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Breaker Integrated Transformer (BIT)
Eaton’s Breaker Integrated Transformers (BIT) integrates a traditionally separate Molded Case Circuit Breaker (MCCB) and a low-voltage dry-type distribution transformer. Factory-assembled and fully tested, BIT helps reduce arc-flash hazard, footprint and overall cost of the electrical distribution system.
Primary, secondary, primary-secondary, and secondary-secondary
Aluminum or copper
Includes transformers with DOE 2016 and NEMA TP-1 efficiency requirements, and transformers with other efficiency requirements
Replace the need for separate power distribution components with a fully enclosed molded-case circuit breaker (MCCB) integrated into Eaton’s proven low-voltage dry-type distribution transformer technology
Available in 150°, 115°, and 80° C
Take advantage of space savings with an integrated design that can save up to 30 percent compared to traditional, separately installed solutions
Easily configure to specific application needs with a wide range of primary, secondary, primary and secondary, or secondary and secondary breaker choices
Reduce hazard of arc flash
Transformers include a versatile bonding/grounding bar affixed to the bottom panel as standard, to provide compliance with NEC 450.10(A)
This design guide provides dimensions, layout examples, technical specifications and application information for low-voltage dry-type transformers. The information in this document supersedes section 19 of the Consulting Application Guide (CAG).
Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic and mechanical power – more safely, more efficiently and more reliably. Eaton’s 2019 revenues were $21.4 billion, and we sell products to customers in more than 175 countries.