3 circuits: 1 circuit with 2 longitudinal tabs for quick-connect 6.3 x 0.8 mm, 0.248 x 0.031 in, possibility of testing and transverse connection and 2 circ, uit with 2 longitudinal tabs for quick-connect 6.3 x 0.8 mm 0.248 x 0.031 in,, - Use of jumper bars requires to cut out the precut partition