What it is
The Omron NX-AD3604 is a 4-channel analog voltage input module for the NX-series I/O family, supplied in bulk packaging and intended to mount on a DIN rail in the control cabinet alongside other NX slices. Its title-level description — analogue input module, 4 voltage inputs, 24 V supply — is what tells the integrator the signal class it will accept: voltage-mode analog, not current or thermocouple/RTD specialty types.
Panel-side fit
Spring-terminal termination keeps the wiring step to a standard cage clamp, and the 0°C ~ 55°C operating envelope sits inside the usual cabinet thermal band without forcing a cooled enclosure. The unit carries the same NX mounting footprint as the rest of the series, so it drops onto the same DIN rail as the NX-AD3608, NX-AD3204, and NX-AD3208 siblings without any chassis-level rework on the panel layout.
Approval pack
The compliance stamp list — CE, cULus, C-Tick, KC, Lloyd, and NK — covers the common industrial, marine, and Asia-Pacific registration paths a parallel-import or export buyer will be asked to evidence.
Lifecycle and sourcing
Production status is current, so the part remains a live BOM line rather than a stocked-out or last-time-buy position. For MRO stocking the practical read is straightforward: keep it on the shelf as a critical spare for any NX panel running 4-channel voltage acquisition, since the module is still in active manufacture and the same spring-terminal / DIN-rail format is shared across the NX analog range, which simplifies min/max planning against the broader family. Quote-to-order remains the standard posture on this code — submit the RFQ with the NX-AD3604 reference and any NX-series context, and the supply side will return a current lead-time position against confirmed demand.