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Dongan collection
Dongan
Dongan is a long-standing manufacturer of electrical transformers and power distribution equipment, frequently integrated into industrial control panels and power systems. Their product lines include control transformers, isolation transformers, and general-purpose transformers, valued by engineers for their robust construction, reliable performance, and adherence to industry standards. These components are essential for providing stable power to control circuits and machinery in demanding environments. Industrial Automation Co. stocks new and refurbished Dongan parts with quote-based pricing.
5M+
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
24 Months
We offer 24 months warranty on selected brands
24h
Typical quote turnaround for hard-to-source and legacy replacement requests
OEM+
New, refurbished, and surplus paths surfaced clearly for procurement teams
Hard-to-find parts, sourced fast
Real value
Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.
Built for urgent procurement
RFQ ready
Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.
Verified parts you can rely on
Trusted data
Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.
Global sourcing, local reliability
Worldwide trust.
We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.
SKU · 21HG-3708FM
Dongan 21HG-3708FM
DONGAN 21HG-3708FM 21HG3708FM 37.5KVA 277 TO 208 HOSPITAL ISOLATION TRANSFORMER
