Siemens 1PH7103-2ND03-0CA0
€2,590.00
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Siemens 1PH7103-2NG02-0DJ0 is a separately ventilated induction motor from the 1PH7 series for controlled main spindles and high-performance machine axes. The Siemens catalogue assigns this order number to frame size 100. In S1 duty, the motor provides 7 kW rated power at 2,000 min⁻¹ and 33.4 Nm rated torque. Rated current is 17.5 A and moment of inertia is 0.017 kgm². The documented maximum continuous speed is 5,500 min⁻¹, while maximum speed is 9,000 min⁻¹. Siemens also specifies 10 kW for the S6-40 % duty profile. This S1 rating belongs to the documented performance level. This version uses an external fan and a sin/cos 1 Vpp incremental encoder without C and D tracks. It has IM B5 mounting and a plain shaft. Airflow runs axially from the drive end to the non-drive end. Protection ratings are IP55 for the motor and IP54 for the fan. Related 1PH7 versions differ in encoder, shaft end, terminal arrangement, bearings, fan and mounting configuration. The official Siemens dimension drawing for the 1PH7103 in IM B5 mounting specifies a 250 mm flange diameter, an LB construction length of 411 mm and an 80 mm shaft extension. The resulting external length is 491 mm including the shaft extension. Because the flange exceeds the documented 196 mm housing width and the 218 mm HD height, the complete outside dimensions are 250 × 250 × 491 mm. Catalogue weight is approx. 40 kg. Complete order number, flange, total length and shaft extension jointly identify the mechanical version.
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. Unless expressly confirmed, technical information is provided to identify the device type. The complete manufacturer or type number is decisive.
| Manufacturer | Siemens |
|---|---|
| Product series | 1PH7 |
| Manufacturer/Order/Identification number | 1PH7103-2NG02-0DJ0 |
| Equipment type | Asynchronous motor for main-spindle drives |
| Frame size | 100 |
| Rated speed | 2000 min⁻¹ |
| Maximum continuous speed | 5500 min⁻¹ |
| Maximum speed | 9000 min⁻¹ |
| Rated power S1 | 7 kW |
| Power S6-40 % | 10 kW |
| Rated torque | 33.4 Nm |
| Rated current S1 | 17.5 A |
| Moment of inertia | 0.017 kgm² |
| Cooling | separate ventilation with external fan |
| Encoder | sin/cos 1 Vpp incremental encoder without C and D tracks |
| Mounting arrangement | IM B5 (IM V1, IM V3) |
| Protection rating | motor IP55, fan IP54 |
| Shaft and airflow | plain shaft; axial DE → NDE |
| Dimensions | 250 × 250 × 491 mm (W × H × L, incl. shaft extension) |
| Weight | approx. 40 kg |
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The outside dimensions are 250 × 250 × 491 mm in width × height × length order; the 250-millimetre flange defines the maximum width and height, and the 80-millimetre shaft extension is included.
The Siemens catalogue lists an approximate weight of 40 kg for this motor size.
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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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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