Siemens System 89 250A Motor Circuit Protector - 480V/3P
250A MCP | 480V/3P | Magnetic-Only Trip | Motor Branch Protection
This Siemens System 89 250A motor circuit protector MCC bucket provides magnetic-only instantaneous trip protection, constructed for long-service-life operation. Rated at 480V and 250A, it is specifically designed for motor branch circuit protection per NEC Article 430. Unlike thermal-magnetic breakers, this MCP offers precise magnetic trip settings that coordinate with downstream overload relays, providing superior arc flash protection and operator safety. Deployed across marine terminals, agricultural processing, and distribution warehouses, the System 89 MCP bucket ensures Type 2 coordination when paired with compatible contactors and overload devices. Each unit ships factory-wired and tested for immediate plug-in installation with UL 508A and UL 845 compliance.
