ventilators: accessories
A3RW Three-phase closed speed controller
Three-phase autotransformer regulators are used to regulate the ventilation of fans driven by three-phase asynchronous motors with rated voltage of 400V. Mounted in industrial ventilation or heating installations. Equipped with TK contacts (thermal motor protection) enabling traffic lights to overload the fan motor. The controllers have an additional unregulated 230V output with a load capacity of 2A.
Degree of protection: IP21
Thermal class of insulation B (130 ° C)
Execution in accordance with EN 61558-2-13
| Type | Amperage [A] | [V] | A | Bmax | C | D | E | Weight [kg] |
| A3RW1,5/IP21 | 1,5 | 3×400 | 215 | 135 | 250 | 200 | 190 | 10,0 |
| A3RW2,0/IP21 | 2,0 | 3×400 | 215 | 135 | 250 | 200 | 190 | 11,7 |
| A3RW4,0/IP21 | 4,0 | 3×400 | 315 | 185 | 300 | 300 | 190 | 15,0 |
| A3RW5,0/IP21 | 5,0 | 3×400 | 315 | 185 | 300 | 300 | 190 | 18,0 |
| A3RW7,0/IP21 | 7,0 | 3×400 | 315 | 185 | 300 | 300 | 190 | 21,0 |
| A3RW10,0/IP21 | 10,0 | 3×400 | 415 | 215 | 300 | 400 | 190 | 31,0 |
| A3RW14,0/IP21 | 14,0 | 3×400 | 415 | 215 | 300 | 400 | 190 | 38,0 |
