OPTIDRIVE E3 SINGLE PHASE: Invertek Optidrive E3 for Single Phase Motors is a cost-effective, easy-to-use variable frequency drive designed specifically for PSC (Permanent Split Capacitor) and shaded-pole single phase induction motors — the ideal solution for applications where three-phase power is unavailable. Simply wire up the drive, turn the built-in potentiometer and the motor starts running immediately, delivering precise speed control and energy savings with minimal setup. Features an internal EMC filter as standard. Available in IP20 and IP66/NEMA 4X enclosures for panel or direct machine mounting, including washdown-rated versions. Manufactured in the UK to ISO 9001 and ISO 14001:2015 standards.