Control Catalog

IEC Switches and Disconnects ML Disconnect Switches

Section 8

Switching Diagrams

How to read the switching diagrams

Switching Diagram Number

Terminal Markings

Contact Diagram

Cam Faceplate

1

Faceplate Number

Switching Position

Contact Block (2 contacts per chamber)

First digit indicates switching angle

1.

2 = 20° 3 = 30° 4 = 45° 6 = 60° 9 = 90°

Contact diagram

Switching diagrams are sorted according to type coding.

Contact closed

1 2 3 1 2

Contact closed in (3) consecutive positions without interruption

Contact closed in both positions with interruption

1

Overlapping contact

2

or Spring return

1

Wiping contact

2

Rev. 4/16 Prices and data subject to change without notice

Control Catalog

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