AC Drives


Maximize your operational efficiency with high-performance AC Drives, the intelligent "brains" of the modern industrial motor system. By precisely controlling motor speed and torque, these drives eliminate the waste of traditional fixed-speed operations, delivering massive energy savings and superior process control. Beyond the bottom line, AC Drives protect your equipment through "soft start" technology, significantly reducing mechanical wear and extending the lifespan of your critical assets—from HVAC fans to heavy-duty manufacturing conveyors. Invest in precision, sustainability, and long-term reliability for your facility today.

At AFi Systems we offer comprehensive support for all kinds of AC Drives. From Siemens to Parker, Yaskawa to Hitachi, or ABB to Allen-Bradley, we can service drives from a plethora of different vendors. Requests for refurbished, new surplus, or factory-new articles can all be accommodated, and our expert team with over 350 years of combined technician experience are primed to handle both in-house and on-site repairs for any units requiring service with quick turnaround times using state-of-the-art testing equipment. Boasting a no-fix, no-fee policy and a two-year warranty for all repairs, we at AFi Systems take pride in our work, and will always endeavour to ensure your satisfaction.

Any refurbishment includes the replacement of any components likely to degrade over time such as electrolytic capacitors and electromechanical parts like cooling fans, before being soak tested in one of our dedicated drive bays so we can be confident in our two-year warranty. Our refurbishment services include drives for obsolete products whose legacy fieldbus communications prohibit easy retrofitting.


SP1202 Control Techniques

SP1202 Control Techniques

Part of the Unidrive SP range, SP1202is a 1.1kW, 1.5HP, 5.8 A, Three Phase 200-240V AC variable freq..

SP0405 Control Techniques

SP0405 Control Techniques

Part of the Unidrive SP range, SP0405is a 1.5kW, 2.0HP, 4.2 A, Three Phase 380-480V AC VSD manufactu..

SP1403 Control Techniques

SP1403 Control Techniques

The SP1403 is a 1.5kW, 2.0HP, 4.2A, Three Phase 380-480V AC variable frequency drive from the Unidri..

SP0205 Control Techniques

SP0205 Control Techniques

The SP0205 is a 1.5kW, 2.0HP, 7.5A, Single Phase 200-240V AC inverter from the Unidrive SP range man..

SP1203 Control Techniques

SP1203 Control Techniques

Part of the Unidrive SP range, SP1203is a 1.5kW, 2.0HP, 7.5 A, Three Phase 200-240V AC inverter manu..

SP6602 Control Techniques

SP6602 Control Techniques

Part of the Unidrive SP range, SP6602is a 110kW, 150HP, 125 A, Three Phase 500-690V AC inverter manu..

SP6402 Control Techniques

SP6402 Control Techniques

The SP6402 is a 110kW, 150HP, 210A, Three Phase 380-480V AC VSD from the Unidrive SP range manufactu..

SP3506 Control Techniques

SP3506 Control Techniques

Part of the Unidrive SP range, SP3506is a 11kW, 15HP, 18 A, Three Phase 500-575V AC variable frequen..

SP3202 Control Techniques

SP3202 Control Techniques

Part of the Unidrive SP range, SP3202is a 11kW, 15HP, 42 A, Three Phase 200-240V AC inverter manufac..

SP4601 Control Techniques

SP4601 Control Techniques

The SP4601 is a 15kW, 20HP, 19A, Three Phase 500-690V AC VSD from the Unidrive SP range manufactured..

SP3507 Control Techniques

SP3507 Control Techniques

The SP3507 is a 15kW, 20HP, 22A, Three Phase 500-575V AC inverter from the Unidrive SP range manufac..

SP2404 Control Techniques

SP2404 Control Techniques

The SP2404 is a 15kW, 20HP, 32A, Three Phase 380-480V AC inverter from the Unidrive SP range manufac..

SP3401 Control Techniques

SP3401 Control Techniques

The SP3401 is a 15kW, 20HP, 32A, Three Phase 380-480V AC AC drive from the Unidrive SP range manufac..

SP4201 Control Techniques

SP4201 Control Techniques

The SP4201 is a 15kW, 20HP, 56A, Three Phase 200-240V AC VSD from the Unidrive SP range manufactured..

SP7412-E23 Control Techniques

SP7412-E23 Control Techniques

The SP7412-E23 is a 160kW, 250HP, 290A, Three Phase 380-480V AC AC drive from the Unidrive SP range ..

SP7412 Control Techniques

SP7412 Control Techniques

The SP7412 is a 160kW, 250HP, 290A, Three Phase 380-480V AC VSD from the Unidrive SP range manufactu..

SP4602 Control Techniques

SP4602 Control Techniques

The SP4602 is a 18.5kW, 25HP, 22A, Three Phase 500-690V AC VSD from the Unidrive SP range manufactur..

SP3402 Control Techniques

SP3402 Control Techniques

The SP3402 is a 18.5kW, 25HP, 40A, Three Phase 380-480V AC AC drive from the Unidrive SP range manuf..

SP4202 Control Techniques

SP4202 Control Techniques

The SP4202 is a 18.5kW, 25HP, 68A, Three Phase 200-240V AC variable frequency drive from the Unidriv..

SP1204 Control Techniques

SP1204 Control Techniques

Part of the Unidrive SP range, SP1204is a 2.2kW, 3.0HP, 10.6 A, Three Phase 200-240V AC inverter man..

SP3501 Control Techniques

SP3501 Control Techniques

Part of the Unidrive SP range, SP3501is a 2.2kW, 3.0HP, 4.1 A, Three Phase 500-575V AC inverter manu..

SP1404 Control Techniques

SP1404 Control Techniques

The SP1404 is a 2.2kW, 3.0HP, 5.8A, Three Phase 380-480V AC AC drive from the Unidrive SP range manu..

SP4603 Control Techniques

SP4603 Control Techniques

The SP4603 is a 22kW, 30HP, 27A, Three Phase 500-690V AC inverter from the Unidrive SP range manufac..

SP3403 Control Techniques

SP3403 Control Techniques

Part of the Unidrive SP range, SP3403is a 22kW, 30HP, 46 A, Three Phase 380-480V AC variable frequen..

SP4203 Control Techniques

SP4203 Control Techniques

The SP4203 is a 22kW, 30HP, 80A, Three Phase 200-240V AC VSD from the Unidrive SP range manufactured..

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