An electrical connector to be mounted on an electrical circuit board, and to be connected to a flat conductive member (C), comprising: a housing including a receiving portion for inserting the flat conductive member (C) therein; a plurality of terminals arranged in the housing in a terminal arrangement direction; a movable member ; and a fixing metal member held with the housing having a plate thickness aligned with the terminal arrangement direction, wherein said movable member includes a supported portion and an engaging portion , said supported portion is supported on the housing so that the movable member is rotatable between an open position and a closed position, said engaging portion is configured to engage with an engaged portion (C2A) formed in the flat conductive member (C) when the movable member is situated at the closed position, said fixing metal member includes a fixing portion to be fixed to the electrical circuit board, a regulating portion for restricting the movable member , and an engaging section for engaging with an engaged portion of the movable member at each of the open position and the closed position, so that the movable member is maintained at each of the open and closed positions, said fixing metal member further includes a plurality of leg portions extending toward the electrical circuit board when the connector is mounted on the electrical circuit board, said leg portions being wherein each of said fixing portion , said regulating portion , and said engaging portion of the fixing metal member is disposed on a fixing leg portion , a regulating leg portion and an engaging leg portion , respectively, of the leg portions . a housing including a receiving portion for inserting the flat conductive member (C) therein; a plurality of terminals arranged in the housing in a terminal arrangement direction; a movable member ; and a fixing metal member held with the housing having a plate thickness aligned with the terminal arrangement direction, wherein said movable member includes a supported portion and an engaging portion , said supported portion is supported on the housing so that the movable member is rotatable between an open position and a closed position, said engaging portion is configured to engage with an engaged portion (C2A) formed in the flat conductive member (C) when the movable member is situated at the closed position, said fixing metal member includes a fixing portion to be fixed to the electrical circuit board, a regulating portion for restricting the movable member , and an engaging section for engaging with an engaged portion of the movable member at each of the open position and the closed position, so that the movable member is maintained at each of the open and closed positions, said fixing metal member further includes a plurality of leg portions extending toward the electrical circuit board when the connector is mounted on the electrical circuit board, said leg portions being wherein each of said fixing portion , said regulating portion , and said engaging portion of the fixing metal member is disposed on a fixing leg portion , a regulating leg portion and an engaging leg portion , respectively, of the leg portions . <EOS>