United Kingdom

Miniature Circuit Breakers DC MCBs - EP100/104UC MCBs for photovoltaic applications


  • Specialised MCB for DC applications
  • Ratings 0.5A, 1A, 2A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
  • Type B and C tripping characteristics (details available on request)
  • 6kA short circuit capacity (IEC 898)
  • 1P (250V DC), 2P (500V DC), 4P (880V DC)
  • Current limiting operation under fault conditions
  • 18mm modular width per pole
  • IP20 finger proof terminals
  • Safety terminals ensure that incorrect connection is not possible
  • Terminal capacity up to 35mm²
  • High torque terminals up to 4.5Nm
  • Circuit indicator window allowing clear labeling of circuits
  • Suitable for DIN rail mounting in OEM / panel builder enclosures
  • Suitable for installation in consumer units, design units and MCB distribution boards
  • Toggle is padlockable in "ON" or "OFF" position
  • Wide range of multi-functional accessories


MCBs for photovoltaic applications
Application as loadbreak disconnector

The first solution for the growing market of solar electric power.

  • Compact design
  • High voltage 880V upto 63A
  • Safetylock with padlocking bracket
  • Add-on devices for remote signalisation and tripping
  • Add-on motor driver Tele MP
  Series EP100UC Series EP104UC
Curve   B B
Thermal setting In (A) 6 - 63 10 - 63
Rated voltage DC Un (V) 500 880
Maximum operating voltage DC (V) 520 1000
Minimum operating voltage DC (V) 12 12
As loadbreak disconnector   yes yes
Rated insulation voltage Ui      
Pollution degree 2 (V) 500 1200
Pollution degree 3 (V) 440 1000
Rated impulse withstand voltage Uimp (kV) 6 6
Dielectric rigidity (kV) 2,5 2,5
Mechanical/electrical endurance   20000/1000 ops.

Reconnection Relays and Surge Arresters also available for photovoltaic applications