3.6 Peripheral Electrical Component Selection Guide for Variable Frequency Drives
3.6 Peripheral Electrical Component Selection Guide for Variable Frequency Drives
Inverter Peripheral Electrical Component Selection Table
| Inverter Power | Circuit Breaker (MCCB) A | Recommended Contactor A | Recommended Input Side Main Circuit Wire mm² | Recommended Output Side Main Circuit Wire mm² | Recommended Control Circuit Wire mm² |
|---|---|---|---|---|---|
| 0.4KWT2 | 16 | 10 | 2.5 | 2.5 | 1.0 |
| 0.7KWT2 | 16 | 10 | 2.5 | 2.5 | 1.0 |
| 1.5KWT2 | 20 | 16 | 4.0 | 2.5 | 1.0 |
| 2.2KWT2 | 32 | 20 | 6.0 | 4.0 | 1.0 |
| 0.7KWT4 | 10 | 10 | 2.5 | 2.5 | 1.0 |
| 1.5KWT4 | 16 | 10 | 2.5 | 2.5 | 1.0 |
| 2.2KWT4 | 16 | 10 | 2.5 | 2.5 | 1.0 |
| 3.7KWT4 | 25 | 16 | 4.0 | 4.0 | 1.0 |
| 5.5KWT4 | 32 | 25 | 4.0 | 4.0 | 1.0 |
| 7.5KWT4 | 40 | 32 | 4.0 | 4.0 | 1.0 |
| 11KWT4 | 63 | 40 | 4.0 | 4.0 | 1.0 |
| 15KWT4 | 63 | 40 | 6.0 | 6.0 | 1.0 |
| 18.5KWT4 | 100 | 63 | 6 | 6 | 1.5 |
| 22KWT4 | 100 | 63 | 10 | 10 | 1.5 |
| 30KWT4 | 125 | 100 | 16 | 10 | 1.5 |
| 37KWT4 | 160 | 100 | 16 | 16 | 1.5 |
| 45KWT4 | 200 | 125 | 25 | 25 | 1.5 |
| 55KWT4 | 200 | 125 | 35 | 25 | 1.5 |
| 75KWT4 | 250 | 160 | 50 | 35 | 1.5 |
| 90KWT4 | 250 | 160 | 70 | 35 | 1.5 |
| 110KWT4 | 350 | 350 | 120 | 120 | 1.5 |
| 132KWT4 | 400 | 400 | 150 | 150 | 1.5 |
| 160KWT4 | 500 | 400 | 185 | 185 | 1.5 |
| 200KWT4 | 600 | 600 | 150*2 | 150*2 | 1.5 |
| 220KWT4 | 600 | 600 | 150*2 | 150*2 | 1.5 |
| 250KWT4 | 800 | 600 | 185*2 | 185*2 | 1.5 |
| 280KWT4 | 800 | 800 | 185*2 | 185*2 | 1.5 |
| 315KWT4 | 800 | 800 | 150*3 | 150*3 | 1.5 |
| 355KWT4 | 800 | 800 | 150*4 | 150*4 | 1.5 |
| 400KWT4 | 1000 | 1000 | 150*4 | 150*4 | 1.5 |
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Note: This selection table provides guidance data. Users can choose electrical components of different sizes according to actual conditions, but they should not be smaller than the recommended values in the table.
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