A removable modular control assembly includes a structure including a first end portion, a second end portion, and an intermediate portion. A first interlock feature is arranged at the first end portion and a second interlock feature is arranged at the second end portion spaced from the first end portion. At least one shell member includes a first end section, a second end section and an intermediate section having at least one control module receiving section formed therein. The first end section includes a first interlock element engageable with the first interlock feature and the second end section includes a second interlock element engageable with the second interlock feature. The at least one shell member is configured to be strain locked to the structure through a lengthening of the intermediate portion.