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Bowser Electric
Bowser Electric
DW45 series intelligent conventional circuit breaker is applicable for distribution network of AC50Hz with rated voltage up to and including 690V and rated current 400A-6300A, used to distribute electric energy and protect the power equipment against overload, under-voltage, short-circuit or single-phase grounding fault.
This circuit breaker has intelligent protection function and accurate selective protection, it improves reliability of power supply and avoids unnecessary power failure. Meanwhile, it has open type communication interface, it is able to carry out four remote controls, satisfying requirements of control center and automatic system.
Pulse withstand voltage of this circuit breaker at altitude 2000m is 8000V. This circuit breaker also can be used as disconnector when it is prepared without intelligent release or sensor. It is in accordance with GB14048.2 and IEC947-2 standards.
| Main Technical Data - Table 1 | |||||||
| Inm (A) | In (A) | ||||||
| 2000 | (400) 630, 800, 1000, 1250, 1600, 2000 | ||||||
| 3200 | 2000, 2500, 2900, 3200 | ||||||
| 4000 | 3200, 3600, 4000 | ||||||
| 6300 | 4000, 5000, 6300 | ||||||
| Table 2: Rated Breaking Capacity | |||||||
| Inm (A) | 2000 | 3200 | 4000 | 6300 | |||
| Rated limit short-circuit breaking capacity Icu(kA) | 400V | 80 | 100 | 100 | 120 | ||
| 690V | 50 | 65 | 75 | 85 | |||
