The Siemens SENTRON 5SV3614-6BA is a 2-pole residual current circuit breaker (RCCB) from the 5SV3 design family, rated 40 A at 230/400 V AC with a 300 mA Type A tripping residual current.
Thermal derating and conductor sizing
Above that, derate linearly: 38.1 A at 45 °C, 35.59 A at 50 °C, 32.29 A at 55 °C, 28.19 A at 60 °C, 23.3 A at 65 °C, and 17.62 A at 70 °C.
Snap-on DIN rail (REG) mount, 36 mm wide (2 width units), 90 mm tall, 70 mm installation depth. Feed from top or bottom; the supply position is flexible. IP20 with the distribution board installed and conductors connected — standard for enclosed panel use. Finger and back-of-hand safe terminals reduce shock risk during maintenance.