The 5SU1354-7RC32: The C characteristic means the magnetic trip operates at 5 to 10 times rated current — typical for mixed resistive and moderate inductive loads like small motor circuits or lighting panels where inrush is not extreme. Type A residual-current detection covers pulsating DC fault currents and sinusoidal AC — the common choice for circuits with single-phase rectifiers, switching power supplies, or electronic loads that generate smooth DC ripple.
Breaking capacity and selectivity
Rated breaking capacity is 10 kA per EN 60898 and 15 kA per IEC 60947-2. The higher IEC figure applies when the device is used as a circuit breaker in industrial distribution; the EN figure governs residential or commercial final circuits. Either way, the 15 kA rating gives headroom for coordination with an upstream 25 kA or 36 kA main breaker in a typical panel.
Mounting and environment
Snap-on DIN-rail mount, 36 mm wide (2 MW), 70 mm deep. Rated IP20 with conductors connected — standard for enclosed distribution boards. Ambient range -40 °C to 75 °C, with max 95 % humidity. Mounting position any, so it fits horizontal or vertical busbars without derating.