| Item | Parameter |
|---|---|
| Model | EPM3‑320 2P |
| Poles | 2P |
| Rated Voltage Ue | DC 1000V |
| Rated Current In | 63‑320A adjustable |
| Ultimate Short‑circuit Breaking Capacity Icu | 20kA |
| Service Short‑circuit Breaking Capacity Ics | 20kA |
| Insulation Voltage Ui | 1250V |
| Impulse Withstand Voltage Uimp | 8kV |
| Trip Type | Thermal‑magnetic (overload & short‑circuit protection) |
| Standard | IEC/EN 60947‑2, GB/T 14048.2 |
| Certificate | CE, RoHS, ISO9001 |
| Application | Solar PV system, energy storage, DC power distribution |
| Mounting | Rail / Screw fixed installation |
EPM3‑320 2P DC MCCB is specially developed for high‑voltage DC systems such as solar photovoltaic and energy storage. Rated up to DC1000V, breaking capacity reaches 20kA, delivers reliable overload and short‑circuit protection for DC circuits.
High DC Breaking Performance Icu=Ics=20kA@1000VDC, excellent arc‑extinguishing structure, safely cut off DC fault current for PV and energy‑storage projects.
Wide Adjustable Current Range Current range 63A‑320A, flexible to match different capacity solar arrays and battery energy storage systems.
Superior Insulation Safety Ui 1250V, Uimp 8kV impulse withstand voltage, adapt harsh outdoor PV working environment.
Thermal‑magnetic Trip Unit Bimetallic thermal for overload protection; magnetic trip for instant short‑circuit cut‑off. Equipped with push‑to‑trip test button for regular function inspection.
Robust Moulded Case Construction High‑strength flame‑retardant housing, compact dimension, easy installation in DC combiner box, power cabinet.
Full Compliance Certification Designed strictly follow IEC/EN60947‑2 & GB/T14048.2, CE & RoHS approved, suitable for global export projects.




