The Allen-Bradley 800MR-H31BLA is a locking selector switch from the 800MR series. This version is shipped with no key and has a white housing (WH). Its locking feature secures the selected position to prevent changes during operation, making it suitable for mode or function selection in electrical control panels and related equipment. The model number 800MR-H31BLA specifies this exact configuration within the Allen-Bradley lineup and is used for ordering and identification in industrial control applications.
