The Zjbeny BB1‑63 2‑Pole Miniature DC Circuit Breaker offers robust overcurrent and short-circuit protection in photovoltaic and battery energy systems. Designed for up to 600 V DC and 63 A, it features a compact rail-mountable body with non-polarised switching and integrated arc-flash barriers, ideal for safe, reliable string protection in solar combiner boxes and DC distribution panels
| Rated Current (In) | 63A |
| Number of Poles | 2P |
| Rated Voltage (Ue) | 230/400V AC |
| Breaking Capacity (Icu/Ics) | 6kA to 10kA |
| Frequency | 50/60Hz |
| Tripping Curve Type | C or D curve |
| Mounting Type | DIN rail |
| Standards Compliance | IEC/EN 60898-1 or IEC/EN 60947-2 |
| Operating Temperature Range | -5°C to +40°C |