and overvoltage on distribution lines.

MPR-6M Multifunction Protection Relay

MPR-6M Multifunction Protection Relay

The MPR-6M Multifunction Protection Relay is suitable for circuit protection and monitoring of electrical lines and distribution cabinets. It can moni…
Blue Jay Type B Earth Leakage Relay

ELR-4MD DC Earth Leakage Relay

The ELR-4MD DC Earth Leakage Relay is an advanced protection device designed to enhance the safety and reliability of electrical systems. With a hall …
Blue Jay Type B Earth Leakage Relay

ELR-4MA AC Earth Leakage Relay

The ELR-4MA AC Earth Leakage Relay is an advanced protection device designed to enhance the safety and reliability of electrical systems. With a resid…
PR-80L Power Line Protection Relay for motor

PR-80L Power Line Protection Relay

PR-80L power line protection relay is suitable for protection and monitoring of low-voltage lines with rated voltage below 690V and rated current up t…
RCM Residual Current Monitor for grounded systems

RCM AC Residual Current Monitor

The RCM AC Residual Current Monitor is a comprehensive device designed to monitor and measure fault currents or residual currents in grounded systems …
W3000 Switchgear Thermal Monitoring

SCM-W3000 Switchgear Thermal Monitoring

W3000 Switchgear Thermal Monitoring is a distributed temperature sensing (DTS) system, also called a wireless temperature monitor. It provides tempera…

Industry Leading Distribution Line Protection Manufacturer

As a premier leader in distribution line protection, you can confidently turn to Blue Jay when you need low-voltage circuit protection for your next project.

Blue Jay provides complete low-voltage circuit protection solutions or line protection relays that provide unwavering protection for your critical infrastructure. From multi-functional line protection relays to residual current and leakage protection relays, our offerings cater to a wide array of applications, ensuring the safety and reliability of your electrical systems.

Offering complete primary & backup protection from all types of faults

Suitable for all types of utility-, industrial-, and commercial-scale power systems. 

Protecting the lines of the power distribution system

Why Need Blue Jay LV Distribution Line Protection Relays?

Overload Circuit protection

Prevent Overload
When the current in the circuit exceeds the rated value, the protection relay will cut off the power supply in time to prevent the wires from overheating or even catching fire.

short circuit

Prevent Short Circuits
Short circuits will generate huge currents, which may cause equipment damage or even cause fires. Protection relays can quickly respond to short circuit faults and cut off power.

ground fault

Prevent Ground Faults
Ground faults can cause electric shock hazards. Protection relays can quickly cut off the faulty line to ensure personal safety.

Personnel and Equipment safety

Protection Personnel and Equipment
Ensures personnel and equipment safety by accurately detecting and clearing faults in milliseconds, eliminating hazards at their source.

Experience the Benefits of Our Comprehensive Line Protection Solution

With our extensive range of low-voltage Distribution line protection solutions, we have the expertise and products to meet your specific needs. Our team of experts is available to guide you in selecting the right solutions for your application, ensuring optimal line protection for your electrical systems. Our low-voltage circuit protection solutions offer a multitude of benefits, including:

Enhanced safety and reliability

Reduced downtime and maintenance costs

Improved operational efficiency

Compliance with safety standards

Choose Our Distribution line protection Solutions for Unparalleled Protection

Blue Jay LV distribution line protection relay

Distribution Line Protection Application

Distribution line protection relays are widely used in power, industry, construction, and other fields, such as:

Distribution system: protects the operation of distribution lines, transformers, and other equipment, such as starting, stopping, and adjusting.

Power line: protect the lines that provide power to power equipment such as motors and electric heating equipment from overload, short circuits, and other faults.

Lighting system: protect the lines used for lighting in buildings, factories, etc.

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Blue Jay

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