NOARK · UL DC MCCB, 1500Vdc, 200–400A
Product overview
Original NOARK MD3HVF thermal-magnetic molded-case circuit breaker for 1500Vdc circuits. The documented 200–400A busbar-terminal range has an 18kA interrupting rating at 1500Vdc.
Technical selection summary
| Manufacturer / series | Original NOARK MD3HVF |
|---|---|
| Rated voltage | 1500Vdc |
| Rated current | 200A, 225A, 250A, 275A, 300A, 325A, 350A, 400A |
| Interrupting capacity | 18kA at 1500Vdc |
| Poles / code | 2-pole DC arrangement; catalogue code T22 |
| Trip unit | Thermal-magnetic |
| Terminals | Busbar connection only |
| Handle assembly | Operating mechanism HMD3A, extension shaft and rotary handle are selected separately |
The selection table heading in the shared Essential Components catalogue says 3 Poles, while the dedicated product description and order-code guide specify the 2-pole DC design. The selector follows the exact MD3HVF…T22 order codes and the dedicated 2-pole definition. Confirm the approved DC circuit and connection diagram for the supplied unit.
Typical applications
- DC overcurrent protection for 1500Vdc photovoltaic and energy-storage equipment.
- Two-pole busbar-connected DC distribution assemblies with the exact T22 ordering configuration.
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 MD3HVF catalogue (PDF)

