Hayward® HCPVFD3201531P HCP Series EX-VFD-208 3-to-1 Phase Variable Frequency Drive Motor Control System for 208-230/460 VAC Pumps with Standard NEMA 4X Enclosure 5-1/2 HP 208-230V. The HCP Series Variable Frequency Drive (VFD) delivers all the savings, efficiency, performance and control of a variable-speed pump—without the need to replace existing single-speed equipment. Compatible with Hayward HCP Series and many other 208- 230/460 VAC commercial pool pumps, the HCP Series VFD provides a budget-friendly solution for more accurate and efficient pump control in new or existing recreational water facilities.