GE SR469-CASE

The GE SR469-CASE is an industrial automation device in the GE Multilin series, specifically designed to protect and house industrial control equipment. It is particularly suitable for motor management relays (such as the SR469) in harsh environments. Its core function is to provide physical protection for internal circuits while enabling easy installation and system integration through standardized interfaces. This enclosure is widely used in industrial automation, power systems, and manufacturing, ensuring the safe operation of critical electrical equipment (such as motors, transformers, and generators).

Parameters

• Voltage and Current: Supports a wide range of input voltages (e.g., 70-265 VAC or 90-300 VDC). Phase current input is typically 1 A (CT secondary coil), with a maximum rated current of up to 2000 A.
• Communication Protocols: Compatible with standard protocols such as Modbus RTU/TCP, RS232, and EtherNet/IP, facilitating remote monitoring and data interaction.
• Operating Environment: The operating temperature range is usually -40°C to +85°C, and the storage temperature is also -40°C to +85°C. The protection level is mostly IP67 (dustproof and waterproof).

Product Features

• High Reliability and Durability: Constructed with high-quality materials (e.g., metal or engineering plastics) and a sealed design, featuring a corrosion-resistant coating to adapt to harsh industrial environments.
• Modularity and Flexibility: Supports multiple configuration options (such as current input range, control mode, and communication protocols) to meet the needs of different application scenarios.
• Comprehensive Protection Functions: Integrates multiple protection mechanisms, including overload, short circuit, ground fault, stall, and overheating protection, ensuring the safety of motors and systems.
• Ease of Use and Maintainability: Equipped with a large-screen display and an intuitive operation interface, supporting remote monitoring and diagnosis for quick maintenance.
• Heat Dissipation Design: Optimizes heat dissipation through the enclosure structure to ensure stable operation of internal relays.

Structure and Composition

• Enclosure Body: Made of metal or engineering plastics, with a sealing gasket and dustproof/waterproof design (IP67 rating) to prevent external contaminants from entering.
• Mounting Interfaces: Provides standard DIN rail or panel mounting methods for easy fixing in control cabinets or racks.
• Internal Space: Reserves a dedicated installation area for the SR469 relay, ensuring reasonable electrical connections and heat dissipation layout.
• Additional Functions: Some models are equipped with cable entries, ventilation holes, or cooling fans to enhance environmental adaptability.

Application Fields

• Industrial Automation: For motor control and protection of equipment such as production lines, robots, and conveyor belts.
• Power Systems: Protects key equipment such as generators, transformers, and distribution lines to improve system stability.
• Energy and Manufacturing: Suitable for equipment such as pumps, compressors, and fans in industries such as oil and gas, chemicals, metallurgy, and papermaking.
• Transportation: Used for motor management in scenarios such as railway traction systems, subway trains, and ships.
• Infrastructure: Supports automated control of HVAC systems, elevators, and water treatment facilities.

Installation and Maintenance

Installation Steps

1. Select panel mounting or DIN rail mounting according to requirements, ensuring the enclosure is securely fixed.
2. Connect the power supply and control signal lines, following electrical safety specifications for wiring.
3. After installation, conduct a power-on test to verify that communication functions and protection mechanisms are working properly.

Maintenance Requirements

• Regularly check the enclosure's sealing, clean internal dust, and prevent corrosion or short circuits.
• Inspect fasteners for looseness and retighten if necessary.
• Monitor operating temperature and current parameters, and promptly handle abnormal alarms.
• When updating firmware or calibrating equipment, refer to official technical documents to ensure compatibility.

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