Part Number: VD4/P 12.12.32
Model: VD4 MV Circuit Breaker
Manufacturer: ABB
| Item | Specification |
|---|---|
| Part Number | VD4/P 12.06.32 |
| Product Family | VD4/P Vacuum Circuit‑Breaker |
| Product Type | Indoor Draw‑out Vacuum Circuit‑Breaker |
| Rated Voltage (Ur) | 12 kV |
| Rated Current (Ir) | 630 A |
| Rated Short‑circuit Breaking Current (Isc) | 31.5 kA |
| Rated Short‑time Withstand Current (Ik) | 31.5 kA / 3 s |
| Rated Peak Withstand Current (Ip) | 80 kA |
| Rated Frequency | 50 Hz / 60 Hz |
| Operating Mechanism | Spring operating mechanism |
| Arc Extinguishing Unit | Vacuum interrupter |
| Installation Type | Draw‑out type, for indoor switchgear cubicle |
| Insulation Level | 12 / 28 / 75 kV |
| Mechanical Endurance | 10000 operations |
| Electrical Endurance (rated breaking current) | 50 operations |
| Auxiliary Contacts | Configurable auxiliary contact blocks |
| Protection Degree | IP20 (cabinet internal) |
| Operating Temperature | -5 ℃ ~ +40 ℃ |
| Storage Temperature | -25 ℃ ~ +70 ℃ |
| Relative Humidity | Max 95 %, non‑condensing |
| Compliance Standard | IEC 62271‑100, GB 1984 |
| Net Weight | Approx. 115 kg |
| Application Object | Transformer, HV motor, feeder, busbar protection |
VD4/P 12.06.32 is ABB indoor draw‑out vacuum circuit‑breaker of VD4/P series for 12kV medium‑voltage distribution system. It uses high‑performance vacuum interrupter for arc extinction. Equipped with spring operating mechanism, supports electrical and manual closing and tripping. Draw‑out structure fits for installation inside MV switchgear cubicle. It provides reliable protection for transformers, high‑voltage motors, busbars and power feeders. Featuring long mechanical and electrical service life, low maintenance workload. Suitable for industrial plant, power auxiliary system and municipal power distribution scenarios.
