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Products
DC Circuit Breaker LQB1-125Z
CNLonQcom Miniature DC Circuit Breaker LQB1-125Z 1P 2P 3P 4P 35mm DIN Rail Mount for PV System Overload and Short Circuit Protection
●Rated voltage: DC250V/500V/750V/1000V
●Rated current: 80A/100A/125A
●Breaking Capacity Icu: 6kA
●Poles: 1P/2P/3P/4P
●Shell material: PA
●Conductor material: copper
●Certificate: CE, ROHS, ISO9001
Model:LQB1-125Z
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Product Description
DC Circuit Breaker LQB1-125Z which accept customized provide functions for circuit interruption, short circuit protection, adjustment, and protection, effectively extending the lifespan of electrical equipment.
They protect electrical equipment from damage caused by overloads, short circuits, or other electrical faults.
1.DC circuit breakers effectively prevent the occurrence of arc faults and melting.
2.They help prevent electrical heating faults.
3.Suitable for extreme environments ranging from -40 degrees Celsius to 80 degrees Celsius.
4.Equipped with an IP65 UV-resistant enclosure for outdoor installations.
They protect electrical equipment from damage caused by overloads, short circuits, or other electrical faults.
1.DC circuit breakers effectively prevent the occurrence of arc faults and melting.
2.They help prevent electrical heating faults.
3.Suitable for extreme environments ranging from -40 degrees Celsius to 80 degrees Celsius.
4.Equipped with an IP65 UV-resistant enclosure for outdoor installations.
Product specifications table
| LQB1-125Z Series Circuit Breaker | LQB1-125Z | ||||
| Frame degree rated current (A) | 125 | ||||
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Electrical performance | ||||
| Ue rated operating voltage (V DC) | 1P：DC250V 2P：DC550V 3P：DC750V 4P：DC1000V | ||||
| Rated Current In (A) | 125 | ||||
| Rated insulation voltage Ui (V DC) | 1P: DC250V 2P: DC550V 3P: DC750V 4P: DC1000V | ||||
| ated impact voltage Uimp (kV) | 4 | ||||
| Ultimate breaking capacity lcu (kA) | 6 | 6 | 6 | 6 | |
| Run breaking capacity lcs (%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 | ||||
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Control and indication | ||||
| Shunt release (SHT) | Option | ||||
| Undervoltage release (UNT) | |||||
| Auxiliary contact (AX) | |||||
| Alarm contact (AL) | |||||
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Connection and installation | ||||
| Wiring capacity (mm2) | In ≤ 32A,1~25mm2,1 ≥ 40A,10~35mm2 | ||||
| Ambient temperature (℃ ) | -90 | ||||
| Altitude | ≤ 2000 | ||||
| Relative humidify | ≤ 95% | ||||
| Pollution level | 3 | ||||
| Installation environment | No obvious shock and vibration | ||||
| Installation category |
Class Ⅲ |
||||
| Installation | DIN Standard rail | ||||
Product main images, design drawings, and application scenarios.
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