Siemens Pushbutton Control Station, Series: 50 Series, 600 VAC, 5 A, 3 Operators, 1NO-1NC, Momentary Contact Mode, 5 A at 600 VAC Contact, Round Flush Operator, START/JOG/STOP Legend, NEMA 1/B600, Surface Mount, Metal, Gray Enamel Coated, 5-11/16 in H x 2-11/16 in W x 2-11/16 in D