51309150‑175 is the Honeywell part number. MU‑TDOR25 is the module model code. M ...

51309150‑125 is the Honeywell part number. MU‑TDOR22 is the module model code. M ...

51309148‑275 is the Honeywell part number. MU‑TDOR55 is the module model code. M ...

51309148‑225 is the Honeywell part number. MU‑TDOR52 is the module model code. M ...

51309148‑175 is the official Honeywell part number, which is also marked as 5130 ...

Product OverviewThe MU‑TDOR12 (51309148‑125) is a high‑performance digital relay ...