The W01 Rolled Steel motors were especially developed for fire pump application. They ensure maximum performance and robustness in environments where dirt and humidity are minimal.
| Standard |
NEMA MG-1 |
| Frequency |
60 Hz |
| Voltage |
575 V |
| Number of poles |
2 |
| Synchronous speed |
3600 rpm |
| Output rating |
20 HP |
| Mounting |
W-6 |
| Flange |
C |
| Terminal box¹ |
Left position |
| Enclosure |
IC01 - ODP |
Electric Motors
| Frame |
254/6JM |
| Output |
20 HP (15 kW) |
| Number of Poles |
2 |
| Frequency |
60 Hz |
| Rated speed |
3520 rpm |
| Slip |
2.22 % |
| Rated voltage |
575 V |
| Rated current |
19.0 A |
| L. R. Amperes |
114 A |
| LRC |
6.0x(Code G) |
| No load current |
7.30 A |
| Rated torque |
29.8 ft.lb |
| Locked rotor torque |
180 % |
| Breakdown torque |
240 % |
| Locked rotor time |
16s (cold) 9s (hot) |
| Moment of inertia (J) |
0.6974 sq.ft.lb |
| Design |
B |
| Insulation Class |
F |
| Service factor |
1.15 |
| 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. |
| Enclosure |
IC01 - ODP |
| Mounting |
W-6 |
| Rotation¹ |
Both (CW and CCW) |
| Noise level² |
70.0 dB(A) |
| Approx. weight³ |
167 lb |
Efficiency
| 50% |
88.5 |
| 75% |
89.5 |
| 100% |
90.2 |
Power factor
| 50% |
0.75 |
| 75% |
0.84 |
| 100% |
0.88 |
Features
| Frame Material |
Rolled Steel |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
1.732" |
| Terminal Block |
Without |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 3002 207N (ISO 12944 - C2) |
| Grounding Lugs |
Superior |
| 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 |
With |
| Resilient Base |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
Features
| Frame Material |
Rolled Steel |
| Impregnation Method |
Dip and Bake Polyester |
| Regreasing System |
At Drive end and Non-drive end |
| Main terminal box hole |
1.732" |
| Terminal Block |
Without |
| Shaft Material |
SAE 1040/45 Carbon Steel |
| Painting |
RAL 3002 207N (ISO 12944 - C2) |
| Grounding Lugs |
Superior |
| 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 |
With |
| Resilient Base |
Without |
| Overload protector (phenolic) |
Without overload protector |
| Connection Cables Quantity |
6 |
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