What it is and what the ratings mean for fit
The Omron K3HB-XAD 24VAC/VDC is a panel-mount process meter from the K3HB-X series, reading process signals in the ±199.99mA range on a dual-color backlit LCD. The 24VAC/VDC supply means it works in both AC and DC control circuits without a separate power module — useful for panels with mixed supplies. The IP66 rating on the front bezel lets it handle washdown environments; the rear screw terminals are not sealed, so the panel cutout gasket is what keeps moisture out of the enclosure.
Panel integration specifics
Mounts into a rectangular panel cutout of 92.00mm x 45.00mm — a standard 1/8 DIN footprint, so it drops into existing cutouts without rework. The screw terminals accept solid or stranded wire; no special crimp tool needed for termination. Operating range of -10°C to 55°C covers most indoor panel environments but not unheated outdoor cabinets in freezing climates.
Display and readability
Dual-row LCD shows 5 characters per row; the main reading uses 0.560" (14.20mm) digits, the secondary row uses 0.192" (4.90mm) digits. The dual-color backlight (red/green) can be assigned to alarm or range conditions — a commissioning detail worth noting if the panel already uses color-coded status lamps.
Lifecycle and sourcing reality
Product status is Active per the manufacturer. No end-of-life notification, no successor part number published. This is a standard-catalog line item — quoted to order against an RFQ.