ABB PST - Page 171

Low Voltage Products & Systems 171
ABB Inc. • 888-385-1221 • www.abb-control.com AC 1006.9 - 5/03
Chapter 12 - Diagrams
12:3 Circuit Inline diagram PSTB370...PSTB1050
Figure 3: Circuit diagram PSTB370...PSTB1050
Terminal 3 is a functional ground, it is not a protective
ground. It shall be connected to the mounting plate.
1
1
SEE CHAPTER 3
FOR ACROSS THE
LINE (AC3) RATINGS