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Dimensions
Section 10
Breaking capacities
Tripping characteristics
Miniature circuit
breakers
BS EN 60898/BS EN 60947-2
Type
In min. In max. Typical applications
B
3
5
Moderately inductive, e.g. commercial and general industrial
C
5
10
Highly inductive, e.g. heavy industrial
D
10
14
More highly inductive, e.g transformers, motors and certain lighting systems
Note:
BS EN 60898 calibration temperature 30°C
BS EN 60947-2 calibration temperature 40°C
Note:
For UL/CSA approved MCBs consult us.
Maximum operating voltage 440V + 10%
Miniature circuit breaker
BS EN 60898**
BS EN 60947-2*
(magnetic trip setting)
Breaking capacity (A)
Breaking capacity (A)
1 P
2,3,4P
1 P
2,3,4P
2,3,4P
2,3,4P
Type
Ratings (A)
Page
240V
415V
220V/240V
220V/240V
380V/415V
440V
C60HB MCB
1A - 63A
12/13
10,000
10,000
15,000
30,000
15,000
10,000
(type B: 3 - 5In)
C60HC MCB
1A - 63A
12/13
10,000
10,000
15,000
30,000
15,000
10,000
(type C: 5 - 10In
C60HD MCB
1A - 63A
12/13
10,000
10,000
15,000
30,000
15,000
10,000
(type D: 10 - 14In)
C120 HB MCB
10A - 125A
17
15,000
15,000
15,000
30,000
15,000
10,000
C120 HC MCB
10A - 125A
18
15,000
15,000
15,000
30,000
15,000
10,000
C120 HD MCB
10A - 125A
19
15,000
15,000
15,000
30,000
15,000
10,000
NG125 N
10A - 125A
35
-
-
25,000
50,000
25,000
20,000
NG125 H
10A - 80A
38
-
-
36,000
70,000
36,000
30,000
* Breaking capacities quoted are Icu. Ics = 50% of Icu.
** Breaking capacities quoted are Icn. Ics = 75% of Icn.
Magnetic tripping characteristics (50/60Hz)