1 phase control transformer according to IEC/EN61558-2-2ST 3,2 - 4,0kVA

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1 phase control transformer

according to IEC/EN61558-2-2 for power supply of control circuits in machinery, terminal blocks (VDE0113/EN60204).

Isolating transformer

according to IEC/EN61558-2-4 for general applications, e.g. electric (galvanic) isolation for devices according to VDE0700/EN60335.

Specifications

  • Due to the use of high quality insulating materials and special insulation design, ST series can be used as control-, isolating or safety transformer.
  • Our UL insulation system guarantees global application possibilities.
  • Inrush currents and short circuit behaviour are optimised for use with motor-circuit switches, especially equipped with primary circuit thermal or magentic switching functions.
  • Transformers are fully vacuum impregnated.
  • Screw terminals contact proof according to VBG4.
  • For voltage adjusting purposes, primary winding offers taps at ±5% of nominal input voltage.
  • Transformers are protection class I ready.
  • blade terminals for ground wire connection.

    blade terminals for ground wire connection.

  • Mounting via angle brackets, any mounting position or angle possible.

The mounting position must be chosen so that a natural convection through the cooling channels can take place!

blade terminals for ground wire connection.

 

 

 

1 phase control-/isolating transformer, safety transformer

according to IEC/EN61558-2-4-6

Input voltage400 V +/-5%
Output voltage230 V
Rated frequency50/60 Hz
Output power3,2 … 4kVA
Output power40°C
Max. ambient temperatureB3 Standard
Insulation class (IEC85)B 130°C
Fire protection classUL94HB (V-0 posslible)
Open transformer 
degree of protection
IP00
Protection classI ready
  • Welded ground wire connection 2 blade terminals 6.3 x 0.8 mm
  • Mounting via angle brackets in any mounting position or angle possible
  • Screw terminals contact proof according to VBG4
  • Transformer completely vacuum impregnated

Overview: PRI 400 V /  SEK 230 V (yellow coloured rows: storage types)

Rated
power
VA
Short-time
power
at cos (phi) 0.5
VA
Rated input
current
A at 400 V
Dimensions
approx. mm
Cu
weight
KG
Total
weight
KG
Type and
Ordering No.
A
B
C
D
E
F
3.200
8.900
8,25
192
182
175
150
148
10,0×18,0
4,8
25,9
ST320400230
4.000
11.000
10,5
192
182
175
150
148
10,0×18,0
6,3
26,9
ST400400230