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ATV21 Altivar 21 frequency inverters are used with 3 phase asynchronous motors from 0.75 to 75 kW. This series of VFDs have variable torque applications for building HVAC. Features of the ATV21 series include integrated EMC filters, a remote terminal, motor and drive protection, and an economical design. Altivar 21 drives also include overload detection and under load detection, along with an automatic restart.
| Part Number | Description | Inventory |
|---|---|---|
| ATV21HD11M3X | VARIABLE SPEED DRIVE - ATV21 - 11kW 15HP - 240V... | 3 in stock |
| ATV21HD11N4 | Variable speed drive - ATV21 - 11kW 15HP - 480V - ... | 1 in stock |
| ATV21H075N4 | Variable Speed Drive, ATV21 - 0.75kW 1HP,  ... | 1 in stock |
| ATV21HU22M3X | 3HP 230V AC DR | 1 in stock |
| ATV21HU15N4 | AC DRIVE, 3PHASE | 1 in stock |
| ATV21HD15N4 | Variable speed drive - ATV21 - 15kW 20HP - 480V - ... | call for stock |
| ATV21HU40N4 | Variable speed drive - ATV21 - 4kW 5HP - 480V - EM... | call for stock |
| ATV21HU55N4 | Variable speed drive - ATV21 - 5.5kW 7.5HP - 480V ... | call for stock |
| ATV21HU75N4 | Variable speed drive - ATV21 - 7.5kW 10HP - 480... | call for stock |
