Transformers tailored to your needs
Built in Ontario. Trusted across North America. MacKinnon Magnetics manufactures low voltage dry-type transformers with a focus on quality, reliability, and responsive customer support. From in-stock standard units to custom transformers, our team works directly with customers to deliver transformer solutions that meet the demands of today’s projects.
What We Offer
In-Stock Aluminum Transformers
15, 30, 45, 75, 112.5, 150, 225, & 300 kVA, 3-Phase Isolation, Aluminum Windings, 600D-208Y/120V, NEMA 3R, K1 (Standard) in stock and ready to ship.
High-Performance Copper Transformers
15 to 800 kVA, 3-Phase, Copper Windings, NEMA 3R. Any voltage 600 V and lower.
Custom Transformers
15 to 800 kVA, Aluminum or Copper Windings, 3-Phase, any voltage 600 V and lower. Isolation, Drive Isolation, or Harmonic Mitigating.

Innovative Installer-First Enclosure Design
- Integrated lifting eyes (≤ 45 kVA): Faster placement, folds down for clearance
- Ventilated NEMA 3R indoor and outdoor enclosure: No add-on required
- Treated steel + ANSI 61 gray powder coat: Added protection
- Elevated mounting base: Easier handling and positioning
- Accessible outward facing mounting holes: Faster Installation


Innovation starts here
Take a glimpse into the craftmanship and commitment that drive every transformer we build.




