The W40 motor is a general purpose line designed for environments where dirt and moisture are minimal. The W40 cast iron frame is designed to provide maximum ventilation and heat dissipation, offering low vibration levels, high mechanical stiffness and durability.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
575 V |
| Number of poles |
6 |
| Degree of Protection |
IP23 |
| Synchronous speed |
1200 rpm |
| Output rating |
7.5 HP |
| Mounting |
F-1 |
| Flange |
C |
| Terminal box¹ |
Left position |
| Enclosure |
IC01 - ODP |
Electric Motors
| Frame |
254TC |
| Output |
7.5 HP (5.5 kW) |
| Number of Poles |
6 |
| Frequency |
60 Hz |
| Rated speed |
1180 rpm |
| Slip |
1.67 % |
| Rated voltage |
575 V |
| Rated current |
7.95 A |
| L. R. Amperes |
53.3 A |
| LRC |
6.7x(Code H) |
| No load current |
4.32 A |
| Rated torque |
33.4 ft.lb |
| Locked rotor torque |
260 % |
| Breakdown torque |
300 % |
| Locked rotor time |
28s (cold) 16s (hot) |
| Moment of inertia (J) |
2.29 sq.ft.lb |
| Design |
B |
| Insulation Class |
F |
| Service factor |
1.25 |
| Temperature rise |
80 K |
| Duty Cycle |
Cont.(S1) |
| Starting Method |
Direct On Line |
| Ambient temperature |
-20°C to +40°C |
| Altitude |
1000 m.a.s.l. |
| Degree of Protection |
IP23 |
| Enclosure |
IC01 - ODP |
| Mounting |
F-1 |
| Rotation¹ |
Both (CW and CCW) |
| Noise level² |
59.0 dB(A) |
| Approx. weight³ |
255 lb |
Efficiency
| 50% |
87.5 |
| 75% |
89.5 |
| 100% |
90.2 |
Power factor
| 50% |
0.58 |
| 75% |
0.70 |
| 100% |
0.77 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
NPT 1 1/2" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Single |
| Fan Cover material |
Without Fan Cover |
| Tropicalized Painting |
Without |
| Fan material |
Without fan |
| Bearing cap |
Yes- Bearing Cap |
| Bolt Material |
Carbon Steel |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
Features
| Frame Material |
Cast Iron |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
NPT 1 1/2" |
| Terminal Block |
Without |
| Shaft Locking Device |
Without |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 5009 203A (ISO 12944 - C2) |
| Grounding Lugs |
Single |
| Fan Cover material |
Without Fan Cover |
| Tropicalized Painting |
Without |
| Fan material |
Without fan |
| Bearing cap |
Yes- Bearing Cap |
| Bolt Material |
Carbon Steel |
| Balancing Method |
1/2 Key |
| Drip Cover |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
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