Motor especially conceived to meet the high torques required for application on air compressors. Ball bearings and manual thermal protection, among other electrical and mechanical characteristics, are available as standard feature in all the line and ensure long service life of the motor.
Standard |
NEMA MG-1 |
Frequency |
60 Hz |
Voltage |
208-230 V |
Number of poles |
2 |
Degree of Protection |
IP21 |
Synchronous speed |
3600 rpm |
Output rating |
3 HP |
Mounting |
F-1 |
Flange |
Without |
Terminal box¹ |
Without Terminal Box |
Enclosure |
IC01 - ODP |
Electric Motors
Frame |
D56 |
Output |
3 HP (2.2 kW) |
Number of Poles |
2 |
Frequency |
60 Hz |
Rated speed |
3420 rpm |
Slip |
5.00 % |
Rated voltage |
208-230 V |
Rated current |
15.0-12.5 A |
L. R. Amperes |
82.5-68.7 A |
LRC |
5.5x(Code G) |
No load current |
2.99-2.70 A |
Rated torque |
4.61 ft.lb |
Locked rotor torque |
180 % |
Breakdown torque |
180 % |
Locked rotor time |
14s (cold) 8s (hot) |
Moment of inertia (J) |
0.0451 sq.ft.lb |
Insulation Class |
F |
Service factor |
1.20 |
Temperature rise |
105 K |
Duty Cycle |
COMPRESSOR DUTY |
Starting Method |
Direct On Line |
Ambient temperature |
-20°C to +40°C |
Altitude |
1000 m.a.s.l. |
Degree of Protection |
IP21 |
Enclosure |
IC01 - ODP |
Mounting |
F-1 |
Rotation¹ |
CCW |
Approx. weight³ |
37.5 lb |
Efficiency
50% |
73.0 |
75% |
77.5 |
100% |
78.0 |
Power factor
50% |
0.97 |
75% |
0.98 |
100% |
0.99 |
Features
Frame Material |
Rolled Steel |
Impregnation Method |
Dip and Bake Polyester |
Shaft Material |
SAE 1040/45 Carbon Steel |
Painting |
Only primer |
Grounding Lugs |
Single |
Tropicalized Painting |
Without |
Fan material |
Plastic |
Bearing cap |
No-Without Bearing Cap |
Balancing Method |
1/2 Key |
Drip Cover |
Without |
Resilient Base |
Without |
Overload protector (phenolic) |
Manual |
Features
Frame Material |
Rolled Steel |
Impregnation Method |
Dip and Bake Polyester |
Shaft Material |
SAE 1040/45 Carbon Steel |
Painting |
Only primer |
Grounding Lugs |
Single |
Tropicalized Painting |
Without |
Fan material |
Plastic |
Bearing cap |
No-Without Bearing Cap |
Balancing Method |
1/2 Key |
Drip Cover |
Without |
Resilient Base |
Without |
Overload protector (phenolic) |
Manual |
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