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MESB Contactors
CONTACTORS
MESB-20NC MESB-24NC MESB-40NC MESB-63NC
TYPE POWER (W) C(yF) I(A) MESB-20NO MESB-24NO MESB-40NO MESB-63NO
60 - 0.26 23 29 65 85
100 - 0.43 14 16 40 50
Incandescent Lamps 200 - 0.87 7 8 20 25
500 - 2.17 3 3 8 10
1000 - 4.35 1 1 4 5
18 - 0.37 22 24 90 140
Fluorescent Lamps
24 - 0.35 22 24 90 140
uncorrected and
36 - 0.43 17 20 65 95
Series correction
58 - 0.67 14 17 45 70
18 - 0.11 2 x 30 2 x 40 2 x 100 2 x 150
Fluorescent Lamps 24 - 0.14 2 x 24 2 x 31 2 x 78 2 x 118
lead-lag circuit 36 - 0.22 2 x 17 2 x 24 2 x 65 2 x 95
58 - 0.35 2 x 10 2 x 14 2 x 40 2 x 60
18 4.5 0.12 7 8 48 73
Fluorescent Lamps 24 4.5 0.15 7 8 48 73
Parallel correction 36 4.5 0.2 7 8 48 73
58 7 0.32 4 5 31 47
1 x 18 - 0.09 25 35 100 140
1 x 36 - 0.16 15 20 52 75
Fluorescent Lamps 1 x 58 - 0.25 14 19 50 72
with electronic 2 x 18 - 0.17 12 17 50 70
ballast units (EVG) 2 x 36 - 0.32 7 10 26 38
2 x 58 - 0.49 7 9 25 36
50 - 0.61 14 18 38 55
80 - 0.8 10 13 29 42
High-pressure 125 - 1.15 7 9 20 29
Mercury-vapour Lamps 250 - 2.15 4 5 10 15
uncorrected 400 - 3.25 2 3 7 10
700 - 5.4 1 2 4 6
1000 - 7.5 1 1 3 4
50 7 0.28 4 5 31 47
80 8 0.41 4 5 27 41
High Pressure 125 10 0.65 3 4 22 33
Mercury-vapour Lamps 250 18 1.22 1 2 12 18
Parallel correction 400 25 1.95 1 1 9 13
700 45 3.45 - - 5 7
1000 60 4.8 - - 4 5
35 - 0.53 18 22 43 60
70 - 1 10 12 23 32
Halogen metal-vapour
150 - 1.8 5 7 12 18
250 - 3 3 4 7 10
Lamps uncorrected 400 - 3.5 3 3 6 9
1000 - 9.5 1 1 2 3
2000 - 16.5 - - 1 1
35 6 0.25 5 6 36 50
70 12 0.45 2 3 18 25
Halogen metal-vapour
150 20 0.75 1 1 11 15
250 33 1.5 - 1 6 9
Lamps Parallel correction 400 35 2.5 - 1 6 8
1000 95 5.8 - - 2 3
2000 148 11.5 - - 1 2
150 - 1.8 5 6 17 22
High-pressure Sodium-vapour 250 - 3 3 4 10 13
Lamps uncorrected 400 - 4.7 2 2 6 8
1000 - 10.3 - 1 3 3
150 20 0.83 1 1 11 16
High-pressure Sodium-vapour 250 33 1.5 - 1 6 10
Lamps parallel 400 48 2.4 - - 4 6
1000 106 6.3 - - 2 3
18 - 0.35 22 27 71 90
35 - 1.5 7 9 23 30
Low-pressure 55 - 1.5 7 9 23 30
Sodium-vapour Lamps 90 - 2.4 4 5 14 19
uncorrected 135 - 3.5 3 4 10 13
180 - 3.3 3 4 10 13
18 5 0.35 6 7 44 66
35 20 0.31 1 1 11 16
Low-pressure 55 20 0.42 1 1 11 16
Sodium-vapour Lamps 90 26 0.63 1 1 8 12
Parallel correction 135 45 0.94 - - 4 7
180 40 1.16 - - 5 8
Thermal Rating per Pole Motor Rating AC3 (kW)
230V 400V
MESB-20NC MESB-20NO 20 1.3 -
MESB-24NC MESB-24NO 24 2.2 4
MESB-40NC MESB-40NO 40 5.5 11
- MESB-63NO 63 8.5 15
AC Ratings in accordance with BSEN60947-5-1 and BSEN 60947-4-1
Definitions: AC1 Primarily Resistive Load but may be slightly inductive AC3 Medium-Starting-duty motors, starting and switching off of squirrel-cage motors