Siemens Marq 21 250A Fusible Feeder - 480V/3P
250A | 480V/3P | Class L Fuses | Fusible Disconnect
This Siemens Marq 21 250A fusible feeder MCC bucket combines fused disconnect switching with reliable power distribution, optimized for safety and operational uptime. Rated for 480V service at 250A continuous, it accepts Class L fuses for superior current-limiting protection with the highest available interrupting ratings. The fusible design provides selective coordination with upstream and downstream protective devices, enabling fast troubleshooting with modular plug-in design. Ideal for building automation systems, conveyor networks, and packaging lines, 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.