Product Description


BUST Series

Control Transformer

PRI 230 - 500 Vac, SEC 24 - 2 x 115 Vac, 1,000 - 10,000 VA


  • Contact protected screw connection terminals complying with UVV BGV A3
  • Primary side ±5 % tappings for voltage adjustment
  • High power density due to a compact construction design
  • Low height
  • Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation


Control Transformers

Control transformers with galvanic isolation are used for supplies of control systems with more than two consumers in accordance with EN 60204. Designed in accordance with VDE 0113, control transformers also provide continuous power in the event of short-term overloads. BLOCK's standard range includes power ratings of between 20 VA and 25,000 VA.

  • Supply of control systems in accordance with EN 60204
  • Control transformer in accordance with VDE 0113
  • Power output: 20 VA to 25,000 VA


Control transformer for the electrical isolation of the input and output sides. The design of the transformer makes it suitable for the supply of control systems complying with EN 60204.



Class B


Up to 96.8 %

Degree of Protection

IP 00

Rated Output Voltage

24 - 230 Vac

Rated Power

1,000 - 10,000 VA

Rated Input Voltage

230 - 500 Vac

Maximum Ambient Temperature

40 °C


VDE 0570 Teil 2-2, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2, UL 5085-1/-2, CSA 22.2 No.66


UL 5085-1/-2, CSA 22.2 No.66

Specifications vary between configurations. Refer to the Configurations below for more information and links to the manufacturer's website.


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