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The BA150J-M/Z3 REX 150KVA 600-120/208V 3PH ISO Transformer is designed for efficient power management in industrial applications. With a robust construction, this transformer ensures reliable voltage conversion and isolation, optimizing performance for sensitive equipment. Ideal for various settings, it enhances safety and stability while minimizing energy losses.
Isolation means there is no direct electrical connection between the 600 V primary and the 120/208 V secondary windings. This provides galvanic separation, which suppresses electrical noise, reduces the risk of ground faults propagating between circuits, and protects sensitive equipment — making it well-suited for industrial, laboratory, or data-intensive environments.
To size a transformer correctly, total the connected load (in KVA or KW, accounting for power factor) on the secondary side and add a safety margin — typically 20–25%. A 150 KVA unit can support substantial combined loads of motors, lighting, and receptacles. If you'd like help with a load calculation for your specific site, send us your equipment list and we can advise.
Northern Breaker Group specializes in obsolete and hard-to-find electrical equipment, including legacy Rex transformers. Whether the BA150J-M/Z3 is a current or discontinued unit, we can check our inventory across our Calgary, Edmonton, and Vancouver locations. Contact us with your project details and we'll work to source it or identify a compatible equivalent.
