Robust, Certified Protection for Your High-Demand Energy System.

The EG4 90A BSB AC Circuit Breaker is a critical safety component designed to deliver reliable overload and short-circuit protection for the EG4 FlexBOSS21 Hybrid Inverter and other high-current electrical systems. Engineered for exceptional durability and performance, this breaker is perfectly suited for demanding residential, commercial, and industrial applications where system safety and uptime are non-negotiable. Its heavy-duty construction ensures flawless operation, even in the most challenging environments.

Key Features & Benefits:

• Certified Protection: Meets rigorous UL489, IEC 60947-2, and GB/T 14048.2 standards, ensuring your system is safeguarded by a device that has been thoroughly tested for safety and performance.
• High Interrupting Capacity: With an interrupting capacity of up to 10,000A, this breaker can safely manage significant fault currents, protecting your valuable equipment from catastrophic damage.
• Durable & Long-Lasting: Built for longevity with a mechanical lifecycle of 10,000 cycles and an electrical lifecycle of 6,000 cycles, providing years of dependable service.
• Advanced Safety Features: Incorporates trip-free operation, meaning the breaker will trip internally during an overload event even if the handle is forcibly held in the "ON" position. An indicating handle clearly shows the breaker's status.
• Wide Operating Range: Designed to function reliably in extreme conditions, with a working temperature range of -40°C to +85°C (-40°F to +185°F).

Ideal Applications:

• Residential and Commercial Solar Systems
• Industrial Automation Equipment
• Telecommunication Equipment
• Mobile and Temporary Power Setups

Technical Specifications

Ensure the safety and longevity of your power system with the certified protection of the EG4 90A BSB AC Circuit Breaker.