Siemens Marq 21 NEMA Size 1 Variable Frequency Drive - 480V/3P
VFD | NEMA 1 | 15HP | 480V/3P | Integrated Drive Controller
This Siemens Marq 21 NEMA Size 1 variable frequency drive MCC bucket integrates advanced motor speed control into a standardized plug-in module, field-proven across thousands of installations. Rated for 15HP at 480V three-phase, this VFD bucket provides precise speed regulation, soft starting, and energy savings up to 50 percent on variable-torque loads. The integrated drive controller includes EMC filtering, dynamic braking provisions, and communication ports for Modbus, EtherNet/IP, or BACnet integration, offering drop-in replacement compatibility for quick retrofits. Essential for steel mills, cement plants, and large-scale commercial buildings, the Marq 21 VFD bucket ships factory-programmed and tested for rapid commissioning with UL 845 and UL 508A listings.
