Siemens Marq 21 40A/40A Dual Breaker Feeder - 480V/3P
Dual 40A | 480V/3P | 100A Frame | Independent Circuits
This Siemens Marq 21 40A/40A dual breaker feeder consolidates two independent feeder circuits into a single MCC bucket, trusted by electrical professionals worldwide. Rated at 480V with dual 100A frame breakers, it maximizes panel density while maintaining full isolation between circuits. Each breaker operates independently, offering drop-in replacement compatibility for quick retrofits. Perfect for chemical processing, power generation, and wastewater treatment plants, this dual-compartment design cuts installation costs by reducing the total number of bucket slots required. The Marq 21 architecture ensures backward compatibility with existing MCC lineups, enabling seamless capacity upgrades. Meets UL 845 and NEC Article 240/430 standards.
