Allen-Bradley 800MR-QMB24RA is a 22.5 mm round push-button operator with a red lens designed for 24 V AC/DC control circuits, part of the 800MR family. It uses a full-voltage mushroom head with a 1 normally open and 1 normally closed contact configuration and supports either stab terminations or no termination depending on wiring needs. The unit is rated for Type 13 IEC I44 enclosures with IP65 oil-tight protection, and it carries UL, CSA, and IEC 529 certifications; operating temperature is 0 °C with 50% humidity at 40 °C and storage down to -40 °C. Illumination is accommodated via a latch cartridge illumination module, enabling an illuminated status when powered.
