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ABB Zenith ZT30 Operation And Maintenance Manual page 3

Short-time rated ats and bypass isolation ats

Table of Contents

Section 6.0: Entelli-Switch 250 Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Section 6.1: Entelli-Switch 350 Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Section 7: Accessories Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

List of Major Accessory Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table T7-1: Troubleshooting and Diagnostics . . . . . . . . . . . . . . . . . . . . 57

Table T7-2: Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Zenith Automatic Transfer Switch | new.abb.com/low-voltage

Table of Contents

Zenith zb30