This ABB selection manual provides specifications and application guidance for low‑voltage components such as New Emax and Tmax circuit breakers.
The manual presents detailed information for a range of low‑voltage products, including air circuit breakers (New Emax), molded‑case circuit breakers (Tmax, Isomax), industrial control devices, switches and fuse assemblies, terminal distribution protection, enclosures, and power‑quality equipment. It also contains protection coordination tables and recommended accessory configurations.
Technical data such as frame current options, rated breaking capacities, and selectable tripping units are listed for each product family, helping designers choose the appropriate components for their installations. This manual is written in Chinese.
| Number of poles | 3P or 4P |
|---|---|
| Breaking capacity (380/415 V AC) | E1N : 50 kA |
Frame current options include E1B (08#, 10, 12, 16), E1N (08#, 10, 12, 16), E1S (08, 10, 12), E2B (16, 20), among others.
Available functions include overload long‑delay (L), short‑circuit short‑delay (S), short‑circuit instantaneous (I), ground‑fault (G), and combinations such as PR121/P‑LSI, PR122/P‑LSIG, etc.