ABB 3HNE08791-1 Battery Charger Unit

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• 1. Product Overview

  The ABB 3HNE08791-1 is an industrial battery charger unit designed to provide reliable charging for UPS systems, automation equipment, and backup power supplies. It efficiently and safely charges lead-acid batteries or other compatible industrial batteries. The unit includes overcharge, short-circuit, and temperature compensation protection, ensuring battery life and system reliability. Its modular design allows easy integration, maintenance, and replacement.

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  2. Technical Specifications

  Parameter	Description
  Model	3HNE08791-1
  Type	Battery Charger Unit
  Input Voltage	230 V AC ±10%, 50/60 Hz
  Output Voltage	24 V DC / 48 V DC (depending on version)
  Output Current	5 A / 10 A (depending on version)
  Battery Type	Lead-acid / other compatible industrial batteries
  Charging Mode	Constant Current / Constant Voltage (CC/CV) automatic switch
  Charging Efficiency	≥ 90%
  Protection	Overvoltage, Overcurrent, Short Circuit, Reverse Polarity
  Operating Temperature	-20℃ to +60℃
  Mounting	DIN rail or screw mounting
  Protection	IP20
  Housing Material	Flame-retardant ABS or high-strength plastic
  Dimensions	150 × 100 × 80 mm (approx.)
  Standards	IEC 60950-1 / EN 60204-1

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  3. Key Advantages & Features

  1. Efficient and Stable Charging

     • Automatic CC/CV charging ensures full battery charge and extended battery life.

  2. Multiple Protection Functions

     • Prevents overcharge, overcurrent, short circuit, and reverse polarity, improving safety.

  3. Modular Design

     • Compact size allows easy installation, maintenance, and replacement in industrial control panels.

  4. High Reliability

     • Industrial-grade design for high temperature, vibration, and long-term operation.

  5. Wide Compatibility

     • Supports various capacities of lead-acid and other industrial batteries.

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  4. Typical Applications

  • UPS system backup power charging

  • Industrial automation system battery maintenance

  • Substation and distribution system battery supply

  • Railway and industrial equipment backup power

  • Telecommunication and data center power support

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  5. Usage Precautions

  • Installation: Must be installed by qualified electricians; ensure proper wiring and grounding.

  • Battery Matching: Ensure charger output voltage matches battery nominal voltage to prevent damage.

  • Environmental Conditions: Avoid high temperature, moisture, dust, and corrosive environments; ensure proper ventilation.

  • Regular Maintenance: Periodically check charger and battery condition to ensure proper charging.

  • Safety: Do not disassemble while powered; prevent electric shock or equipment damage.

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The structure and details of the product：

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