USFULL DZ47 type circuit breaker is most popular design in the market. We made some improvement on the structure to lift its quality and performance.
Household electricity system Industrial electricity system
| USFULL DZ47 MCB | ||||
| Related current(A) | Pole number | Raletaed working voltage(V) | Rated short circuit breaking capacity | Tripping Curve |
| Test expected current(A) | ||||
| 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32, 40, 50, 63 | 1, 2 | 230/400, 240/415 | 3/4.5(KA) | B, C, D |
| 2,3, 4 | 400/415 | |||
| Related temperature(℃ ) | 40 | |||
| Related current(A) | C | 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32, 40, 50, 63 | ||
| D | 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32, 40, 50, 63 | |||
| Electric endurance not lower than (times) | 4000 | |||
| Mechanical endurance not lower than (times) | 10000 | |||
| Curve | B(3-5In) C(5-10In) D(10-14In) | |||
| Rated short circuit breaking capacity | 3/4.5(KA) | |||





