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EspañolChoosing the right DC isolator switch is crucial for ensuring safety, reliability, and efficiency in solar power systems or other DC applications. A quality isolator...
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Premium miniature circuit breaker for DC applications
Current limiting class 3
Back-up fuse with high selectivity, thanks to low let-through energy
Rated currents up to 125A
Tripping characteristic C
Rated switching capacity 10 kA according to IEC/EN 60947-2
Compatible with standard busbars
| ATB-63 Series Circuit Breaker | ATB-125 | ||||
| Frame degree rated current (A) | 125 | ||||
| Electrical performance | |||||
| Ue Rated operating voltage (V DC) | 1P: DC250V 2P: DC500V DC600V 3P: DC800V 4P: DC1000V DC1200V | ||||
| Rated CurrentIn (A) | 6-10-16-20-25-32- 40-50-63 | ||||
| Rated insulation voltageUi (V DC) | 2P: 800V 4P: 1200V | ||||
| ated Impact voltage Uimp (kV) | 4 | ||||
| Ultimate breaking capacity Icu (kA) | 6 | 6 | 6 | 6 | |
| Run breaking capacity lIcs (%lcu) | 75% | 75% | 75% | 75% | |
| Curve type | C | ||||
| Trip type | Thermal-magnetic | ||||
| MECHANICAL | Actual average value | 20000 | |||
| Standard value | 8500 | ||||
| ELECTRIC | Actual average value | 2500 | |||
| Standard value | 1500 | ||||
| Control and indication | |||||
| Shunt release (SHT) | Option | ||||
| Undervotage release (UNT) | |||||
| Auxiliary contact (AX) | |||||
| Alarm contact (AL) | |||||
| Connection and installation | |||||
| Wiring capacity (mm²) | In≤32A, 1~25 mm², 1≥40A, 10-35mm² | ||||
| Ambient temperature (9C ) | -20~70 | ||||
| Altitude | ≤2000 | ||||
| Relative humidity | ≤95% | ||||
| Pollution L evel | 3 | ||||
| Installation Environment | No obvious shock and vibration | ||||
| Installation category | Class Ⅲ | ||||
| Installation | DIN Standard rail | ||||
| Dimensions(W)x(H)x(Deep) | W | 18 | 36 | 54 | 72 |
| H | 80 | 80 | 80 | 80 | |
| Deep | 71 | 71 | 71 | 71 | |
| Weight (kg) | 0.12 | 0.24 | 0.36 | 0.48 | |
| Rated current (A) | Sectional area of wire (mm²) | Tightening torque of connecting wire (N.m) |
| 1、2、3、4、5、6 | 1 | Both the power side and load side are 2.0 |
| 10 | 1.5 | |
| 16、20 | 2.5 | |
| 25 | 4 | |
| 32 | 6 | |
| 40、50 | 10 | |
| 63 | 16 |
Choosing the right DC isolator switch is crucial for ensuring safety, reliability, and efficiency in solar power systems or other DC applications. A quality isolator...
More >>
DC circuit breaker, also known as a direct current circuit breaker, plays a critical role in electrical systems by protecting circuits from damage caused by excessiv...
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