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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: CNGNA
  • Model Number: SG SBK
  • Usage: Power
  • Phase: Three
  • Coil Structure: Toroidal
  • Coil Number: Autotransformer
  • Input voltage: 660v,415v,400v,380v,220v
  • Output voltage: 380,220v,110v,36v,24v

Packaging & Delivery

Packaging Details Wooden box or Polyfoam
Delivery Time 10 days

Specifications

1.Input voltage:rated voltage +/-10%
2.Output voltage:rated voltage +/-5% (no load)
3.Efficiency: over 95%
4.MOQ: 1 set

Description of the voltage transformer :

 

SG series three phase dry type transformer

  accept all kinds of input and output voltage, and all kinds of power capacities, Dry-type,Isolation,Control,Power,CE certification


Overview

  DG and SG series single - phase and three - phase dry type transformer adopts high quality material and advanced technology , it has advantages of damp - proof and convenient maintenance, it can be applied to such power transmission and distribution places like underground railway , high building, airport, station, wharf, enterprise, tunnel, etc. It is mainly used in power supply occasions of AC 50~60Hz and voltage less than 1000V. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users’ requirements.  

 

Working conditions

1.Ambient temperature: -15°C~+40°C
2.Altitude: <1000m
3.Relative humidity: <90%
4.Environment exists without gas, steam, chemical deposition, dust or dirt that will affect transformer’s insulation seriously, also explosive or corrosive medium is not allowed.
5.If any special working conditions that are not in line with the above stipulations, user shall negotiate with us.

 

Model and meaning 

 

 

Main technical characters

1.Input voltage: rated voltage ±10%
2.Output voltage: rated voltage +5% (no load)
3.Efficiency: ≥95%
4.Waveform distortion: no additional waveform distortion
5.Function: indication of input voltage, output voltage and current.
6.Protection: over-current protection
7.Can operate itself without anybody attending for a long term
8.Insulation resistance: ≥50MΩ
9.Electric strength: no breakdown or flashover phenomenon under power frequency sine voltage of 2000V for 1min
10.Overload capability: for 1min under two times of rated current

 

Technical data

Model&capacity(KVA)

Dimension(cm)

Install size(cm)

weight

SG-1.5

18x11x18

8x15

9

SG-2

23x15x22

10x14

13

SG-3

26x20x25

12x18

23

SG-4

30x20x28

14x20

28

SG-5

30x20x33

15x27

32

SG-6

30x21x33

15x31

53

SG-8

35x21x35

15x32

62

SG-10

42x21x42

15x32

75

 

 

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