Siemens Marq 21 20A Fusible Feeder - 480V/3P
20A | 480V/3P | Class RK5 Fuses | Fusible Disconnect
This Siemens Marq 21 20A fusible feeder MCC bucket combines fused disconnect switching with reliable power distribution, designed for continuous duty cycles. Rated for 480V service at 20A continuous, it accepts Class RK5 fuses for superior current-limiting protection with the highest available interrupting ratings. The fusible design provides selective coordination with upstream and downstream protective devices, ensuring code-compliant installations with streamlined wiring. Ideal for mining operations, pulp and paper mills, and heavy industrial complexes, this plug-in fusible bucket supports fast fuse replacement without removing the unit from the MCC structure. The Marq 21 fusible feeder meets UL 845 standards and NEC Article 240/430 requirements for reliable overcurrent protection.