369-HI-0-M-0-0-0 Motor Management Relay

product description：

The 369-HI-0-M-0-0-0-0 Motor Management Relay is a motor protection and control device manufactured by GE Multilin. This relay plays an important role in the power system, mainly used for protecting, controlling, and monitoring motors.

This relay has some key technical characteristics and functions. Firstly, it has a rated control power range, typically 50-300 VDC or 40-265 VAC, which allows it to adapt to different power environments. In addition, it also includes functions such as current imbalance and single-phase detection, ground fault, dual speed motor protection, and phase overload curve, which help to timely detect and handle various abnormal situations during motor operation.

In order to improve the protection capability of the relay, users can adjust the motor surge current, cooling rate, and/or acceleration time. This helps optimize the performance of relays according to specific application needs.

In addition, the 369-HI-0-M-0-0-0-0 motor management relay also has an optional metering package that enables the relay to enable phase voltage input (VT/PT) with a maximum VT ratio of 240:1. This metering option includes three additional analog outputs, with all outputs (including the standard analog current output of the basic unit) sharing a common circuit.

Structurally, this relay is well-designed and can adapt to various industrial environments. It is commonly used in power distribution, control, and automation applications, and has a wide range of applications in industrial and commercial fields.

Technical Specifications
Control power supply: 50 – 300 VDC or 40 – 265 VAC, suitable for different power environments.
Analog output: The basic model has 1 analog output. Optional metering or reverse rotation accessories can provide an additional 3 analog outputs.
VT ratio: The maximum VT ratio is 240:1, supporting open delta or star connection of voltage transformers (VT).
Communication interface:
1 front-panel RS232 port and 3 rear-panel RS485 ports, supporting Modbus RTU protocol.
It can communicate with SCADA systems or upper computers to achieve remote monitoring and control.
Input and output specifications:
It can be connected to current transformers (CT), voltage transformers (VT), and other signal inputs.
Multiple output relay contacts are used for controlling circuit on-off.
Operating temperature range: -40°C to +60°C (operation), -40°C to +80°C (storage), suitable for harsh industrial environments.
Protection class: The specific protection class is not clearly indicated, but it can meet general industrial environment applications.
Size and weight: The size is approximately 11.5 inches high × 5.5 inches wide × 8.5 inches long, with a weight of 4.5 kg (for some models). It is convenient for installation and maintenance.

Application scenario
Industrial Automation:
Used for motor protection and control on production lines, ensuring the efficiency and consistency of the production process.
Applicable to motors in industries such as chemical, metallurgy, and cement for mixers, material conveying pumps, etc.
Power System:
In power generation, transmission, and distribution systems, protect, control, and monitor electric motors to ensure the safety of power supply.
Commercial Buildings:
Used for motor management in air conditioning systems and elevators in shopping malls and office buildings, enhancing the intelligence level of buildings.
Transportation:
Used in traffic signal control systems to improve traffic efficiency and ensure driving safety.

Overall, the 369-HI-0-M-0-0-0-0 motor management relay is a powerful and stable motor protection and control device. It can provide comprehensive motor protection to ensure safe and stable operation of the motor, while offering flexible configuration options to meet different application needs.

Automation parts