Miniature Circuit Breaker KNB2-63
The KNB2-63 miniature circuit breaker protects electrical circuits from overload and short circuits. It is rated up to 63A and 415V, suitable for use in AC 50/60Hz systems.
Technical Specifications
Overview
High-Performance Miniature Circuit Breaker
The KNB2-63 is a high-breaking capacity miniature circuit breaker designed for reliable electrical circuit protection. It features a robust, user-friendly structure suitable for standard DIN rail installation in AC 50/60Hz electrical systems. Engineered for safety, it effectively prevents overload and short-circuit damage in various commercial and industrial applications.
Electrical Ratings
Rated Working Current
- 6
- 10
- 16
- 20
- 25
- 32
- 40
- 50
- 63
- Rated Working Voltage
- 240V / 415V
- Rated Frequency
- 50/60Hz
Performance
- Making and Breaking Capacity
- 6000 A
- Mechanical Life
- 10000
- Electrical Life
- 2000
Design
- Configuration
- 1P2P3P4P
- Release Type
- BCD
Compliance
- Standards Compliance
- GB10963IEC/EN60898
Technical Data
Tripping Characteristics (Type C)
| Test Current | Start State | Time Limit | Result |
|---|---|---|---|
| 1.13In | Cold | ≤ 1h | No Trip |
| 1.45In | After 1.13In Test | < 1h | Trip |
| 2.55In | Cold | 1s < t < 60s (≤32A) / 120s (>32A) | Trip |
| 5In | Cold | ≤ 0.1s | No Trip |
| 10In | Cold | < 0.1s | Trip |
