Schneider Electric LA1-LB019 Accessory Contact Block

The Schneider Electric Telemecanique LA1-LB019 Accessory Contact Block adds a 1 NO + 2 NC auxiliary contact set to compatible contactors and self-protected motor starters, enabling extended control circuits in industrial motor control systems. It is commonly installed in motor control centers, conveyors, pumps, compressors, packaging machinery, and industrial control panels to provide dependable interlocking and status feedback for automation equipment. Key specifications include a 3 A rated operational current at 240 VAC, instantaneous contact operation, and screw clamp terminals, with side-mount installation onto compatible Telemecanique contactors. The block is designed for use with Telemecanique (Schneider Electric) contactors and self-protected combination motor starters and is listed as a discontinued legacy model. Common replacements include Schneider Electric LA1LB021 Auxiliary Contact Block, Siemens 3RH29 Auxiliary Contact Block, and Allen-Bradley 100-S Auxiliary Contact Block.