400 Hz Transformers
Available in a wide variety of power levels and designed to meet the light weight and high temperature requirements of airborne, space, missile, shipboard, and military electronics.

Abbott’s single and three-phase 400 Hz transformer models are designed to meet the light weight and high temperature requirements of airborne, space, missile, shipboard, and military electronics. There standard transformers are available in a wide variety of power levels and output voltages and comply to the rigid specifications of MIL-PRF-27 and MIL-STD-202. Currently deployed in some of the most extreme applications, these models have proven themselves on many military and industrial programs.
If you do not see the power level, size, or voltage that you need, all models are factory configurable and we also offer custom solutions.
Military-Off-The-Shelf (MOTS)
4A Series – Single Phase 400 Hz MIL-PRF-27 Power Transformers
MIL-PRF-27 GRADE 5 CLASS S CONSTRUCTION ENCAPSULATED FOR HARSH ENVIRONMENTS THREADED INSERTS FOR VERSATILE MOUNTING FOR MILITARY AND COMMERCIAL AIRCRAFT APPLICATIONS POWER RATINGS FROM 7 TO 200 VA.
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4D Series – 3 Phase 400 Hz MIL-PRF-27 Power Transformers
MIL Grade 5 Class S construction Designed to meet the lightweight and high-temperature requirements of airborne, shipboard, and military electronics DELTA or WYE selectable outputs 400 Hz transformer with 4 different standard inputs 60 VA to 5000 VA.
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E Series – Single Phase 400 Hz MIL-PRF-27 Power Transformers
Military Designation TF5S03ZZ. Encapsulated, rugged MIL-PRF-27 transformers. Capable of operation at high temperatures. For airborne, missile and space applications.
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TM and TF Series – Single Phase 400 Hz MIL-PRF-27 Power Toroid Transformers
Designed for 400 Hz operation More VA per size and weight than conventional power transformers Grade 5 Class S construction Industrial style Grade 6 also standard
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R Series – 400 Hz MIL-PRF-27 Power Toroid Transformers (PCB Mount)
Military Grade 5, Class S Standard output voltages 5 to 300 volts Compact toroidal construction in a convenient printed-circuit mount package. Low outgassing molded construction for high-altitude operation Power levels 1. 5, 3, 6, and 9 VA
Commercial-Off-The-Shelf (COTS)
4PC Series – P.C.B. Pin Mounting
P.C.B. pin mounting High quality industrial grade Low profile, small size No cost custom modification UL\VDE\CSA\TUV models available.
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