Allen-Bradley 100-A09ND3 Contactor Type 1 Coil

Allen-Bradley 100-A09ND3 Contactor Type 1 Coil (Series B) is a three-pole, non-reversing AC contactor designed to switch three-phase loads up to 600 VAC. The coil is rated for 110–120 VAC, suitable for standard control circuits, and it provides a single normally open auxiliary contact for interlock or signaling. This open-style unit is designed for DIN rail mounting in control panels, making it a compact solution for automation enclosures. The 100-A09ND3/B variant is cataloged with a 9 A AC-3 load rating, confirming suitability for motor control tasks up to 9 A. Note that this model has been discontinued by the manufacturer, so current availability depends on stock from distributors or refurbished suppliers. The Series B designation differentiates it within the 100-A family, providing reliable power switching for a range of industrial applications, including control of motors, conveyors, and other equipment in automation and building control systems.