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DC Molded Case Circuit Breaker
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  • DC Molded Case Circuit BreakerDC Molded Case Circuit Breaker

DC Molded Case Circuit Breaker

Quality DC molded case circuit breakers are used for overcurrent protection and control in solar photovoltaic battery storage systems and DC circuits. They are available in various rated currents such as 63A, 100A, 125A, 160A, 200A, 225A, 250A, 315A, 400A, and 500A.

Model:LQM1-PV

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Product Description


CNLonQcom is a Chinese manufacturer specializing in the production of DC molded case circuit breakers. These products provide functions for circuit interruption, short circuit protection, and protection, effectively extending the lifespan of electrical equipment.

1.DC molded case circuit breakers feature fast and accurate circuit interruption, short circuit protection, and adjustment functions, with good circuit interruption and short circuit performance.
2.They protect electrical equipment from damage caused by overloads, short circuits, or other electrical faults.
3.DC molded case circuit breakers effectively prevent arc faults and melting.
4.They are made with high-insulation plastic enclosures, offering excellent weather resistance, corrosion resistance, and arc resistance.
5.They have reliable quality performance, ensuring long-term reliable operation.

Product specifications table

Rated Current In (A)  125:63A,80A,100A,125A; 250:160A,200A,225A,250A; 400:315A,400A
Ue Rated operating voltage (VDC)  1P:DC250V 2P:DC500V 3P:DC750V 4P:DC1000V
Rated insulation voltage Ui (VDC)  DC1000V
Rated Impact voltage Uimp (kV)  8KV
Ultimate breaking capacity lcu (kV)  25KV
Trip type  Thermal-magnetic
Ambient temperature(℃) -20℃〜 70℃
Alfifude  2000M
Instalation  Fixed,plug-in
Accessories  Auxiliary ,Alarm,Shunt release Manually operated and electric operation

Wiring diagram



● Protection and Isolation wiring
● The load should be ≤ DC1000V
The connection considered for anetwork in which the
middle point of the supply source is earthed
In this case the breaker protects and isolates the load

● Protection and Isolation wiring
● The load should be ≤ DC 1000V
The Negative pole (-) could be earthed,butin both cases
the breaker protects and isolates the load



Product main images, design drawings, and application scenarios.


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