DC circuit breaker for distribution panels — 1 A, curve K, 2 poles
The MGN61875 is a 1 A, 2-pole DC miniature circuit breaker from the Schneider Electric Multi9 C60H-DC series. It uses a thermal-magnetic trip unit with a K curve, meaning the magnetic trip threshold is 12 x In (±20%) — designed to handle the inrush of DC loads like solenoids, relays, and control transformers without nuisance tripping. Rated for DC networks only, it carries a breaking capacity of 20 kA Icu at 220 V DC and 250 V DC, 10 kA at 440 V DC, and 6 kA at 500 V DC per EN/IEC 60947-2. That covers most industrial DC bus voltages up to 500 V DC. The 2-pole configuration protects both conductors in a DC circuit, with both poles switched and protected.
The 73 mm depth fits standard distribution board enclosures. IP20 finger-safe terminals; IP40 in the modular enclosure. Dual and triple cable entries are supported for daisy-chaining. Tropicalisation class 2 per IEC 60068-2 handles humidity up to 95% at 55 °C.