Motor Circuit Breaker 5.5-8A is a three-pole motor protective circuit breaker from the 3RV10 range, designed for switching, protecting, and isolating induction motors in industrial electrical systems. It functions as a compact motor protection switch and is optimized for load feeder applications where reliable motor safety and long-term stability are required. This motor circuit breaker provides dependable short-circuit protection, motor protection, system protection, transformer protection, fuse monitoring, and emergency stop switching. Its current-limiting design helps improve the protection of connected equipment while supporting stable operation in demanding control panels and motor starter assemblies. The unit is rated for long-term industrial use, with a rated operational voltage of up to 690V, short-circuit proof capabilities up to 50kA at 400V a.c., and a mechanical life of 10^5 operations. It supports a maximum switching frequency of 15 operations per hour and operates across a wide ambient temperature range from -20°C to +60°C. The manual reset function and lockable OFF position add operational safety and convenience during maintenance and servicing. This product is suitable for installations where compact motor protection is needed in industrial automation, panel building, and electrical distribution systems. It is also appropriate for environments requiring secure motor disconnect and overload protection, provided that suitable enclosures are used in dusty, damp, or corrosive conditions. Please note that this product is in obsolescence mode and is scheduled for discontinuation by the manufacturer. Buyers should consider the recommended alternative or cross-reference equivalent for replacement and upgrade planning.

*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.