NewTrend · miniature circuit breaker
Product overview
YM9N is a compact thermal-magnetic circuit breaker for overload and short-circuit protection. This page opens the original C32, 1P+N configuration; the official catalogue gives a 6-40A series range, but does not enumerate every intermediate current rating. Product photographs are series appearance references with original electrical nameplates retained. Electrical selection and the technical data below follow the official catalogue; verify the supplied version against the selected specification.
Technical selection summary
| Series | YM9N |
|---|---|
| Configuration on this page | 32A; 1P+N; curve C |
| Catalogue current range | 6-40A; other discrete ratings not opened here |
| Rated operational voltage | 240V AC (official catalogue) |
| Rated insulation voltage | 400V |
| Rated frequency | 50/60Hz |
| Release | Thermal-magnetic |
| Rated breaking capacity Icn / Ics | 6kA / 6kA |
| Impulse withstand voltage Uimp | 4kV |
| Dielectric test | 2000V / 1min |
| Curve C instantaneous release | 5-10 times In |
| Mechanical / electrical life | 10,000 / 4,000 operations |
| Protection | IP20 direct installation; IP40 inside distribution box |
| Reference / ambient / storage temperature | 30 degC / -25 to +60 degC / -25 to +70 degC |
| Conductor capacity | Solid copper 1-16mm2; flexible / ferruled 1-10mm2 |
| Connection | Top or bottom, as specified in catalogue |
| Catalogue standards | IEC60898-1; GB10963.1 |
| Photograph reference | Product photographs are series appearance references with original electrical nameplates retained. Electrical selection and the technical data below follow the official catalogue; verify the supplied version against the selected specification. |
Typical applications
- AC distribution boards and terminal circuits
- Commercial, residential and industrial distribution installations
View or download YM9N original catalogue technical data (PDF)
Product reference images and drawings
Use the selected catalogue ratings and verify the supplied version before installation. Installation and wiring must be performed by qualified electricians.

