This article provides a complete reference for the proper installation, operation, and maintenance of LS Electric’s Susol MCCB UTD series, including UTD250, UTD400, and UTD600 frames. It compiles critical documents such as:

• UL-certified installation manuals for 250AF and 400AF/600AF models (4P)

• English-language maintenance and operation manual for Susol MCCBs

Contents include step-by-step instructions for breaker mounting, terminal torque specs, accessory wiring guidelines, manual operations, and safety warnings in multiple languages.

Ideal for field engineers, panel builders, and maintenance teams requiring reliable reference material during commissioning or troubleshooting.