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Induction three-phase electric motors with increased slip
The motors are designed for drive of mechanisms with high time lag as well as mechanisms, which operate in repeatedly short-time mode (S3). These motors have slip, in case of nominal load, higher than basic motors. Critical slip of these motors is about 40%. It is provided by increasing of rotor winding resistance. The motors are unified with the basic version: the motor have additional letter “S” after series name. The motors are designed to operate with three-phase AC.
- Network frequency – 50 and 60 Hz
- Voltage – 220-660 V
- Protection degree of motor – IP54 (can be manufactured with IP55 on customer’s request)
- Protection degree of current lead – IP55
- Insulation class – F.
TECHNICAL CHARACTERISTICS IN CASE OF 380 V, FREQUENCY OF 50 HZ
| Type | Output, kW | Rotation speed, rpm | Efficiency, % | Cos φ |
Мstart —— Мnom |
Мmax —— Мnom |
Istart —— Inom |
Average noise level, dB(A) |
Weight, kg IM 1081 |
| AIRS 80 А2 | 1,9 | 3000 | 78,0 | 0,86 | 2,1 | 2,2 | 6,5 | 70 | 12,4 |
| AIRS 80 В2 | 2,5 | 3000 | 78,0 | 0,85 | 2,1 | 2,2 | 6,5 | 73 | 15,0 |
| AIRS 90 L2 | 3,5 | 3000 | 81,0 | 0,85 | 2,0 | 2,2 | 6,5 | 73 | 19,6 |
| AIRS 80 A4 | 1,32 | 1500 | 70,0 | 0,78 | 2,1 | 2,2 | 5,0 | 63 | 11,9 |
| AIRS 80 B4 | 1,7 | 1500 | 72,0 | 0,80 | 2,1 | 2,2 | 5,0 | 63 | 13,8 |
| AIRS 90 L4 | 2,4 | 1500 | 78,0 | 0,80 | 2,0 | 2,2 | 6,0 | 67 | 18,1 |
| AIRS 80 A6 | 0,75 | 1000 | 68,0 | 0,72 | 2,0 | 2,1 | 4,0 | 60 | 11,6 |
| AIRS 80 B6 | 1,25 | 1000 | 67,5 | 0,71 | 2,0 | 2,1 | 4,0 | 60 | 15,3 |
| AIRS 90 L6 | 1,7 | 1000 | 72,0 | 0,70 | 1,8 | 2,2 | 6,0 | 60 | 19,0 |
| AIRS 80 A8 | 0,45 | 750 | 58,0 | 0,63 | 1,4 | 1,7 | 3,0 | 57 | 13,8 |
| AIRS 80 B8 | 0,6 | 750 | 61,0 | 0,62 | 1,4 | 1,7 | 3,0 | 57 | 15,0 |
| AIRS 90 IA8 | 0,9 | 750 | 70,0 | 0,71 | 1,4 | 1,9 | 3,5 | 62 | 17,7 |
| AIRS 90 LB8 | 1,2 | 750 | 68,0 | 0,69 | 1,5 | 1,9 | 3,5 | 64 | 20,5 |
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