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Hager NDN116A MCB SP Type D 16A 10kA

SKU: NDN116A

MCB 1P 10kA/15kA D-16A 1M

Available in delivery or click&collect

EX. VAT: £18.08

Description

Technical characteristics:

Architecture
  • Neutral position
    without neutral
  • Number of poles
    1 P
  • Type of pole
    1 P
  • Curve
    D
Main electrical features
  • Rated operational voltage Ue
    230 / 400 V
  • Type of supply voltage
    AC
Voltage
  • Rated insulation voltage
    500 V
  • Rated impulse withstand voltage
    6000 V
Electric current
  • Rated service breaking capacity Ics AC according IEC 60898-1
    7.5 kA
  • Rated short circuit breaking capacity Icn under 230V AC according IEC60898-1
    10 kA
Electric current / temperature
  • Rating current 30°C
    16 A
Dimensions
  • Depth of installed product
    70 mm
  • Height of installed product
    83 mm
  • Width of installed product
    17.5 mm
Power
  • Total power loss under IN
    2.62 W
Endurance
  • Electric endurance in number of cycles
    4000
  • Number of mechanical operations
    20000
Installation, mounting
  • Tightening torque
    2,8Nm
Equipment
  • Can be accessorized
    Yes
Standards
  • Standard text
    EN 60898-1,IEC 60947-2
  • European directive WEEE
    concerned
Safety
  • Protection index IP
    IP20
Use conditions
  • Operating temperature
    -25…70 °C

Additional information

Product

Circuit Breaker

Product Type

MCB

Pole Configuration

SP

Trip Type

Type D

Short Circuit Rating

10 kA

Cable Capacity

25 (Flexible) 35 (Rigid) mm2

Width

17.5 mm

Current Rating

16 A

Voltage

230 | 400 V

Standards

BS EN 60898

Frequently asked questions

MCBs are used in the consumer unit (distribution board) of three-phase installations to protect individual circuits. They are typically installed to protect circuits supplying sockets, lighting, appliances, and other electrical loads.

In three-phase electrical systems, MCBs provide essential protection against overcurrents that could damage wiring, equipment, and appliances. They help ensure electrical safety and prevent fire hazards caused by excessive current flow.

Yes, MCBs are generally required in three-phase installations to comply with electrical regulations (e.g., BS 7671). They are a fundamental part of circuit protection, ensuring that circuits are automatically disconnected in case of overcurrents.

MCBs for three-phase systems come in various ratings to match the current requirements of different circuits. They may also vary in characteristics such as breaking capacity (the maximum fault current they can safely interrupt) and tripping curves (to accommodate different types of loads).

When selecting an MCB for a three-phase system, consider:

  • Current Rating: Ensure the MCB’s current rating matches or slightly exceeds the maximum current expected in the circuit it protects.
  • Breaking Capacity: Choose an MCB with an adequate breaking capacity to safely interrupt the maximum fault current that could occur in the circuit.
  • Tripping Curve: Select the tripping curve (e.g., B, C, or D) based on the type of load and expected inrush currents to avoid nuisance tripping.

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