CADXChange

ResourcesCircuit librariesMotor starting and control circuits (IEC)

G05G · Sequence and protection

Three pump booster set, lead pump and two assist pumps

The schematic sheet of the drawing set. The other sheets (bill of materials, wire list and so on) come with the purchase.

This circuit

$6

For one person

Included

  • DWG (current format and 2010) and DXF
  • PDF print of every sheet
  • Excel lists: bill of materials, wires, terminals
  • Notes in nine languages
  • Licence for your own and client projects
  • Perpetual licence, no subscription
  • Edit freely, hand drawings to your clients
  • Look inside for free before you buy

Read the full Individual licence

Refund policy

Free with a school or university e-mail address, for study and teaching. Education licence

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How this circuit works

Three pressure switches (or one with three set points) start the pumps one after the other as the pressure falls: pump 1 at the highest pressure, pump 2 and pump 3 at lower set points. The timers hold back the assist pumps for a few seconds so that a short pressure dip does not start them and the pumps do not start together. Each pump stops when its switch opens at the cut-out pressure. Rotate the lead pump by hand or with a changeover if the wear must be shared.

What is in this drawing set

  1. 1Cover

    Title, key data, contents

  2. 2Schematic

    A2 sheet, 18 devices

  3. 3Bill of materials

    8 lines

  4. 4Symbols used

    From 3 free libraries

  5. 5Wire list

    55 wires

  6. 6Terminals and I/O

    2 terminals

  7. 7Selection guide

    Typical sizes, 0.75 to 110 kW

  8. 8Commissioning record

    Check list with fields to fill in

Exactly what you download

This is the folder listing of the ZIP you get for this circuit, so you know exactly what is inside before you pay.

One circuit: a ZIP of about 2.5 MB

  • DWG/G05-Three-pump-booster-set-lead-pump-and-two-assist-pumps.dwgThe editable drawing in the current DWG format: all sheets, devices as blocks with attributes.
  • DWG-2010/G05-Three-pump-booster-set-lead-pump-and-two-assist-pumps.dwgThe same drawing as DWG 2010, for older CAD versions.
  • DXF-2010/G05-Three-pump-booster-set-lead-pump-and-two-assist-pumps.dxfThe same drawing as DXF, for CAD programs that do not read DWG.
  • PDF/G05-Three-pump-booster-set-lead-pump-and-two-assist-pumps.pdfPrint of every sheet, ready to send or to put in a binder.
  • Excel/G05-Three-pump-booster-set-lead-pump-and-two-assist-pumps.xlsxBill of materials, wire list, terminal list and I/O list of this circuit.
  • Excel/Motor-Selection-Guide.xlsxSelection guide for typical motor sizes, 0.75 to 110 kW.
  • CADXChange-G05.pdfCover and notes for the set, with the symbol libraries it uses.
  • Notes/Notes about the set in nine languages.
  • README.txtWhat is in the ZIP and how to use it.
  • LICENSE.txtThe licence text (English).

Sizes are approximate. Names, folders and formats are the same in every licence.

Typical uses

Pump stations, booster sets, conveyor lines, lubrication, hoists and valve actuators.

Specifications

Sheet size
A2
File formats
DWG (current format), DWG 2010, DXF 2010, PDF, Excel (XLSX)
Sheet sizes
A3 and A2 landscape, with title block and frame
Symbols
IEC 60617, from the free CADXChange symbol libraries
Licence
Perpetual, individual or organisation, English licence text in every ZIP
Delivery
ZIP files, one per circuit; the library as one ZIP with an index PDF
Opens in
AutoCAD and other CAD programs that read DWG or DXF

The circuits are typical examples with fictional values. They do not replace the design, calculation and approval of a qualified engineer, they are provided as is, and the selection tables are for orientation only. Check every drawing against the standards, the device manuals and the rules of your installation.

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Questions

Can I change the drawings and use them in client projects?
Yes. Edit them as you like and hand finished drawings to your clients. You may not resell or pass on the library itself. The licence terms have the details.
Which CAD programs open the files?
The DWG files open in AutoCAD and in other CAD programs that read DWG. The 2010 DWG and the DXF are for older or other software. Every device is a block with attributes you can edit.
Are the selection tables a design?
No. They give typical sizes for orientation and name their sources. Motor, starting conditions, cable run, short-circuit level and local rules change the result, so check every value against the nameplate and the device documents.
Can I look at a circuit before I buy?
Yes. Four circuits open in the online viewer, read-only, so you can zoom into the real drawing. For every other circuit the page shows the schematic.

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