Wholesale YCW9X Molded Case Circuit Breaker 3P/4P 200-1600A for Industrial Use

The YCW9X series integrated circuit breaker is a technologically advanced protection device designed for modern power distribution systems. This breaker combines isolation functionality with compact size and high breaking capacity, making it ideal for various industrial and commercial applications.

With rated currents ranging from 200A to 1600A and available in both 3P and 4P configurations, the YCW9X offers flexible solutions for different power system requirements. The breaker features comprehensive protection functions including overload long delay, short circuit delay, and instantaneous protection.

The intelligent controller provides multiple protection curves (Standard inverse, Fast inverse, and Universal inverse time) to match various load characteristics. Advanced features include thermal memory function, neutral line protection, and ground fault protection with adjustable parameters.

Key technical specifications include:

• Rated operational voltage: AC400V/AC800V
• Rated insulation voltage: 1000V
• Rated impulse withstand voltage: 12kV
• Breaking capacity: 60kA at AC400V, 32kA at AC800V
• Electrical life: 1500-4500 operations (maintenance-free)
• Mechanical life: 4500-8500 operations

The YCW9X breaker is designed for reliable operation in various environmental conditions with ambient temperature range of -5°C to +40°C and installation altitude up to 2000m. Optional features include communication interface (MODBUS protocol), temperature monitoring, and pressure recloser function for distributed power applications.