Siemens Marq 21 70A Fusible Feeder - 480V/3P
70A | 480V/3P | Class J Fuses | Fusible Disconnect
This Siemens Marq 21 70A fusible feeder MCC bucket combines fused disconnect switching with reliable power distribution, field-proven across thousands of installations. Rated for 480V service at 70A continuous, it accepts Class J fuses for superior current-limiting protection with the highest available interrupting ratings. The fusible design provides selective coordination with upstream and downstream protective devices, offering drop-in replacement compatibility for quick retrofits. 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.