MCBs Type CB curve

C Tripping Curve (Characteristic)

  • Ref. BS7671 433.1.1
  • Circuit-Breakers to EN60947-2
  • Selectivity Category A
  • 1.5 modules wide per pole

Note: Doepke C curve CBs ref DMCB2- lcu/lcs ratings please see below.

MCB selection and application MCBs accessories Technical data

Selection criteria: Poles, Characteristic(curve), Current rating, Breaking capacity.

Ordering reference: see below:

Product Standard: EN60947-2

    1 pole  <230V AC      "C"      Icu/Ics see below
Time/Current characteristic: C (curve)   
 Modules     Poles       Amps       Icu kA     Ics kA                   Reference
     1.5         1           80        20        10             DMCB2-C80-1
     1.5         1         100        20        10             DMCB2-C100-1
     1.5         1         125        15        7.5            DMCB2-C125-1


    3 pole  <400V AC      "C"      Icu/Ics see below
Time/Current characteristic: C (curve)   
 Modules     Poles       Amps       Icu kA     Ics kA                   Reference
     4.5         3           80        20        10             DMCB2-C80-3
     4.5         3         100        20        10             DMCB2-C100-3
     4.5         3         125        15        7.5            DMCB2-C125-3
    2 pole  <400V AC      "C"      Icu/Ics see below
Time/Current characteristic: C (curve)   
 Modules     Poles       Amps       Icu kA     Ics kA                   Reference
     3           2           80        20        10             DMCB2-C80-2
     3           2         100        20        10             DMCB2-C100-2
     3           2         125        15        7.5            DMCB2-C125-2


    4 pole  <400V AC      "C"      Icu/Ics see below
Time/Current characteristic: C (curve)   
 Modules     Poles       Amps       Icu kA     Ics kA                   Reference
     6           4           80        20        10             DMCB2-C80-4
     6           4         100        20        10             DMCB2-C100-4
     6           4         125        15        7.5            DMCB2-C125-4