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.


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

Part of the Unidrive SP range, SP1404 is a 2.2kW, 3HP, 5.8A, Three Phase 380-480V AC VSD manufacture..

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..

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..

SP8413-E23-F1-B1 Control Techniques

SP8413-E23-F1-B1 Control Techniques

The SP8413-E23-F1-B1 is a 250kW, 400HP, 450A, Three Phase 380-480V AC AC drive from the Unidrive SP ..

SP8433-E23-F1-B1 Control Techniques

SP8433-E23-F1-B1 Control Techniques

The SP8433-E23-F1-B1 is a 250kW, 400HP, 450A, Three Phase 380-480V AC inverter from the Unidrive SP ..

SP4604 Control Techniques

SP4604 Control Techniques

The SP4604 is a 30kW, 40HP, 36A, Three Phase 500-690V AC VSD from the Unidrive SP range manufactured..

SP4401 Control Techniques

SP4401 Control Techniques

The SP4401 is a 30kW, 40HP, 60A, Three Phase 380-480V AC inverter from the Unidrive SP range manufac..

SP4605 Control Techniques

SP4605 Control Techniques

The SP4605 is a 37kW, 50HP, 43A, Three Phase 500-690V AC VSD from the Unidrive SP range manufactured..

SP2201 Control Techniques

SP2201 Control Techniques

Part of the Unidrive SP range, SP2201is a 3kW, 4.0HP, 12.6 A, Three Phase 200-240V AC variable frequ..

SP3502 Control Techniques

SP3502 Control Techniques

Part of the Unidrive SP range, SP3502is a 3kW, 4.0HP, 5.4 A, Three Phase 500-575V AC AC drive manufa..

SP1405 Control Techniques

SP1405 Control Techniques

Part of the Unidrive SP range, SP1405 is a 3kW, 4HP, 7.6A, Three Phase 380-480V AC inverter manufact..

SP9433 Control Techniques

SP9433 Control Techniques

Part of the Unidrive SP range, SP9433is a 450kW, 700HP, 790 A, Three Phase 380-480V AC AC drive manu..

SP4606 Control Techniques

SP4606 Control Techniques

The SP4606 is a 45kW, 60HP, 52A, Three Phase 500-690V AC inverter from the Unidrive SP range manufac..

SP5601 Control Techniques

SP5601 Control Techniques

The SP5601 is a 45kW, 60HP, 62A, Three Phase 500-690V AC AC drive from the Unidrive SP range manufac..

SP2202 Control Techniques

SP2202 Control Techniques

Part of the Unidrive SP range, SP2202is a 4kW, 5.5HP, 17 A, Three Phase 200-240V AC AC drive manufac..

SP3503 Control Techniques

SP3503 Control Techniques

Part of the Unidrive SP range, SP3503is a 4kW, 5.5HP, 6.1 A, Three Phase 500-575V AC VSD manufacture..

SP2401 Control Techniques

SP2401 Control Techniques

The SP2401 is a 5.5kW, 7.5HP, 13A, Three Phase 380-480V AC variable frequency drive from the Unidriv..

SP2203 Control Techniques

SP2203 Control Techniques

The SP2203 is a 5.5kW, 7.5HP, 25A, Three Phase 200-240V AC AC drive from the Unidrive SP range manuf..

SP3504 Control Techniques

SP3504 Control Techniques

Part of the Unidrive SP range, SP3504is a 5.5kW, 7.5HP, 9.5 A, Three Phase 500-575V AC VSD manufactu..

SP5401 Control Techniques

SP5401 Control Techniques

Part of the Unidrive SP range, SP5401 is a 55kW, 75HP, 124A, Three Phase 380-480V AC inverter manufa..

SP5602 Control Techniques

SP5602 Control Techniques

Part of the Unidrive SP range, SP5602is a 55kW, 75HP, 84 A, Three Phase 500-690V AC variable frequen..

SP3505 Control Techniques

SP3505 Control Techniques

Part of the Unidrive SP range, SP3505is a 7.5kW, 10HP, 12 A, Three Phase 500-575V AC AC drive manufa..

SP2402 Control Techniques

SP2402 Control Techniques

Part of the Unidrive SP range, SP2402is a 7.5kW, 10HP, 16.5 A, Three Phase 380-480V AC inverter manu..

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