Schneider Electric 9998SL11 Replacement Contact Kit

The Square D 9998SL11 Replacement Contact Kit restores electrical switching performance in NEMA Size 5 contactors and motor starters by replacing worn main contacts. Designed for use with Square D Class 8502SG contactors, 8536SG Type S motor starters, and 8903SX lighting contactors, it supports preventive maintenance and refurbishment in industrial motor control centers, manufacturing equipment, HVAC systems, and power distribution applications. This 3-pole kit (MPN 9998SL11) carries a 300 A current rating and includes movable contacts, stationary contacts, springs, and installation hardware to rebuild the switching surface without replacing the full assembly. Manufactured in Mexico, the kit is used by maintenance teams, OEMs, and system integrators to extend service life and maintain reliable motor control, with an 18-month manufacturer warranty. Common replacements include 9998SL12, 9998SL13, and 9998SL14.