The A9Q41340 is an Acti9 Vigi iC60 add-on residual current device from Schneider Electric, rated 40 A with 30 mA sensitivity, AC type, instantaneous trip, for 400...415 V AC three-phase networks. It clips onto the side of an iC60 MCB via a plug-in connection, turning that MCB into an RCBO assembly without extra wiring — the RCD shares the busbar and load terminals of the breaker it mates with.
Mounts via clip-on onto DIN rail, occupying 7 x 9 mm pitches (63 mm wide). The tunnel-type terminals at the bottom accept 1...35 mm² rigid or 1...25 mm² flexible cable; wire stripping length is 14 mm, tightening torque 3.5 N.m. IP20 on the body, IP40 inside a modular enclosure.
