jotron TR-7750C - AC Input Connector

Jotron AS| TR7750C: Operators Manual  Functional description
Page 3-15
P/N: 84748 (G)
3.6.3 AC Input connector
Input for external AC.
AC is input between A and C, B is chassis ground.
The voltage range is from 85 to 250 VAC
Figure 3.6-4, AC input connector, PSU