The W2 series intelligent low-voltage air circuit breaker is designed for distribution networks (AC 50Hz) with voltages up to 800V and current up to 1600A.
It offers reliable protection for electrical systems against overload, undervoltage, short circuits, and single-phase grounding.
The circuit breakers meet the standards of IEC 60947-2 and GB 14048.2. The entire product line is certified with both 3C and SEMKO certifications.
1. Featured with completeintelligence, high breaking capacity and zero arc;
2. AC rated current 200A-1600A, short circuit breaking capacity 20kA~42kA;
3. It has 3 and 4 poles, draw-out type and fixed type, and can be installed with inverted wires;
4. With multiple intelligent controllers, providing different functions, intelligent function, display function;
5. Setting function, monitoring function, fault memory function, available for communication interface for remote measurement, remote adiustment, remote control and remote communication;
6. With complete protection features, convenient setting and high accuracy, it has instantaneous, short delay, long delay, single-phase grounding and
other protection characteristics.
1. The Rated Current
| Rated Frame Current Inm(A) | Rated Current In(A) |
| 1600 | 200, 400, 630, 800, 1000, 1250, 1600 |
2. Rated insulation voltage Ui of circuit breaker: 690V; Rated working voltage Ue: 400V, 690V.
3. The rated short-circuit making and breaking capacity of the circuit breaker should not be less than 2.1 Icu.
4. The Rated Short-Circuit Breaking Capacity and Short-term Withstand Current;
| Rated frame current Inm(A) | 1600 | Incoming method | Arc distance | |
| Rated ultimate short-circuit breaking capacity Icu(kA) O-CO | AC400V | ≥ 55 | Upper or lower incoming line | Zero arc |
| AC690V | ≥ 40 | |||
| Rated service short-circuit breaking capacity Icu(kA) O-CO | AC400V | ≥ 50 | ||
| AC690V | ≥ 35 | |||
| Rated short time withstand current Icw(kA) Is O-CO | AC400V | ≥ 42 | ||
| AC690V | ≥ 35 | |||
