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How to specify an Elevator Motor

What to put on an RFQ for Elevator Motor: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Elevator MotorTRADINOR · FIGUREWhat to lock for Elevator MotorInterfaceDrivePower and speedElectrical
Put these on the RFQ for Elevator Motor before you compare prices.

A buyer searching for Elevator Motor is usually trying to stop a bad substitute. A motor is specified by power, speed, voltage, duty, and the mechanical interface. The notes below are selection criteria for an Elevator Motor. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Elevator Motor

A motor is specified by power, speed, voltage, duty, and the mechanical interface. For an Elevator Motor, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Elevator Motor is easy to confuse with Crane Motor. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Elevator Motor
Interface Shaft size, and feedback if it is a servo.
Drive Whether it will run on a VFD. Insulation and bearing measures may change.
Power and speed Kilowatts or horsepower and rpm at the rated point.
Electrical Voltage, phases, frequency, and current.
Duty Continuous or intermittent, and the ambient.
Enclosure The enclosure code and the mounting, such as foot or flange.

How to compare two offers

Lay both quotes for Elevator Motor on one sheet and line up interface, drive, and power and speed. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Elevator Motor with a cheaper line that omitted interface.

Documents worth having before the deposit

IEC 60034 is the usual rotating-machinery family. Ask which ratings on the nameplate follow it. The file should name Elevator Motor and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Putting a standard motor on a VFD without asking about insulation and bearings.
  • Mismatching the shaft.
  • Forgetting the service factor or the duty.

On an Elevator Motor, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Elevator Motor — State power, speed, voltage, phases, duty, and frame or shaft.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like outdoor belong

Searches often add a constraint to Elevator Motor: outdoor, or RoHS / CE. Keep those on this page. Outdoor means UV, temperature cycle, and corrosion, not only a gasket. Name the climate and the years the gasket is expected to last. RoHS is a material limit. CE is a declaration that lists the rules relied on. Ask for the document that names this part number and revision. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Crane Motor.

Questions buyers actually ask

What should an RFQ for Elevator Motor include?

State power, speed, voltage, phases, duty, and frame or shaft.

Is a cheaper Elevator Motor the same part?

Only if interface, drive, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Elevator Motor they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.