step down dry type tranformer primary voltage higher than second voltage phase:3/3, or 3/1 Pretection: IP20,21,22

step down dry type tranformerwith primary voltage higher than second voltage

phase:3/3, or 3/1

Pretection: IP20,21,22

1.Overall

This kind of transformers is air cooling, can be divided into “insulate transformer” and “autotransformer” according to their functions.Isolation transformer

Autotransformer

transformer with housing box

Main Voltage:

Three phase: 660V, 600V, 480V, 440V, 415V, 380V, 220V, 208V, 200V and 190V

Single phase:380, 220V, 200V, 127V, 120V, 110V, 100V, 36V and 24V.

Input /output voltage The special voltage can be customized	Three phases:110V~1000V/ Any voltage
	Single phases:12V~440V /Any voltage
Adaptation temperature	-20~40 Dec
Capacity	Single phrase :1-150 KVA
	Three phrase : 1- 2000 KVA
Height above sea level	1500M
Wave distortion	<0.1%
Efficiency	>98%
Power factor	0.8
Instantaneous overload	<200%
Frequency	50Hz/60Hz
Insulation resistance	≥5MΩ
Dielectric withstanding voltage	2KV/60S/10mA,without flashover
Heat-resisting class	E\B\F\H(optional) the commonly used in room is B level

2. Characteristics

High reliability--------The electric structure is reasonable and scientific, and all indexes meet the state standards on GB/6450 dry-type power transformer.

Environmental characteristics------ low noisy,resistant to radiation & elevated temperatures, moistureproof, highly stable, chemical compatible, with low temperatures, and nontoxic

Human interface-------shell protection, indication of current, voltage and operating state.

3.Use

We are in position to provide various dry type transformer,applicable for various machine tools, such as imported machine, ups, rectifier welding machine etc.

step down dry type tranformer