ABB C100/C250/C150/V100/V250 Arc Suppression Fitting Instructions

This document provides instructions for fitting arc suppression components (part B9303) across relay contacts when switching inductive loads in ABB C100/C250 process controllers, C150 process indicators, and V100/V250 valve positioners. It includes a wiring diagram (Fig. 1.1) showing the suppression component placement across the normally open (NO) and common (NC) terminals on the terminal block.