The Siemens 3RP1505-1BQ30 is a SIRIUS time relay that provides both ON-delay and OFF-delay functions, with the delay adjustable from 0.05 to 100 seconds. It is rated for a thermal current of 5 A and mounts via screw or snap-on onto a 35 mm DIN rail, fitting into a 22.5 mm wide slot.
The relay snaps onto a 35 mm DIN rail (screw mount also supported) and occupies a 22.5 mm wide slot — standard for panel integration. Mounting position is any orientation. Tightening torque for the terminals is 0.8 to 1.2 N·m.
