Patent ID: 8129641

Claim:
An installation switching device comprising: a housing having a terminal connecting area and including a front face, and a narrow face; a screwless spring-loaded terminal fixed in position in the terminal connecting area and including: a clamping spring having a contact limb; a clamping limb having a clamping window with a clamping edge; and a curved spring rear connecting the contact and clamping limbs and configured to interact with a mount part surrounding a clamping strip, such that a connecting conductor is clampable between a rear face of the clamping strip and the clamping edge; and a spring operating lever pivotably connected to the housing and configured to be operated outside the housing, the spring operating lever including a bending arm and an operating arm, the bending arm being configured to press on the spring rear when pivoting from a rest position to an open position so as to cause the clamping window to release a clamping opening on the rear face of the clamping strip for insertion of the connecting conductor and the operating arm, in the rest position, projecting outside along the insertion direction and at a right angle from the narrow face and being flush with the front face of the housing.