What it is and where it goes
The XS4P30MB230: This is an M30 threaded inductive proximity sensor from the XS4 family, normally-closed output, built to survive wet environments. IP68 means it's rated for full submersion – not just splash – and the PPS body with nickel plating holds up against the H2S and caustic washdown you see in lift stations and treatment plants. The 15mm unshielded sensing distance is standard for a 30mm housing; you won't need flush mounting, so keep the target face clear of surrounding metal. It runs on 24-240V AC or DC – one sensor covers both worlds – and the 2-wire NC circuit pulls up to 300mA. The indicator light gives a quick visual on target presence, handy when you're swapping out a failed unit in a cramped panel.
Interchangeability with XS4P18AB120?
No, it won't drop into a panel wired for XS4P18AB120. That sensor is an 18mm body (M18 thread) with analog output and IP67; the XS4P30MB230 is M30, 2-wire NC, and IP68. They share the XS4 family name but the mechanical and electrical differences are too large for a direct swap without rework.
Lifecycle and sourcing
Compliance documents cover CCC, CE, CSA, Ecolab, RoHS, and UL Listing – a single part number satisfies most global panel spec sheets without stacking multiple approvals.
Mounting and wiring notes
Threaded M30 barrel, comes with a 2-meter prewired cable terminated in bare wires. Cable entry is fixed; plan your gland plate or conduit exit accordingly. The 62mm overall height leaves room for a locknut and target proximity. No special shielding required for the sensing face – unshielded gives you full 15mm range but watch ferrous material behind the sensor.