NS400/630 series compact circuit breakers are integrated into a compact design, with small size, light weight and easy installation. The product has an rated current range of 400-630A, rated voltage of AC750V, AC690V, maximum short-circuit current of 85KA.
The guide introduces Schneider's Compact NS series of low‑voltage molded case breakers, covering the NS, NSD, Vigi NS and related families. It presents technical performance tables for each model, including current ratings, breaking capacities and life‑cycle data.
It also details optional accessories, mounting configurations and protection unit options, helping engineers select the appropriate breaker for distribution, motor protection or fire‑safety applications. This manual is written in Chinese.
| Rated current | 400 A (NS400), 630 A (NS630) |
|---|---|
| Rated insulation voltage | 750 V |
| Mechanical life | 15 000 operations |
| Electrical life | 6 000 operations (NS400) |
| Breaking capacity (Icu) AC220/240V | 85 kA |
The Compact NS series includes models such as NS400 with a 400 A rated current and NS630 with a 630 A rated current.
Optional accessories include auxiliary switches, trip‑indicator switches, fault‑indicator switches, auxiliary coils, motorized mechanisms, extended handles, leakage‑protection modules, and current‑meter modules.