AIR CIRCUIT BREAKERS - Electrical and Electronics Division

8
Sr.No.
1 0.125 0.09 0.4 0.3 - 0.5 ML0 2
2 0.15 0.11 0.45 0.3 - 0.5 ML0 2
3 0.2 0.15 0.57 0.45 - 0.75 ML0 2
4 0.25 0.19 0.7 0.45 - 0.75 ML0 4
5 0.33 0.25 0.88 0.6 - 1 ML0 4
6 0.125 0.11 0.5 0.37 1.2 0.9 - 1.5 ML0 6
7 0.75 0.55 1.6 1.4 - 2.3 ML0 6
8 0.25 0.18 2 1 0.75 1.8 1.4 - 2.3 ML0 8
9 1.25 0.92 2.1 1.4 - 2.3 ML0 8
10 0.5 0.4 3.6 1.5 1.1 2.6 2 - 3.3 ML0 10
11 1.75 1.3 3 2 - 3.3 ML0 10
12 2 1.5 3.5 3 - 5 ML0 16
13 0.75 0.55 2.5 1.8 4.8 4.5 - 7.5 ML0 16
14 3 2.2 5 4.5 - 7.5 ML0 16
15 4 3 6.2 4.5 - 7.5 ML0 20
16 1 0.75 7.5 5 3.7 7.5 6 - 10 ML0 20
17 1.25 0.9 8 6 4.5 9 6 - 10 ML0 25
18 2 1.5 9.5 7.5 5.5 11 9 - 15 ML0 32
19 3 2.25 14 10 7.5 14 9 - 15 ML1 32
20 12.5 9.3 18 14 - 23 ML1.5 50
21 15 11 21 14 - 23 ML1.5 63
22 17.5 13 24 20 - 33 ML2 63
23 20 15 28 20 - 33 ML2 63
24 25 18.6 35 30 - 50 ML3 80
25 30 22.5 40 30 - 50 ML3 80
26 35 26 47 30 - 50 ML4 100
27 40 30 55 45 - 75 ML4 100
28 45 33.5 60 45 - 75 ML4 125
29 50 37 66 45 - 75 ML4 125
30 60 45 80 66 - 110 ML6 160
31 75 55 100 66 - 110 ML6 160
32 90 67.5 120 90 - 150 ML10 200
33 100 75 135 90 - 150 ML10 200
34 125 90 165 135 - 225 ML10 250
35 150 110 200 135 - 225 ML10 315
36 175 130 230 180 - 300 ML12 315
37 200 150 275 180 - 300 ML12 400
38 225 168 300 180 - 300 ML12 400
8/26
SELECTION CHART �OR DOL STARTERS
MN Relays and ML Contactors
(Type “C” Co-ordination IS8544 (Part1)/IEC 292-1, Type “2” Co-ordination IS13947(Part4/Sec1)/IEC 60947-4-1)
Motor 240V - 1 Phase
HP kW In,A
Motor Rating 415V - 3 Phase
H.P. kW In,A
Relay Range
A
Contactor
HRC Back-up
�use
Rating, A