NewTrend · residual current circuit breaker
Product overview
YL10 is a residual current circuit breaker without integral overcurrent protection. This page offers the commonly used Type AC, instantaneous, 30mA versions in 25, 40 or 63A with linked two-pole or four-pole supply voltages. Provide suitable upstream overload and short-circuit protection. 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 | YL10 |
|---|---|
| Device function | RCCB without integral overcurrent protection |
| Versions on this page | Type AC; instantaneous; 30mA |
| Rated currents | 25 / 40 / 63A |
| Pole / voltage selection | 1P+N:240V AC; 3P+N:415V AC |
| Rated insulation voltage | 500V |
| Rated frequency | 50/60Hz (electrical parameter table) |
| Impulse withstand voltage | 4kV |
| Rated conditional short-circuit current Inc / IΔc | 6kA; conditional rating, not MCB breaking capacity |
| Rated residual making / breaking capacity IΔm | 500A below 63A; 10 times In at 63A and above |
| Residual non-operating current | 0.5 times IΔn |
| Instantaneous breaking time | 0.1s at 1x IΔn; 0.08s at 2x; 0.04s at 5x |
| Mechanical / electrical life | 4,000 operations |
| Protection | IP20 direct installation; IP40 inside distribution box |
| Ambient / storage temperature | -25 to +40 degC / -25 to +60 degC |
| Conductor capacity | Solid copper 1-25mm2; flexible / ferruled 1-16mm2 |
| Connection depends on release principle | ELM:top or bottom; ELE:top line. Verify the supplied version before wiring. |
| Other catalogue options | Type A, other sensitivities and delayed operation are catalogue references; not selectable on this page. |
| Catalogue standards | IEC61008-1; GB/T16916.1 |
| 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 YL10 original catalogue technical data (PDF)
Product reference images and drawings
Original catalogue technical tables
Use the selected catalogue ratings and verify the supplied version before installation. Installation and wiring must be performed by qualified electricians.
