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Product description
With 5.0 Nm standstill torque, Siemens 1HU3071-0AC01-Z belongs to the permanent-magnet DC servomotors of the 1HU3 short-motor range. Version 1HU3 071-0AC01 operates at a rated speed of 2,000 min⁻¹ with 176 V armature voltage and 7.1 A standstill current. For short-duration loads, the data specifies 57 A peak current and 5.5 Nm maximum torque. The moment of inertia is 0.0028 kg·m²; the mechanical, electrical and thermal time constants are 7.6 ms, 6.4 ms and 90 min. The self-cooled short motor has degree of protection IP54. At 20 °C, its armature circuit has a resistance of 1.62 Ω and an inductance of 10.3 mH. The torque constant is 0.772 Nm/A and the voltage constant is 81 V·min·10⁻³. Acceleration values of 7.140 rad/s² and a theoretical maximum of 9.010 rad/s² are also specified. The basic motor is 206 mm long; the listed mounting arrangements are IM B5, IM V1 and IM V3. Flange diameter is 200 mm, centring shoulder diameter 130 mm and housing diameter 142 mm. Its mass is 14 kg. The complete designation with version 0AC01-Z, the 2.000-min⁻¹ winding and size 071 distinguish this motor within the 1HU3 range. The mechanical table lists the basic motor separately from versions with an attached tachogenerator or pulse encoder because their overall lengths differ.
Example image – The item supplied will have the stated manufacturer or type number and the stated condition category. Serial number, manufacturing date, labels, colour, packaging and normal signs of use or storage may differ. Specifications
| Manufacturer | Siemens |
|---|---|
| Product range | 1HU3 short motors |
| Manufacturer/order/identification number | 1HU3071-0AC01-Z |
| Device type | Permanent-magnet DC servomotor |
| Cooling method | Self-cooled |
| Degree of protection | IP54 |
| Standstill torque | 5.0 Nm |
| Standstill current | 7.1 A |
| Peak current | 57 A |
| Armature voltage | 176 V |
| Rated speed | 2,000 min⁻¹ |
| Maximum torque | 5.5 Nm |
| Moment of inertia | 0.0028 kg·m² |
| Armature-circuit resistance | 1.62 Ω at 20 °C |
| Dimensions | Basic length 206 mm; flange Ø 200 mm; centring shoulder Ø 130 mm; housing Ø 142 mm |
| Weight | 14 kg |
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What are the key electrical ratings of Siemens 1HU3071-0AC01-Z?
For catalogue version 1HU3 071-0AC01, the data specifies 176 V armature voltage, 7.1 A standstill current, 57 A peak current and a rated speed of 2,000 min⁻¹.
What basic dimensions apply to the 1HU3-071 short motor?
The Siemens dimension sheet specifies a basic length of 206 mm, a flange diameter of 200 mm, a centring shoulder of 130 mm and a housing diameter of 142 mm. Encoder-equipped versions have a separately listed overall length.
What applies if an item develops a defect within 14 days?
For the condition categories “Used, removed from an installation” and “New, old stock”, the contractual 14-day right of return in the event of a defect applies. The defect must occur within 14 calendar days after delivery and be reported in text form within the same period.
In particular, the REHA tamper-evident seal must remain fully intact and our RMA approval is required before return. In an accepted case, we decide between replacement and refund. Details in Section 11 of the Terms.
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The shipping method, shipping cost and estimated delivery time are confirmed for the specific order. Depending on the item, destination and urgency, we can check parcel, express or freight shipping as well as collection.
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No. There is no general B2B right of return, exchange, cancellation or withdrawal. Incorrect or duplicate orders and a lack of suitability or compatibility with the customer’s installation are not covered by the contractual 14-day right of return in the event of a defect. Details in Section 12 of the Terms.
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