MCA Contactor Selection Guide
| Contactor | MCA2 |
MCA3 |
MCA5 |
MCA13 |
MCA20 |
MCA25 |
| Connection | Back |
Front |
Front/Rear |
Back |
Back |
Front |
| Thermal Rating ITH (A) | 15 |
25 |
50 |
125 |
200 |
250 |
| DOL Motor Starting (kW) (@ 440V 60Hz) |
9 |
13.4 |
30 |
75 |
119 |
150 |
| Making / Breaking Capacity (A) (@ 0.3 pf) | 120 |
300 |
600 |
1500 |
2400 |
2400 |
| Operating Coil Consumption - Pull In (VA) | 220 |
220 |
450 |
1450 |
1450 |
1450 |
| Operating Coil Consumption - Hold (VA) | 80 |
80 |
65 |
220 |
220 |
220 |
| Average Operating Time - Pick Up (ms) | 21 |
22 |
40 |
50 |
50 |
70 |
| Average Operating Time - Drop Off (ms) | 12 |
10 |
24 |
23 |
23 |
25 |
| Min. Operating Voltage - Pull In (% Coil Volts) |
73 |
73 |
75 |
75 |
75 |
76 |
| Min. Operating Volts - Drop Off (% Coil Volts) |
46 |
46 |
48 |
49 |
49 |
48 |
| Shock Rating (g) - Upwards Blow | 70 |
70 |
70 |
70 |
70 |
70 |
| Shock Rating (g) - Downward Blow | 50 |
50 |
50 |
50 |
50 |
50 |
| Shock Rating (g) - Horizontal Blow | 30 |
30 |
30 |
30 |
30 |
30 |
| Max Auxiliary Contacts | 2 |
4 |
4 |
4 |
4 |
4 |
Auxiliary Contacts Rating ITH (A) |
5 |
5 |
5 |
5 |
5 |
5 |
| Contactor Weight (Kg) | 3 |
3.35 |
6 |
15.5 |
16 |
19.5 |
| Ambient Operating Temp (OC) (@ 100% Relative Humidity) |
50OC Max. Continuous, 85OC Max. for 72 Hours in 2000 Hours | |||||