Products catalog

  • Modular protective DC circuit breaker for solar modules 1P | 16A | 250VDC | C | 10kA | DIN | MCB-DC | HSA3-DC VECAS

    Code: HSA3-DC-116250

    The HSA3-DC series direct current miniature circuit breaker (MCB) is a reliable protection solution for low-voltage DC circuits. This 1-pole, 16A breaker with a C-curve tripping characteristic and thermal-magnetic release mechanism is designed to protect equipment from overcurrents and short circuits. Suitable for use in industrial, commercial, or solar power systems where precise response and durability are essential.

  • Technical Specifications:

    Number of poles: 1P

    Rated operational voltage (Ue): 250V DC

    Rated current (In): 16A

    Rated insulation voltage (Ui): 500V DC

    Rated impulse withstand voltage (Uimp): 4kV

    Maximum breaking capacity (Icn): 10 kA

    Service breaking capacity (Ics): 75% of Icn

    Tripping curve: Curve C (1–15 In)

    Tripping mechanism: Thermal and magnetic

    Mechanical endurance: 10,000 cycles

    Electrical endurance: 1,000 cycles

    Wires: In ≤ 32A: 1–25 mm²; In ≥ 40A: 10–25 mm²

    Mounting: On DIN rail (standard)

    Operating temperature: -20°C to +70°C

    Altitude: ≤ 2000 m

    Relative humidity: ≤ 90%

    Pollution degree: 2

    Environment: No excessive vibration or shock

    Dimensions: 18x81x75 mm

    Weight: 0.11 kg

    Features:

    Protection against overload and short circuit

    Suitable for DC systems (solar power, batteries, inverters)

    Fast and accurate response based on C curve

    Easy installation on DIN rail

    Applications:

    Solar power plants (PV systems)

    DC distribution boards

    Charging stations

    Battery systems

    Industrial DC automation

    Telecommunications power systems

    Pros:

    High breaking capacity – up to 10 kA

    Reliable operation even in high humidity environments

    Easy installation and maintenance

    Cons:

    Designed only for DC voltage – not suitable for AC networks

    Limited electrical endurance (1,000 cycles) – not for frequent switching 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
  • Alternative products

    Price 2.29 € VAT incl.
    ( 1.89 € VAT excl. )
    Price 0.98 € VAT incl.
    ( 0.81 € VAT excl. )
  • Subscribtion to new arrivals

    privacy policy

    Information