ABB LT8978bV1 power board

ABB LT8978bV1 Power Board – Product Information

1. Product Overview

The ABB LT8978bV1 is a high-performance power board designed for industrial automation and power system control module power supply.
It features efficient voltage conversion, regulation, and overload protection, providing stable and reliable DC power to control modules and peripheral devices. The LT8978bV1 is compatible with ABB control systems and modular devices, widely used in power plants, substations, and industrial automation systems.

2. Technical Specifications

• Model: LT8978bV1

• Type: Power Board

• Input Voltage Range: 110 ~ 240 V AC

• Output Voltage: 24 V DC

• Output Current: Max 5 A

• Power: Approx. 120 W

• Efficiency: > 90%

• Voltage Regulation Accuracy: ±2%

• Protection: Short-circuit, overcurrent, overtemperature protection

• Operating Temperature: -20 ℃ to +60 ℃

• Storage Temperature: -30 ℃ to +85 ℃

• Dimensions: Approx. 200 × 120 × 50 mm

• Weight: Approx. 1.5 kg

• Protection Class: IP20

• Certifications: CE, UL, RoHS

3. Features and Advantages

1. High-Efficiency Regulation – Provides stable and reliable DC power for control modules.

2. Wide Input Voltage Range – Suitable for various industrial power conditions.

3. Multiple Protection Features – Short-circuit, overcurrent, and overtemperature protection for system safety.

4. High Efficiency Design – Energy-saving, reduces power consumption and heat generation.

5. Modular Design – DIN rail mounting for easy integration and maintenance.

6. Industrial-Grade Reliability – Anti-interference design suitable for harsh industrial environments.

4. Application Areas

• Industrial automation control systems

• Power plant excitation and control systems

• Substation control systems

• Energy management and distribution systems

• Industrial equipment and automation module power supply

5. Precautions

1. Ensure the power board is compatible with the system and modules before installation.

2. Maintain a stable input voltage to avoid affecting output and module performance.

3. Avoid use in high humidity, corrosive, or strong electromagnetic interference environments.

4. Regularly check output voltage and current to ensure stable system operation.

5. Installation and maintenance must be performed by trained professionals; do not disassemble or modify the power board.

The structure and details of the product：

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