BA150J-P/Z3 REX 150KVA 600-480/277V 3PH TRANSFORMER

3-Pole · 600-480/277V

The BA150J-P/Z3 REX 150KVA transformer is designed for efficient power distribution with a dual voltage output of 600-480/277V in a 3-phase configuration. Ideal for commercial and industrial applications, its robust construction ensures durability and reliability. Upgrade your electrical system with this high-performance transformer for optimal operation.

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SKU REXBA150JPZ3 Categories , ,
Specifications
BrandRex
Poles3-Pole
Voltage600-480/277V
Frame / SeriesREX BA
Catalogue #REXBA150JPZ3
Sizing & Application

The Rex BA150J-P/Z3 is a 150 KVA, 3-phase dry-type distribution transformer stepping down 600V primary to 480/277V secondary — a standard voltage combination for Canadian commercial and industrial facilities powering 480V three-phase equipment and 277V single-phase lighting circuits simultaneously. At 150 KVA, this unit is well-suited for medium-to-large commercial buildings, manufacturing floors, and industrial process loads. Ensure your installation space, ventilation clearances, and feeder conductor sizing are matched to the transformer's full-load current ratings on both primary and secondary windings. Contact our team to confirm suitability for your specific application or load profile.

The BA150J-P/Z3 delivers a 480/277V secondary in a 3-phase, 4-wire (wye) configuration. This allows it to simultaneously power 480V three-phase equipment (motors, HVAC, machinery) and 277V single-phase loads such as commercial fluorescent or LED lighting — making it a versatile choice for commercial and industrial facilities.

Yes, the Rex BA series are dry-type distribution transformers, meaning no cooling oil is required. They are suitable for indoor installation in ventilated electrical rooms or mechanical spaces. Adequate clearance for air circulation must be maintained per manufacturer guidelines and applicable Canadian Electrical Code (CEC) requirements. They are not rated for outdoor installation unless specifically enclosed for that purpose.

Northern Breaker Group specializes in obsolete and hard-to-find electrical equipment, including legacy Rex BA series transformers. Whether you need the BA150J-P/Z3 as a direct replacement or are looking for a compatible equivalent, our team can help source or cross-reference the right unit. Reach out to our Calgary, Edmonton, or Vancouver counters, or submit a quote request online.

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