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Small electric motors

Energy Efficiency Regulations

Regulatory definition

Small electric motor, a machine that converts electrical power into rotational mechanical power and that:

  • has a nominal output power of not less than 0.18 kW (0.25 horsepower) and not more than 2.2 kW (3 horsepower);
  • is a NEMA design with a two-digit frame number or an IEC design with a frame number of 63 or 71;
  • has a nominal frequency of 50/60 Hz or 60 Hz;
  • has a two-, four- or six-pole construction
  • operates using alternating current;
  • is one of the following types, namely, capacitor-start capacitor-run, capacitor-start induction-run or polyphase;
  • has an open construction;
  • is rated for continuous duty or S1 operation;
  • is designed to operate at a single speed; and
  • is designed as a general purpose motor

Does not include:

  • split-phase motor
  • shaded pole motor, or
  • permanent split-capacitor motor
Note: Small electric motors incorporated into any other product that is subject to the Regulations are also not included.

Compliance date

Manufactured on or after March 9, 2015

Compliant product models

Small electric motors as listed on NRCan’s searchable database

Testing standard

CSA C747-09 or IEEE 112-2004, Test Method A 
Polyphase with normal output power ≥ 0.18 kW (0.25 horsepower) but ≤ 0.75 kW (1 horsepower)      

CSA C390-10 or IEEE 112-2004, Test Method B
Polyphase with normal output power > 0.75 kW (1 horsepower) but ≤ 2.2 kW (3 horsepower)

CSA C747-09 or IEEE 114-2010
Capacitor start capacitor-run (CSCR) or Capacitor-start induction-run (CSIR)

Energy efficiency regulations by province

Some provinces also have their own energy efficiency regulations for many of the federally regulated products – find out which ones!

Energy efficiency standard

Energy performance standard for small electric motors
Motor power, horsepower/standard kilowatt equivalent Minimum average full load efficiency
Polyphase Capacitor-start capacitor-run and capacitor-start induction-run
Open motors
(number of poles)
Open motors
(number of poles)
6 4 2 6 4 2
0.25/0.18 67.5 69.5 65.6 62.2 68.5 66.6
0.33/0.25 71.4 73.4 69.5 66.6 72.4 70.5
0.5/0.37 75.3 78.2 73.4 76.2 76.2 72.4
0.75/0.55 81.7 81.1 76.8 80.2 81.8 76.2
1/0.75 82.5 83.5 77.0 81.1 82.6 80.4
1.5/1.1 83.8 86.5 84.0 N/A 83.8 81.5
2/1.5 N/A 86.5 85.5 N/A 84.5 82.9
3/2.2 N/A 86.9 85.5 N/A N/A 84.1

NEMA MG-1-2014: NEMA Standards Publication No. MG 1-2014 Motors and Generators

Energy efficiency report requirements

  • name of product
  • brand name
  • model number
  • manufacturer
  • name of the certification body or province whose verification mark will be on the product
  • whether a mathematical model as defined in the Regulations was used to generate any of the information provided below
  • nominal output power in kilowatts (horsepower)
  • number of poles
  • average full-load efficiency
  • type (i.e. capacitor-start capacitor-run, capacity-start induction-run or polyphase)

Download the energy efficiency reporting template.

This document does not constitute part of the Energy Efficiency Act (Act) or its associated regulations. This document is an administrative document that is intended to facilitate compliance by the regulated party with the Act and its associated regulations. This document is not intended to provide legal advice regarding the interpretation of the Act or its associated regulations. If a regulated party has questions about their legal obligations or responsibilities under the Act or its associated regulations, they should seek the advice of legal counsel.

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