Motors / Applied Products

Overseas High Efficiency Regulations Compliant Motors (for USA/Canada)

Three-phase Induction Motors

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Three-phase Induction Motors

Under the U.S. Energy Independence and Security Act (EISA),
the application range of the NEMA Premium (*IE3) has been expanded and enforced since June 1, 2016.
In Canada, under the Canadian Energy Efficiency Act (EEAct), Premium (*IE3) has been enforced since January 1, 2011.

IE3: Efficiency class (IE code) based on the international standard IEC 60034-30:2014

Overview of Regulations

Name of country USA Canada
Legal name EISA (Energy Independence and Security Act)
EEAct (Energy Efficiency Act)
Compliance standard NEMA MG1-12-12 CSA C390
Efficiency class NEMA Premium (IE3) Premium (IE3)
Regulation effective date From June 1, 2016 From January 1, 2011
Applicable motors Housing structure Totally-enclosed type, open type
Mounting method Leg mounting type, flange mounting type Leg mounting type, no-leg type
Output
* Indicated for the 4P specification.
1 to 500 HP
(0.75 to 373 kW)
1 to 200 HP
(0.75 to 150 kW)
1 to 200 HP
(0.75 to 150 kW)
Number of poles 2, 4, 6, 8P 4, 6, 8P 2, 4, 6P
Voltage and frequency 600 V or below, 60 Hz 600 V or below, 50/60 Hz or 60 Hz
Rating Continuous
Load factor 100%
Speed Single speed
Characteristics Design A, B
(IEC: Design N)
Design C
(IEC: Design H)
Design A or B (IEC: Design N)
Others

Special flanges/Special shafts/With Special bases
Vertical hollow shafts/Sleeve bearings/
Thrust bearings
Low-temperature motors/Brake motors/Humidity-proof motors
TEBC (Totally Enclosed Blower Cooled): Externally powered
ventilation type
TENV (Totally Enclosed Non-Ventilated): Totally enclosed
self-cooled type
Immersible electric motors

Categories I and II
Explosion-proof motors
Geared motors
Certification system  Acquisition obligations Yes
Labeling obligations Yes
Penal provisions Yes
Regulation exempt (example)

Air-over (non-self cooled type)/machine built-in type/water-cooled motors/submersible motors, motors dedicated for driving inverters

Categories III, IV, and V

Efficiency Reference Values

Efficiency Reference Values

Output 60 Hz
HP (kW) 2P 4P 6P
1 (0.75) 77.0 83.5 82.5
1.5 (1.1) 84.0 86.5 87.5
2 (1.5) 85.5 86.5 88.5
3 (2.2) 86.5 89.5 89.5
5 (3.7) 88.5 89.5 89.5
7.5 (5.5) 89.5 91.7 91.0
10 (7.5) 90.2 91.7 91.0
15 (11) 91.0 92.4 91.7
20 (15) 91.0 93.0 91.7
25 (18.5) 91.7 93.6 93.0
30 (22) 91.7 93.6 93.0
40 (30) 92.4 94.1 94.1
50 (37) 93.0 94.5 94.1
60 (45) 93.6 95.0 94.5
75 (55) 93.6 95.4 94.5
100 (75) 94.1 95.4 95.0
125 (90) 95.0 95.4 95.0
150 (110) 95.0 95.8 95.8
200 (150) 95.4 96.2 95.8
250 (185) 95.8 96.2 95.8
300 (220) 95.8 96.2
350 (250) 95.8 96.2
400 (300) 95.8 96.2
450 (355) 95.8 96.2
500 (373) 95.8 96.2

Standard Specifications

  Products certified to comply with the US EISA and Canadian EEAct Products certified to comply with the US EISA
Housing structure Totally-enclosed fan-cooled type
Output 0.75 to 30 kW 0.75 to 55 kW
Frame size 80M to 180L (JIS frame number) 80M to 225S (JIS frame number)
Number of poles 2, 4, 6P
Rated voltage 2P 200/220/230/240/400/440/460/480 V 230 V or 460 V
4, 6P 220/230/240/440/460/480 V
Rated frequency 60 Hz
Time rating CONT *S1 (continuous) S1 (continuous)
Protection rating IP55 IP44
Starting method 3.7 kW or smaller: Direct-on-line starting 5.5 kW or larger: -△ starting
Lead wire System Lugs 160L or smaller: Terminal strips 180M or larger: Lugs
No. of wires 3.7 kW or smaller: 9  5.5 kW or larger: 12 3.7 kW or smaller: 3  5.5 kW or larger: 6
Thermal class 155 (F)
Direction of rotation CCW (counterclockwise as seen from load side)
Cooling system IC411
Mounting method Leg mounting type
Ambient conditions Temperature -30℃ to +40℃
Humidity 100%RH max. (no condensation)
Altitude 1,000 m max.
Other No corrosive or explosive gas or vapor
Color of coating Munsell N1.2 (black)
Standard Applicable JEC-2137-2000
Efficiency USA NEMA MG1-12-12 (12-16) NEMA Premium (IE3)
Canada CSA C390 Premium (IE3)
Safety UL1004-1 UL/cUL (CCN: PRGY2, PRGY8)
(Note 1)
Complies with the UL’s Recognized Mark as a component to be integrated into a UL recognized device.
(Note 2)
We can also manufacture products of outdoor type (IP55) or flange mounting type. Please inquire separately.
(Note 3)
Safety requirements may differ depending on the province in Canada. Please make sure to check them in advance.

Specification Nameplates

Specification nameplate sample (Typical)

0.75 kW-4P products

Specification nameplate

3.7 kW-4P products

Specification nameplate

Specification nameplate sample (Typical) 

0.75 kW-4P products

Specification nameplate

3.7 kW-4P products

Specification nameplate
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