ABB EH 300 Contactor

The ABB EH 300 Contactor is a heavy-duty three-pole switch rated for up to 350 A at 600 V, designed to reliably control three-phase loads in industrial environments. It features a 24 V control coil and includes an auxiliary contact for signaling or interlocking in control circuits, making it well-suited for motor control and automation tasks that require feedback. This unit is described as having a chipped corner, a cosmetic condition that does not affect electrical performance when installed and wired per specifications. The EH 300 family is commonly deployed to start and stop motors and other large three-phase loads, with the rating aligning to mid-to-high power machinery in settings such as manufacturing, HVAC, and material handling. When selecting this contactor, verify the coil voltage (24 V) matches your control circuit and ensure the current rating (350 A) and voltage rating (600 V) align with the load characteristics and supply, while the three-pole configuration and auxiliary contact provide coordinated switching and additional control logic for automated systems.