Siemens Marq 21 NEMA Size 4 FVNR Combination Starter - Breaker Type - 480V
NEMA 4 | 135A | 100HP | 480V/3P | FVNR | Breaker Protected
This Siemens Marq 21 NEMA Size 4 FVNR combination starter is proven in high-demand industrial settings. Rated for 100HP at 480V three-phase service with 135A continuous current capacity, this breaker-type combination starter provides coordinated motor protection and control in a compact plug-in MCC bucket module. The FVNR configuration delivers full-voltage non-reversing motor starting with factory-matched contactor, overload relay, and motor circuit protector, offering drop-in replacement compatibility for quick retrofits. Widely deployed across oil and gas operations, food processing plants, and automotive assembly lines, this Marq 21 bucket features NEMA-rated components for maximum reliability and NEC Article 430 compliance. Each unit ships factory-assembled, wired, and tested with UL 845 listing for immediate plug-in installation.