Half-module circuit breaker 2 x 15 A 1p and 1 x 40 A 2p 10 ka. The Q21540CTNC is a half-module circuit breaker from the Q series, consisting of two single-pole circuits of 15 A and one double-pole circuit of 40 A. If you are short on space in your panel, use this space saver to double your circuits. Simply replace it.
