Block ESS120 Catalog Page

Variable transformer

ESS 120

Advantages

Stepless adjustment of the AC voltage from zero to the maximum value

Self-cleaning of the exposed contact tracks

4-point flange mounting

Rotary knobs and scales optionally available

Applications

Variable auto transformer for continuous adjustment of AC voltages or
currents under load.

Sample application

Standards t Z

Variable transformer
to: VDE 0552

Picture shows ESS 120

Approvals Z

Variable transformer

+

-

30

ESS 120

Type ESS 120

Input

Rated frequency
Rated input voltage

Output

Angle of rotation
Rated output voltage
Rated output current

Environment

Ambient temperature max.

Safety and protection

Insulation class
Protection index
Test voltage control spindle

Order numbers

Order Number

50 - 60 Hz
230 Vac

320 °

0...230/250 Vac

20.00 A

45 °C

B
IP 00
4 kV

ESS 120

Type ESS 120

Terminal and mounting

Fixing method
Terminals

Measures and weights

Weight

Accessory

Rotary knob (optional)
Scale (optional)

8.0

4-point bolted flange joint
Screw-type terminals

14.00 kg

AZ 50/8-1
SK/120

11.0

231.0

180.0

32.0

121.0

243.0

Subject to change.