High-Performance Air Circuit Breaker (ACB)｜Reliable Protection for Industrial & Power Systems

Air Circuit Breakers (ACBs) are critical for maintaining the safety and stability of modern power systems. Designed to detect and interrupt fault conditions, ACBs protect equipment from damage due to overcurrent and short circuits, preventing costly downtime and ensuring uninterrupted operations.
Engineered for versatility and long-term performance, Hitachi’s ACBs are used in high-demand environments such as substations, factories, power plants, and commercial buildings across Southeast Asia.
Hitachi Asia (Thailand) Co., Ltd., headquartered in Bangkok, delivers comprehensive regional support across Thailand, Indonesia, Malaysia, Myanmar, the Philippines, Singapore, and Vietnam.
■ Features
- High Fault Interruption Capacity: Quickly responds to short circuits and overcurrents, preventing equipment failure.
- Durable & Reliable: Withstands harsh industrial environments with consistent performance.
- Wide Voltage Support: Compatible with low, medium, and high-voltage systems.
- Easy Maintenance: Designed for efficient inspection and quick component replacement.
- Smart Options Available: Remote control and automatic reset functionality enhance operational convenience.
■ Technical Specifications
- Voltage Range: Low to high voltage configurations available
- Breaking Capacity: Customizable based on system demands
- Installation Conditions: Suitable for indoor/outdoor environments and heavy-duty applications
- Additional Functions: Remote trip/reset, monitoring, and automation-ready interfaces
■ Applications
- Power Plants: Protects critical high-voltage systems from failure
- Substations: Ensures safe and stable energy transmission and distribution
- Industrial Facilities: Shields machinery and electrical infrastructure from overload
- Commercial Buildings: Maintains safe and uninterrupted power supply
📄 For more information, download the product PDF or contact our technical support team.
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