KMH is Series Name: Indicates Basic Capacitor Design.
63 is DC Rated Voltage: Expressed in Volts (e.g. 63 = 63WVDC).
VN is Lead Configuration: VN = Snap-in. See diagrams for terminal
options.
272 is Capacitance Value: Expressed in microfarads. The first two
digits are significant figures, and the third digit indicates the number of
zeros for capacitance of 100µF or more. R indicates the decimal point for
capacitance less than 100µF (e.g. R47 = .27µF; 2R7 = 2.7µF; 27R = 27µF; 271 =
270µF; 272 = 2,700µF; 273 = 27,000µF).
M is Capacitance Tolerance: M = ±20%
22X40 is Case Code: See Case Sizes in Tables.
T2 is Terminal Code: T2 = 2-Pin Snap-in (Standard).