Fairford Electronics Internally Bypassed Digital Soft Starer for 3 Phase Motor Upto 37KW@400V, 54HP@460V, Operational Voltage: 230-460VACrms, 66A. The DFE is Fairford's internally bypassed, non-optimising Soft Starter which is perfect for panel builders and end users alike. To the user it offers competitive pricing, soft stopping and the removal of high transient currents. To panel builders it is an ideal substitute for a Star/Delta starter because it fits into a similar footprint, thus simplifying installation. It’s now available from 22 Amps to 500 Amps