Description
Product Overview
GYCM8EY3 Intelligent Molded Case Circuit Breaker (MCCB) delivers advanced protection for 3-phase power distribution networks up to 800A. Featuring an electronic controller, RS-485 communication, and specialized support for systems without a neutral wire, it ensures reliable operation for industrial and commercial applications. As a professional manufacturer, GEYA has engineered this intelligent breaker to excel in infrequent line conversions and motor starting scenarios.
A standout feature of the GYCM8EY3 series is its specialized design for unique three-phase power supply lines that do not carry a neutral wire and rely on local grounding. This makes the breaker exceptionally well-suited for regions and facilities utilizing American standard power supply configurations. Equipped with a comprehensive digital interface, it allows operators to monitor real-time electrical parameters and event logs directly from the device or via an upper computer software system.
Key Features & Working Environment
- Comprehensive Protection: Safeguards against overload, short-circuit, over-voltage, under-voltage, phase-loss, over-frequency, under-frequency, and voltage/current imbalances.
- Photovoltaic Integration: Includes passive anti-islanding protection, making it suitable for modern renewable energy grids.
- Event Logging: Stores up to 10 trip fault records, 30 daily max/min value records, and 10 alarm event records for precise troubleshooting.
- Ambient Temperature: Operates reliably between -5°C and +40°C.
- Altitude & Atmosphere: Designed for installations up to 2000 meters. Withstands relative humidity up to 50% at 40°C (higher humidity permissible at lower temperatures, e.g., 90% at 20°C).
- Installation Category: Class III, Pollution Degree 3.
Product Dimensions
