Honeywell BZ3AST Overtravel Plunger Limit Switch

The Honeywell BZ3AST Overtravel Plunger Basic Switch is a compact limit switch from Honeywell that uses an overtravel plunger to detect end-of-travel position in a control system. This basic switch provides a clear actuation signal in response to movement of a machine component, helping to trigger corresponding control logic without requiring additional accessories. The model name BZ3AST identifies the overtravel plunger configuration within Honeywell's line of limit switches, making it suitable for retrofit or new installations where a reliable position-sensing device is needed. It is used to sense the position of moving parts in industrial equipment to generate a signal for control circuits or safety interlocks. Because it is described as a basic switch, it emphasizes straightforward electrical interfacing with standard control systems. The information here focuses on identity and core function: a Honeywell-manufactured limit switch with an overtravel plunger designed for end-of-travel sensing in mechanical systems.