05018OP3EFP326TS-W40 WEG 50HP Fire Pump Electric Motor, 1800RPM


MFG: WEG Electric Corporation




Electric Motors

Frame 324/6TS
Output 50 HP (37 kW)
Number of Poles 4
Frequency 60 Hz
Rated speed 1775 rpm
Slip 1.39 %
Rated voltage 230/460 V
Rated current 120/60.2 A
L. R. Amperes 722/361 A
LRC 6.0x(Code G)
No load current 53.6/26.8 A
Rated torque 148 ft.lb
Locked rotor torque 240 %
Breakdown torque 229 %
Locked rotor time 27s (cold) 15s (hot)
Moment of inertia (J) 5.98 sq.ft.lb
Design B
Insulation Class F
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)
Approx. weight³ 470 lb
(1) Looking the motor from the shaft end.; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.


50% 75% 100%
92.4 93.0 93.0

Power factor

50% 75% 100%
0.67 0.78 0.83


Frame Material Cast Iron
Impregnation Method Dip and Bake Polyester
Regreasing System At Drive end and Non-drive end
Main terminal box hole NPT 2″
Terminal Block Without
Shaft Locking Device Without
Shaft Material SAE 1040/45 Carbon Steel
Painting RAL 3002 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


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