NDK series control power transformer

Mouse over to zoom in
▇ Model number and description
Model numberRated capacityExternal dimensionsMounting holes distanceOnline store:
NDK-2525VA80*83*82mm62.5*50mm
NDK-5050VA85*89*84mm70*58mmUS $13.05 - 15.59/ pieceOrder (4)
NDK-100100VA103*93*99mm85*64mmUS $17.16/ pieceOrder (2)
NDK-150150VA103*100*99mm85*72mm
NDK-200200VA103*112*99mm85*83mm
NDK-250250VA130*130*135mm100*80mmUS $39.24/ pieceOrder (3)
NDK-300300VA130*135*135mm100*84mm
NDK-500500VA148*155*153mm110*114mm
NDK-700700VA173*158*168mm125*100mm
NDK-10001000VA173*180*168mm125*113mm
NDK-15001500VA265*190*270mm220*112mm
NDK-20002000VA265*200*280mm220*120mm
NDK-30003000VA265*220*305mm220*142mm
NDK-40004000VA315*240*305mm260*162mm
▇ General
Model number NDK series
Rated capacity 25, 50, 100, 150, 200, 250, 300, 400, 500, 700, 1000, 1500, 2000, 2500, 3000, 4000, 5000VA, 6KVA, 7KVA, 10KVA, 15KVA, 20KVA
Input voltage AC 220V, 230V, 380V, can be customized
Output voltage AC 220V 110V 36V 24V 12V 6V, can be customized
Freqency 50/60Hz
Phase Single-phase
Coil quantity Double winding (Isolation transformer)
Coil structure Core type (EI laminated core)
Core material Silicon steel sheet
Winding material Copper wire
Insulation resistance ≥20MΩ
Efficiency AC: ≥95%
Cooling method Natural air cooling, dry type
Operating temperature -5 to 40℃, 24h average temperature ≤35℃
Usage Machine tool control, industrial control. Also called machine tool control isolating transformer.
FAQ Q: Are different output taps isolated from each other?
A: No. Secondary side is single winding multi-tap. No isolation between output taps.

Q: Is this an autotransformer?
A: No. It is double winding isolation transformer, primary and secondary are electrically separated.