CHINT · High-voltage AC molded case circuit breaker
Product overview
CHINT NM8N-HV is a high-voltage AC molded case circuit breaker for applications such as photovoltaic inverter outputs and AC combiner systems. It is designed for AC operation up to 1150 V; it is not the NM8NDC DC series.
Technical selection summary
| Series | NM8N-HV |
|---|---|
| Maximum AC operating voltage | 1150 V AC |
| Catalogue voltage options | 690 V, 800 V, 1000 V and 1150 V AC |
| Catalogue frame sizes | 250 A, 400 A and 630 A |
| Pole configuration | 3P |
| Trip versions | Thermal-magnetic (TM) and magnetic (M), as specified by model |
The table summarizes the series. Not every rating and option is available in every combination. Confirm the complete manufacturer code and its applicable documents before ordering.
Typical applications
- PV string-inverter AC outputs
- AC combiner assemblies
- Higher-voltage AC distribution
Specify your enquiry
For a focused quotation, include:
- AC operating voltage
- Frame, rated current and breaking-capacity code
- Trip type and installation conditions
Download CHINT NM8N-HV catalogue (PDF)

































