Schneider Electric 9999SB-7 Power Pole Adder

Schneider Electric’s Square D 9999SB7 Power Pole Adder is a single-pole add-on kit for Type S NEMA contactors and starters, providing one normally closed power pole to extend a basic two- or three-pole device. It is rated for 30 A lighting applications and is specified for NEMA Sizes 0 and 1, allowing an additional circuit to be controlled without replacing the base contactor. The kit belongs to Schneider Electric’s 9999 class of power pole adders, designed for field installation on Type S equipment to tailor pole count to your wiring needs. The 9999SB7 configuration specifically accommodates a single normally closed power pole, making it suitable when a normally closed auxiliary contact is required on a 30 A Type-S ensemble. This reference was discontinued by Schneider Electric on November 11, 2020, with end-of-service dated December 31, 2020.