Brand: ABB
Category: Tools
Document Type: Manual
Language: EN
Manual for REX 521
Uploaded: April 20, 2026, 7:56 p.m.
Manual Publish Date: 2018-05-02
Warranty Information
Inquire about warranty terms from your nearest ABB representative.
This manual provides operating instructions for the REX 521 cutting tool, used for modifying panel cut-outs for relay installation. It covers assembling the cutting tool, preparing the panel by removing the existing device, operating the cutting tool to widen the cut-out, finalizing the cut-out by removing sharp edges and dust, and finishing the work by installing the new replacement relay.