Zero-Phase Current Transformer (ZCT)｜Reliable Ground Fault Protection for Safe Power Systems

A Zero-Phase Current Transformer (ZCT) is a vital component in modern power systems, detecting abnormal leakage currents and preventing electrical hazards. By sending fast response signals, it protects both equipment and personnel while ensuring stable power distribution.
Hitachi’s ZCT is trusted in residential complexes, factories, commercial facilities, and critical infrastructure due to its accuracy, reliability, and ease of integration.
Hitachi Asia (Thailand) Co., Ltd., headquartered in Bangkok, provides responsive regional support across Indonesia, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam.
■ Features
- High-Precision Detection: Responds to even minor leakage currents
- Versatile Application: Used in homes, factories, and power distribution systems
- Robust Durability: Performs reliably in dusty, humid, and high-temperature environments
- User-Friendly Design: Simple to install and maintain, reducing operational downtime
■ Technical Specifications
- Rated Current: Supports 10A to several hundred amps
- Leakage Sensitivity: Detects small to high-magnitude ground faults
- Operating Frequency: 50/60 Hz
- Environmental Protection: IP-rated for dust and moisture resistance
- Customization: Available for specific system requirements
■ Applications
- Residential Systems: Enhances safety in home electrical networks
- Commercial Buildings: Prevents equipment failure and fire risk
- Industrial Facilities: Protects critical machinery from electrical faults
- Power Grids: Supports high-accuracy fault detection in utility systems
📄 For more information, download the product PDF or contact our technical support team.
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