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Smooth pole-change unit WPU
for pole changing motors
Installation and Operating Instructions
Edition 04/98

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Summary of Contents for SEW-Eurodrive WPU 1001

  • Page 1 Smooth pole-change unit WPU for pole changing motors Installation and Operating Instructions Edition 04/98...
  • Page 2 Smooth pole-change units WPU 1001/1003 and 1010 are designed as modular units for top-hat rail mounting with screw terminals. Units WPU 1001 and 1003 come without heatsink; WPU 1010 is provided with a heatsink, mounted on the side of the housing.
  • Page 3: Circuit Wiring Diagram

    100 mm • Ensure protective earthing of WPU 1010 and WPU 2030. • The lead cross-sections are to be dimensioned depending on the motor connected. Maximum lead cross-section: WPU 1001/WPU 1003/WPU 1010: max. 2.5 mm WPU 2030: max. 16 mm •...
  • Page 4 Installation/ Circuit wiring diagram Wiring diagram WPU for motors with separate windings Switch cabinet Motor WPU10.. Motor terminal board L1’ L2’ Motor terminals: 1U/1V/1W: Low speed K1 2U/2V/2W: High speed K2 01697AEN Wiring diagram WPU for tapped wound motors Motor terminals: 1U/1V/1W: Low speed K1 2U/2V/2W: High speed K2 and K3 WPU10..
  • Page 5 Installation/ Circuit wiring diagram Wiring diagram WPU for motors connected in parallel WPU 10.. Motor terminal board L1’ L2’ Motor terminals: 1U/1V/1W: Low speed K1 2U/2V/2W: High speed K2 01700AEN CAUTION: The sum of the individual currents may not exceed the maximum permissible current! Wiring diagrams for WPU 20 3 0 The wiring diagrams for WPU 2030 are identical to those for WPU 10..
  • Page 6 Commissioning The unit is to be installed by qualified electrical personnel only, in strict compliance with the applicable regulations for the prevention of accidents and the installation and operating instructions! It is recommended to carry out the commissioning with the motor in the cold state. Switch the motor off.
  • Page 7: Technical Data

    Technical Data Type WPU 1001 WPU 1003 WPU 1010 WPU 203 0 Part no. 825 742 6 825 743 4 825 744 2 825 745 0 Rated supply voltage 2 x 150...500 V mains Mains frequency 50/60 Hz mains Rated current...
  • Page 8 Dimensions WPU 1001/1003 and WPU 1010 32.5 72.5 Mounted on top-hat rail EN 55022 - 32 x 7.5 1) Heat sink only on WPU 1010 01701AEN WPU 20 3 0 01702AXX Smooth pole-change unit WPU...
  • Page 9: Service And Spare Parts

    Telefax (0 72 51) 75-29 70 D-76676 Graben-Neudorf Telex 7 822 276 Postfach 1220, D-76671 Graben-Neudorf Assembly Garbsen (near Hannover) SEW-EURODRIVE GmbH & Co Tel. (0 51 37) 87 98-30 Service Alte Ricklinger Straße 40-42 Telefax (0 51 37) 87 98-55...
  • Page 10 Service and spare parts Japan Assembly Toyoda-cho SEW-EURODRIVE JAPAN CO., LTD. Tel. (053 83) 7 38 11-13 Sales, Service 250-1, Shimoman-no, Telefax (053 83) 7 38 14 Toyoda-cho, Iwata-gun Shizuoka prefecture, P.O. Box 438-0818 Korea Assembly Ansan SEW-EURODRIVE CO., LTD.
  • Page 12 We are available, wherever you need us. Worldwide. SEW-EURODRIVE right around the globe is transmission with manufacturing and assem- your competent partner in matters of power bly plants in most major industrial countries. S EW-EURODRIVE GmbH & Co · P.O.Box 30 23 · D-76642 Bruchsal/Germany Tel.

This manual is also suitable for:

Wpu 1003Wpu 1010Wpu 2030