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ABB UXAB389830909 Shunt Trip Release Power Supply 

1. Key Parameters

• Product Model: UXAB389830909
• Product Series: ABB Industrial Shunt Trip Accessory Power Supplies (Breaker Remote Control)
• Core Function: Auxiliary power for shunt trip releases; remote circuit breaker tripping support; overvoltage protection; ABB breaker compatibility.

2. Core Features

• ABB Breaker Exclusivity: Factory-matched to ABB low-voltage circuit breakers (e.g., UXAB series), ensuring seamless alignment with shunt trip mechanisms.
• Stable DC Output: 24V DC constant power supply guarantees reliable shunt trip activation, avoiding misoperation from voltage fluctuations.
• Remote Control Support: Enables PLC or emergency system-triggered tripping, critical for fast fault isolation in large-scale distribution systems.
• Compact Integration: Small DIN rail-mounted design saves space in distribution cabinets, fitting with ABB’s standard low-voltage equipment layout.

3. Application Fields

• ABB Low-Voltage Distribution: Powers shunt trips of ABB circuit breakers in factory distribution cabinets, enabling remote cutoff of overload/short-circuit circuits.
• Motor Control Systems: Supports remote tripping of ABB breakers in motor control loops (e.g., SDCS-series drive circuits) to protect motors from faults.
• Emergency Power Systems: Used in ABB backup generator distribution loops, allowing emergency shutdown via central control systems.
• Building Automation: Integrates with ABB BMS (Building Management Systems) to trip breakers in HVAC/power circuits during emergencies.

4. Precautions

• Compatibility: Use exclusively with ABB low-voltage circuit breakers equipped with shunt trip devices; non-ABB breakers may have mismatched voltage requirements.
• Installation: Install by qualified electricians; ensure correct input/output wiring (avoid reverse polarity) to prevent internal component burnout.
• Maintenance: Check output voltage annually with a multimeter; replace if voltage deviation exceeds ±5% of rated value.
• Spare Parts: Use genuine ABB UXAB389830909 units—non-genuine power supplies may cause shunt trip failure, leading to delayed fault isolation.

The structure and details of the product：

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