Siemens Marq 21 100A Motor Circuit Protector - 600V/3P
100A MCP | 600V/3P | Magnetic-Only Trip | Motor Branch Protection
This Siemens Marq 21 100A motor circuit protector MCC bucket provides magnetic-only instantaneous trip protection, trusted by electrical professionals worldwide. Rated at 600V and 100A, 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, ensuring code-compliant installations with streamlined wiring. Deployed across HVAC systems, pharmaceutical production, and data center infrastructure, the Marq 21 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.
