NOARK · NOARK X UL Enclosed MCCB, 800–1200A, NEMA 3R
Product overview
Original NOARK X1200 Type 3R enclosed UL MCCBs with M6 electronic breakers, 800–1200A. Select breaking class, system/neutral arrangement, 80%/100% rating and the supported ground-fault option.
Technical selection summary
| Manufacturer / series | Original NOARK X-800-1200 |
|---|---|
| Assembly | UL 489 listed molded-case circuit-breaker enclosure with NOARK M6 electronic MCCB |
| Rated current | 800, 1000 or 1200A |
| Voltage | Up to 600Vac; voltage-specific interrupting ratings apply |
| Enclosure | NEMA Type 3R; steel; wall mounting |
| 480Vac interrupting class | M6S: 42kA; M6N: 65kA |
| Continuous-current rating option | 80%-rated or 100%-rated assembly; F suffix identifies the 100%-rated version |
| System / neutral | 3P-3W without neutral assembly, or 3P-4W with 1200A neutral |
| Ground fault | Optional NCS26N neutral sensor for the documented 3P-4W ground-fault assembly |
Only the Type 3R assembled codes explicitly listed in the May 2025 announcement are offered. Ground-fault sensor assemblies require the 3P-4W neutral arrangement. F denotes 100%-rated construction; it is not a flange-handle option. Select the complete listed assembly and installation clearances.
Typical applications
- Industrial and commercial feeder protection at documented 800–1200A ratings.
- Outdoor Type 3R distribution assemblies requiring a supported neutral and ground-fault sensor arrangement.
Specify your enquiry
For a focused quotation, include:
- Selected model, poles, current and all applicable configuration options.
- Actual system voltage, frequency, protection duty and required accessories.
- Quantity, installation conditions, destination and required product documentation.
Download NOARK X-800-1200 catalogue (PDF)
Product reference images and drawings
