A modular pyrotechnic circuit protection system (200, 250, 300, 400, 500, 600, 750, 800, 850) comprising: an input terminal; an output terminal; and at least one disconnect module electrically connected between the input terminal and the output terminal; wherein the at least one disconnect module comprises: a nonconductive housing comprising opposed first and second lateral side surfaces (112, 114) and opposed first and second longitudinal side surfaces (116, 118) interconnecting the first and second lateral side surfaces (112, 114); a dual prong male electrical connector on the first longitudinal side surface configured to: establish a control connection via a first prong of the dual prong male electrical connector, and establish a pass through electrical connection via a second prong of the dual prong male electrical connector; a dual aperture female electrical connector on the second longitudinal side surface configured to: establish a control connection via a first aperture of the dual aperture female electrical connector, and establish a pass through electrical connection via a second aperture of the dual aperture female electrical connector; a pyrotechnic disconnect element inside the nonconductive housing and electrically connected to the first prong and the first aperture; a first terminal extending from the first lateral side surface and coupled to the input terminal; and a second terminal extending from the second lateral side surface and coupled to the output terminal; and an arc mitigation element (208, 410) connected in parallel with the at least one disconnect module between the input terminal and the output terminal. an input terminal; an output terminal; and at least one disconnect module electrically connected between the input terminal and the output terminal; wherein the at least one disconnect module comprises: a nonconductive housing comprising opposed first and second lateral side surfaces (112, 114) and opposed first and second longitudinal side surfaces (116, 118) interconnecting the first and second lateral side surfaces (112, 114); a dual prong male electrical connector on the first longitudinal side surface configured to: establish a control connection via a first prong of the dual prong male electrical connector, and establish a pass through electrical connection via a second prong of the dual prong male electrical connector; a dual aperture female electrical connector on the second longitudinal side surface configured to: establish a control connection via a first aperture of the dual aperture female electrical connector, and establish a pass through electrical connection via a second aperture of the dual aperture female electrical connector; a pyrotechnic disconnect element inside the nonconductive housing and electrically connected to the first prong and the first aperture; a first terminal extending from the first lateral side surface and coupled to the input terminal; and a second terminal extending from the second lateral side surface and coupled to the output terminal; and a nonconductive housing comprising opposed first and second lateral side surfaces (112, 114) and opposed first and second longitudinal side surfaces (116, 118) interconnecting the first and second lateral side surfaces (112, 114); a dual prong male electrical connector on the first longitudinal side surface configured to: establish a control connection via a first prong of the dual prong male electrical connector, and establish a pass through electrical connection via a second prong of the dual prong male electrical connector; establish a control connection via a first prong of the dual prong male electrical connector, and establish a pass through electrical connection via a second prong of the dual prong male electrical connector; a dual aperture female electrical connector on the second longitudinal side surface configured to: establish a control connection via a first aperture of the dual aperture female electrical connector, and establish a pass through electrical connection via a second aperture of the dual aperture female electrical connector; establish a control connection via a first aperture of the dual aperture female electrical connector, and establish a pass through electrical connection via a second aperture of the dual aperture female electrical connector; a pyrotechnic disconnect element inside the nonconductive housing and electrically connected to the first prong and the first aperture; a first terminal extending from the first lateral side surface and coupled to the input terminal; and a second terminal extending from the second lateral side surface and coupled to the output terminal; and an arc mitigation element (208, 410) connected in parallel with the at least one disconnect module between the input terminal and the output terminal.