CHINT · DIN-rail circuit breaker
Product overview
The CHINT NB1-63H/2 provides overload and short-circuit protection with switching and isolation functions. Use the exact H/2 manufacturer designation and select the pole arrangement, current and trip curve for the AC installation.
Technical selection summary
| Exact manufacturer model | NB1-63H/2 |
|---|---|
| Rated current | 1 / 2 / 3 / 4 / 6 / 10 / 16 / 20 / 25 / 32 / 40 / 50 / 63 A |
| Poles / curves | 1P, 1P+N, 2P, 3P, 3P+N or 4P; B, C or D |
| AC supply reference | AC 230/400 to 240/415 V, 50/60 Hz; match the exact pole/system voltage |
| Breaking reference | 10 kA rated breaking capacity in the exact H/2 AC data sheet |
| Installation | 35 mm DIN rail; top or bottom connection; 2.5 N·m terminal torque reference |
| Ambient reference | 0°C to +55°C with daily mean ≤35°C; reference calibration temperature 30°C |
| Documents | Manufacturer IEC/EN 60947 reference; confirm applicable compliance documents for the supplied construction |
H/2 is part of the manufacturer model and must not be omitted or replaced by a parent NB1-63H selection. The current choices use the rated-current row. DC voltage and fault duty require the separate exact DC table and assembly; this AC selection does not establish a universal DC rating.
Typical applications
- Low-voltage distribution circuits
- Replacement procurement matched to the exact H/2 construction
Specify your enquiry
For a focused quotation, include:
- Full NB1-63H/2 code, poles, current, curve and quantity
- AC system voltage, fault level, conductors/busbar and installation temperature
- Accessory and terminal requirements and applicable supply documents
