Power Distribution Products

  • CDB6i Miniature circuit breaker
  • CDB6i Miniature circuit breaker

CDB6i Miniature circuit breaker

CDB6i is a small protective circuit breaker. Applicable to AC 50HZ, rated voltage AC 500V, with functions of overload protection, short circuit protection and control isolation.


Range of productCDB6i
Product or component typeMiniature circuit-breaker
Device applicationIsolation
Trip unit technologyThermal-magnetic
Suitability for isolationYes
Mechanical durability20000 cycles
Electrical durability10000 cycles


Poles description1P, 1P+N, 2P, 3P, 3P+N, 4P
[In] Rated current1-63A
Curve codeB(3-5In),C(5-10In),D(10-14In)
Breaking capacity6 /10kA
Magnetic tripping limit14 x In
[Ui] Rated insulation voltage500V
[Uimp] Rated impulse withstand voltage(1.2/50)4KV
Cable entryTop
Mounting support35 mm DIN rail
Protection typeOverload protection
Short-circuit protection
Connections – terminalsU terminals
Clamping connection capacity<= 25 mm²(1-63A)
Tightening torque2.5 N.m


Dielectric test voltage2.0 kV 50/60 Hz 1 min
Shock resistance30 g,(duration = 11.0 ms) for 3 shocks
IP degree of protectionIP40(in distribution box),IP20(installed directly)
Pollution degree2
Ambient air temperature for operation-35…70 °C
Ambient air temperature for storage-40…85 °C
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