Item Name: GTW88 series intelligent air circuit breaker
GTW88 Air circuit breaker is applicable for distribution network of AC 50Hz, rated voltage of 400V and 690V, and rated current of 630A -3200A, to distribute electric energy protection circuit and prevent power equipments from harm of overload, under-voltage, short circuit and single-phase earth etc. Provided with intelligent protecting function and precise selective protection, breaker can enhance the dependability of power supply and avoid unwanted power cut.
Standard: IEC 60947-2
| Frame size Rated Current Inm(A) | Rated current In A | Rated Insulation voltage(V) | Rated limit short-circuit Breaking capacity Icu(KA) | Rated operation short-circuit breaking capacity Icu(KA) | Rated short- time withstand current Icw KA(1s) | ||
| 400V | 690V | 400V | 690V | ||||
| 2000 | 630 800 1000 1250 1600 2000 | 690 | 80 | 50 | 50 | 40 | 50 |
| 3200 | 2000 2500 3200 | 100 | 65 | 65 | 50 | 65 | |
| 4000 | 3200 3600 4000 | 100 | 65 | 65 | 50 | 65/80 | |
| 6300 | 4000 5000 6300 | 120 | 80 | 80 | 70 | 85/100 | |
| HS Code: | 85362000 |
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| Standard: | Standard: IEC 60947-2. |
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