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Langir DC Circuit Breakers

$55 NZD $55 NZD
Tax included.
In stock

Description

Langir Non-Polarised DC Circuit Breakers – 15A, 25A, 32A, 63A for Solar PV Systems

Ensure the safety and efficiency of your solar power system with the Langir DC Circuit Breakers. Designed for multi-string photovoltaic (PV) installations, these breakers offer overload and short-circuit protection between solar panels and the inverter, preventing system damage and enhancing overall safety in both off-grid and grid-tied setups.

Key Features:
  • Available in multiple ratings: Choose from 15A, 25A, 32A and 63A to match your system’s needs.
  • Purpose-built for solar protection: Guarantees safe and efficient operation in your solar power system.
  • Non-polarised design: Can be installed in any orientation for flexible system configurations.
  • Easy installation: Installed at the end of each string within a PV protection enclosure.
  • Lockout feature: Can be locked in the OFF position with a padlock, ensuring safer inverter maintenance.
  • Bidirectional current detection: Protects against reverse fault currents for added safety.
  • Comprehensive protection: Works seamlessly with a switch to protect your solar strings.

Langir DC Circuit Breakers are a reliable and durable solution, offering peace of mind and long-term protection for your solar power system.

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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 V DC
  • Breaking capacity (Icu):10 kA
  • Impulse voltage (Uimp): 4 kV
  • Electrical connection: By the bottom for In and Out
  • Number of poles: 1P, 2P, 3P, 4P
  • Standards: IEC 60947-2/ EN 60947-2

 

Technical Data

  • Rated service breaking capacity(lcs): 100% of the lcu
  • Endurance(O-C) Electrical: 1500 cycles(where L/R=2 ms)
  • Endurance(O-C) Mechanical: 20000 cycles
  • Mechanical: 20000 cycles
  • Degree of pollution: 2
  • Category: A(no delay in accordance with IEC / EN 60947-2 standards)
  • Degree of protection (IEC 60529) Device in modular enclosure: IP40
  • Tropicalisation: Relative humidity(95% at 55℃ in accordance with IEC 60068-2 and GB 14048.2 standards)
  • Temperature Operating: -25-70℃ Temperature Storage: -40-85℃

 

Connection

  • Tightening Torque: 2.5 N.m
  • Copper Cables Rigids: 1-25 mm²
  • Copper Cables Flexibles with ferrule: 1-16 mm²
  • Cu/Al Terminal: 50 mm²
  • Ring tongue terminal screw connection: ø5 mm

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