The 2020 Schneider Electric catalog details the Compact NS630b~1600A molded case circuit breakers, including features, specifications, installation options…
The Compact NS630b~1600A series provides molded case circuit breakers for low‑voltage distribution and motor protection. The catalog describes the series' environmental compliance, selection criteria, and the range of Micrologic control units that can be used.
The document is organized into sections covering an overview, functional features, low‑voltage distribution and motor protection, installation and connection options for fixed and drawer‑type units, technical data supplements, and ordering information with part numbers and selection guides. This manual is written in Chinese.
| Rated current (A) at 25 °C | 630 A (for 630 b model) |
|---|---|
| Rated voltage (V) | 690 V AC 50/60 Hz |
| Maximum breaking capacity Icu (kA) | 85 kA at 220‑240 V |
| Rated insulation voltage Ui (V) | 800 V |
| Pollution degree | III |
| Operating temperature range | -25 °C to +70 °C |
The breaker is classified as Pollution Degree III according to IEC 60947.
It can operate continuously from –25 °C up to +70 °C, with extended operation possible down to –35 °C.