TitleProduct

Langir Solar Photovoltaic DC Circuit Breaker with 4 Poles TUV

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-23 01:40

  • Browse the number:

    198

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Company Profile

Yueqing Langir Electric Co., Ltd.

By certification [File Integrity]

Contact:Miss Lisa Lee(Mr.)  

Email:

Telephone:

Area:Zhejiang

Address:Zhejiang

Website: http://langir.admprinting.com/

Product Details


The JB is a DC circuit breaker dedicated to multi string photovoltaic installations.

Storage -40 to 85 degree

- This circuit breaker is designed to protect the cables located between each string of photovoltaic modules and the photovoltaic inverter against overloads and short circuits (see application diagram).
- Combined with a switch , the JB will be installed in a string PV protection enclosure at the end of each string of photovoltaic modules.
- It can be locked (by a padlocking device) in OFF position as a safety measure for removal of the PV inverter.
- Since a fault current can flow in the reverse direction to the operating current, the JB can detect and protect against any bidirectional current.
- To ensure the safety of the installation, it is necessary, depending on the various types of application, to combine the JB with:
a residual current device at the AC end
a fault passage detector (insulation monitoring device) at the DC end
an earth protection circuit breaker at the DC end
- In all cases, fast action on site will be required to clear the fault (protection not ensured in the event of a double fault).
- JB is not polarity sensitive: (+) and (-) wires can inversed without any risk.
- The JB is: delivered with three inter-pole barrier to provide increased isolation distance between two adjacent connectors.

Main characteristics

Operating Voltage (Ue) 1P=250 V DC, 2P=500 V DC
3P=750 V DC, 4P=1000 V DC
Rated insulation voltage (Ui) 1,000 VDC
Breaking capacity (Icu) 10 kA
Impulse voltage (Uimp) 4 kA
Electrical connection By the bottom for In and Out
Number of poles 1P, 2P, 3P, 4P
Standards IEC 60947-2
EN 60947-2

 

Rated service breaking capacity (Ics) 100% of the Icu
Endurance (O-C) Electrical 1,500 cycles (where L/R=2 ms)
Mechanical 20, 000 cycles
   
Mechanical 20, 000 cycles
Degree of pollution 2
Category A (no delay in accordance with IEC / EN 60947-2 standards)
Degree of protection
(IEC 60529)
IP40
Tropicalisation Relative humidity: 95% at 55 degree in accordance with
IEC 60068-2 and GB 14048.2 standards
Temperature Operating -25 to 70 degree
Storage -40 to 85 degree