The SACE HF series air circuit breaker is a new product customized by ABB for the Chinese power distribution system, which embodies ABB's deep understanding of the Chinese power distribution system and is especially suitable for use in building power distribution systems.
The SACE HF series air breakers are designed by ABB specifically for Chinese power distribution systems, offering compact size and modular construction for easy installation in building distribution panels. The series includes multiple current ratings and protection features that meet IEC 60255‑3 standards.
Key features include intelligent electronic trip units with LCD displays, selectable protection curves, and built‑in current measurement functions. The breakers provide high short‑circuit breaking capacity, long mechanical and electrical life, and optional auxiliary contacts for enhanced safety and maintenance. This manual is written in Chinese.
| Rated Voltage | 440 V |
|---|---|
| Short‑Circuit Breaking Capacity (220‑415 V) | 50 kA |
| Short‑Circuit Breaking Capacity (440 V) | 65 kA |
| Mechanical Life | 10 000 operations |
| Electrical Life (440 V) | 6 000 operations |
| Fixed‑type Dimensions | 268 × 181 × 210 mm |
The SACE HF series provides a short‑circuit breaking capacity of 65 kA for 440 V applications.
The breaker is rated for 10 000 mechanical operations under normal maintenance conditions.