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Description
This motor is categorized under standard motors and is identified by the vendor product name SIEMENS 250M.
Specifications
| Manufacturer | Grundfos |
|---|---|
| Part Number | 81U35338 |
| Shaft diameter | 2.36 in |
| Length of shaft end | 5.51 in |
| Approvals for motor | CE,EAC,UKCA,cURus/cCSAus |
| Energy approvals for motor | CE,CC, |
| Cooling | IC 411 |
| Cable gland entry | 1xG 1 1/2" + 1xG 3/4" |
| Range of ambient temperature | -4 .. 131 °F |
| Flange size for motor | FF500 |
| Motor type | INNOMOTICS_SIEMENS |
| Rated power - P2 | 75 HP |
| Main frequency | 60 Hz |
| Rated voltage | 3 x 440-480D V |
| Rated current | 96.0-88.0 A |
| Maximum current consumption | 96.0 A |
| Starting current | 730 % |
| Cos phi - power factor | 0.89 |
| Rated speed | 3580 rpm |
| Rated full-load torque | 150 Nm |
| Locked-rotor torque | 250 % |
| Breakdown torque | 50-500 % |
| Moment of inertia | 11.01 lb ft² |
| IE efficiency | IE3 93,6% |
| IE Efficiency class | IE3 / NEMA Premium |
| Motor efficiency at full load | 93.6 % |
| Motor efficiency at 3/4 load | 93.6 % |
| Motor efficiency at 1/2 load | 92.7 % |
| Number of poles | 2 |
| Enclosure class (IEC 34-5) | IP55 |
| Insulation class (IEC 85) | F |
| Built-in motor protection | PTC |
| Tropic protec | No |
| Thermal protec | external |
| R1 | 0.090 ohm |
| R2 | 0.090 ohm |
| R3 | 0.090 ohm |
| Winding 1 | PHASE 1 |
| Winding 2 | PHASE 2 |
| Winding 3 | PHASE 3 |
| Mounting design per IEC 34-7 | IM V1 |
| Cos phi 1/2 | 0.82 |
| Cos phi 3/4 | 0.88 |
| Bearing insulation type N-end | Steel Bearing |
| Net weight | 915 lb |
| Color/Type | BLACK |
| Custom tariff no. | 8413.91.00 |