The ABB product TEDFP1 is a filler plate designed to fit branch breaker slots and is compatible with a range of breakers, including the TQD, THQD, TED4, SE, and FB series. This component helps maintain proper spacing and secure installation when certain breaker positions are left empty. Distributed by BSP Automation, the TEDFP1 is a reliable accessory for ensuring system integrity and neat panel setups. In the field, some professionals casually refer to this type of part as a "slot plug," keeping things straightforward when discussing system layouts.