| Item | Parameter |
|---|---|
| Model | EPM3‑320 3P |
| Poles | 3P |
| Rated Operational Voltage Ue | DC1500V |
| Rated Current In | 63‑320A Adjustable |
| Rated Insulation Voltage Ui | 1250V |
| Impulse Withstand Voltage Uimp | 8kV |
| Ultimate Short‑circuit Breaking Capacity Icu | 20kA |
| Service Short‑circuit Breaking Capacity Ics | 20kA |
| Trip Type | Electronic Trip |
| Standard | IEC/EN 60947‑2, GB/T 14048.2, Cat A |
| Housing Material | Nylon66 Flame‑retardant |
| Terminal | M10 Copper Terminals |
| Mounting | DIN Rail / Panel Mount |
| Certification | CE,CB,UKCA,CCC,SAA,RoHS,ISO9001 |
| Application | Solar PV energy storage DC system |
| MOQ | 5pcs |
EPM3‑320 3P DC MCCB Molded Case Circuit Breaker is specially designed for high‑voltage DC solar photovoltaic & energy‑storage systems. Adopts high‑precision electronic trip unit, current adjustable from 63A‑320A, realize accurate overload & short‑circuit protection.
DC1500V High DC Voltage Rating: Perfect match for large‑scale PV array, battery energy‑storage cabinet DC side, stable performance under high DC working condition.
20kA High Breaking Capacity: Icu=Ics=20kA, fast extinguish electric arc, effectively cut short‑circuit fault current, protect whole DC system safety.
Electronic Trip Unit ±1.5% High Precision: Compared with thermal‑magnetic MCCB, electronic trip owns higher protection accuracy, avoid mis‑trip or fail‑trip. Wide adjustable current range 63‑320A for flexible project matching.
Rugged Construction: Nylon66 flame‑retardant molded case, M10 thick copper terminals, reliable conductive performance. Support DIN‑rail installation and panel mounting, convenient for cabinet assembly.
Complete Certifications: Comply with IEC/EN60947‑2 international standard, CE, CB, UKCA, CCC, SAA, RoHS, ISO9001 approved, fully meet export project requirements.
Manual Push‑to‑trip Test Button: Easy function test before commissioning, convenient for daily maintenance.
