RCCB and RCBO — Earth Leakage Protection
Residual-current protection fails in two expensive ways: specifying an AC-type device where the market needs Type A (pulsating DC component — solar inverters, EV chargers, switch-mode loads), and ordering an “RCBO” that is actually a leakage attachment with no overcurrent protection.
- NL1-63 — RCCB (no overcurrent protection), 2P/4P, 30/100/300/500 mA
- NB1L / NXBLE-63 — RCBO: overload + short-circuit + earth leakage in one module
- NB2LE — RCBO family with published UKCA/EAC certificate coverage
- Type AC vs Type A availability differs per series — tell us the load type and the country and we quote the correct one.
Full rating tables (In, IΔn, Icu per ordering code) are supplied from the datasheet PDF on request — we do not guess them onto a public page.
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