NOARK · NOARK X UL Enclosed MCCB, 30–600A, NEMA 1/12/3R
Product overview
Original NOARK X series enclosed UL MCCBs for independent mounting in power-distribution systems. Select a documented M1–M4 frame/neutral arrangement, current, enclosure and interrupting class.
Technical selection summary
| Manufacturer / series | Original NOARK X-30-600 |
|---|---|
| Assembly | UL-listed enclosed breaker assembly; NOARK M1–M4 UL 489 thermal-magnetic MCCB |
| Published assembled currents | M1: 30/60/100/150A; M2: 175/200/225/250A; M3: 300/350/400A; M4: 400/500/600A |
| Voltage | Up to 600Vac; use the voltage-specific short-circuit rating |
| Enclosures | NEMA Type 1, Type 12 or Type 3R |
| System / neutral | 3P-3W without neutral terminal, or documented 3P-4W one-/two-hole neutral assembly |
| Breaking class at 480Vac | M1/M2 S/N/H: 35/65/100kA; M3/M4 S/N/H: 42/65/100kA |
| Ordering | Each frame/neutral/current/enclosure/class combination is checked against a complete assembled catalogue code |
The manufacturer markets the wider 15–600A family. This selector offers the exact assembled 30–600A codes tabulated in the full catalogue; 15–29A or other custom assemblies require confirmation. Match enclosure type, neutral terminal, conductor size and actual system short-circuit rating.
Typical applications
- Independently mounted feeder and equipment-circuit protection in industrial and commercial buildings.
- Distribution assemblies requiring a NEMA 1, 12 or 3R steel breaker enclosure and an exact neutral 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-30-600 catalogue (PDF)
Product reference images and drawings
