Function and use
DW15 series universal circuit breakers (hereinafter referred to as circuit breakers) are suitable for power distribution networks with AC 50Hz, rated operating current 200A to 6300A, rated operating voltage AC 400 (380) V, AC 1140V, for distribution of electric energy and overload, undervoltage and short-circuit protection of power supply lines and power equipment.
Detailed parameters
Parameter table 1
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| Parameter classification | Parameter item | Parameter value |
|---|
| Main parameters of circuit breaker | Rated current of circuit breaker frame level Inm(A) | 630 |
| | 1600 |
| | 2500 |
| | 6300 |
| Number of poles | 3 |
| | 3 |
| | 3 |
| | 3 |
| Rated operating voltage Ue(V) | AC400/1140 |
| | AC400/1140 |
| | AC380/1140 |
| | AC380/1140 |
| | AC380/1140 |
| Rated insulation voltage Ui(V) | 400/1140 |
| | 400/1140 |
| | 1140 |
| | 400/1140 |
| | 400/1140 |
| Rated impulse withstand voltage Uimp(kV) | 8 |
| | 8 |
| | 8 |
| | 8 |
| | 8 |
| Rated current In(A) | 200 |
| | 315, 400, 630 |
| | 630, 800, 1000, 1250, 1600 |
| | 1600, 2000, 2500 |
| | 2500, 3000, 4000, 5000, 6300 |
| Rated ultimate short circuit breaking capacity Icu(kA) | AC380V: 20 |
| | AC1140V: 12 |
| | AC380V: 30 |
| | AC1140V: 12 |
| | AC380V: 40 |
| | AC1140V: 16 |
| | AC380V: 60 |
| | AC1140V: 25 |
| | AC380V: 80 |
| | AC1140V: 25 |
| Rated operating short-circuit breaking capacity Ics (kA) | AC380V: 20 |
| | AC1140V: 10 |
| | AC380V: 30 |
| | AC1140V: 10 |
| | AC380V: 30 |
| | AC1140V: 12 |
| | AC380V: 40 |
| | AC1140V: 20 |
| | AC380V: 50 |
| | AC1140V: 25 |
| Incoming line method | Upward incoming line |
| | Upper incoming line |
| | Both up and down |
| | Both up and down |
| | Both up and down |
| Mechanical life of circuit breaker (times) | 9000 |
| | 9000 |
| | 4500 |
| | 4500 |
| | 1500 |
| Electrical life (times) | 1000 |
| | 1000 |
| | 500 |
| | 500 |
| | 500 |
| Operation frequency (times / hours) | 60 |
| | 60 |
| | 20 |
| | 20 |
| | 10 |
| Operating lever arm (mm) | 90 |
| | 90 |
| | 250 |
| | 250 |
| | 250 |
| Operating force (N) | 200 |
| | 200 |
| | 300 |
| | 300 |
| | 300 |
Note: a.DW15C-630 Technical parameters are the same as DW15-630.
b.DW15 drawer base has a plugging life of 200 times, and DW15-6300 (In ≥ 5000A) has a mechanical life of maintenance-free 1500 times.
c.In=5000 and 6300A are only electromagnetic type, while the others are available in thermal magnetic type and electromagnetic type. | | Type | Release |
| | Shunt release Undervoltage release |
| Rated voltage (V) | AC 50Hz |
| | DC |
| Us | 220, 380 |
| < /td> | Ue | 220, 380 |
| | 110, 220 |
| Closing device |
| Us | 220, 380 |
| | 110, 220 |
| Us | 220, 380 |
| | 110, 220 |
| 4.3 Recommended busbars for user installation | Rated current (A) | Power distribution cabinet copper bars |
| | Quantity |
| | Single piece size (mm) |
| 630 | 1 |
| | 60×8(630 frame 40×10) |
| 800 | 2 |
| | 60×5 |
| 1000 | 2 |
| | 60×6 |
| 1250 | 2 |
| | 60×8 |
| 1600 | 2 |
| | 60×10 |
| 2000 | 2 |
| | 130×6 |
| 2500 | 2 |
| | 130×8 |
| 3150 |
| | 200×8 |
| 4000 | 2 |
| | 200×10 |
| 5000 | 3 |
| | 200×8 |
| 6300 | 3 |
| | 200×10 |
