421-340 | 120/10000 ARMSTRONG/ESSO | Allanson Transformers Connection Details_Sweat Shop Our trusted HVAC store

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Durable Construction: Fabricated from rugged steel

and B insulation class

With an FPT end connection and a port size of 1IN

all designed to work seamlessly together

421-340 | 120/10000 ARMSTRONG/ESSO | Allanson Transformers Connection Details_Sweat Shop Our trusted HVAC store**Allanson Transformers NCO 421 340: High Performance Transformer for Industrial Applications** The Allanson Transformers NCO 421 340 is engineered to provide reliable power conversion in industrial settings. This transformer features a rugged construction, ensuring durability in demanding environments. Its 120 10000 ratio makes it suitable for applications requiring voltage step up or step down. **Key Features:** * Robust construction for longevity *