ABB MPMT3-11R Illuminated Pushbutton Brand: ABB. Part Number: MPMT3-11R. ABB Illuminated Pushbutton, Emergency Stop Modular, 0.042 mm H x 0.042 mm W x 0.067 mm D Size, Momentary Contact Mode, Twist-Release Operator, NEMA 1/3R/4/4X/12/13/IP66 Enclosure, Bezel/Housing: Black Plastic Bezel, -25 to 70 deg C, Polycarbonate, Red. Additional Description: ABB -MPMT3-11R (N) ESTOP 40MM TWIST RED ILL NON-CANCELABLE, NON-RETURNABLE. Catalog Description: Modular Emergency Stop - Twist release - Mushroom 40mm - Red - Illuminated - Black - No contact block..