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AC Motors | Definite Purpose | 208-230 Volt | TEFC Encl | Three Phase |

Performance Data: M1557T

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Product Nameplate Data :
Rated Output 3/.75 HP Hertz 60 NEMA Nom. Eff. 0
Volts 208-230 Phase 3 Power Factor 0
Full Load Amps 8/3 NEMA Design Code B Service Factor 1.15
Speed 1725/850 LR KVA Code G Rating - Duty 40C AMB-CONT
 
(Typical performance - Not guaranteed values)
General Characterstics at 230 V, 60 Hz, 3 HP
Full Load Torque 9.3 LB-FT Starting Current 48 Amps
Start Configuration DOL No-Load Current 3.4 Amps
Break Down Torque 24 LB-FT Line-line Resistance @ 25° C 1.99 Ohms
Pull-Up Torque 17 LB-FT Temperature Rise, C @ FL (in deg) 84
Locked-Roter Torque 19 LB-FT Temp. Rise @ S.F. Load (in deg) 105
Load Characteristics at 230 V, 60 Hz , 3 HP
% of Rated Load 25 50 75 100 125 150 S.F.
Power Factor 53 75 84 89 89 88 89
Efficiency 73.6 81 82.1 80.9 78.5 75.5 79.5
Speed (rpm) 1775 1752 1725 1695 1660 1617 1674
Line Amperes 3.8 4.8 6.2 7.8 9.8 12.2 9
 
(Typical performance - Not guaranteed values)
General Characterstics at 230 V, 60 Hz, 0.75 HP
Full Load Torque 4.7 LB-FT Starting Current 10.8 Amps
Start Configuration DOL No-Load Current 2.2 Amps
Break Down Torque 10 LB-FT Line-line Resistance @ 25° C 7.95 Ohms
Pull-Up Torque 7 LB-FT Temperature Rise, C @ FL (in deg) 56
Locked-Roter Torque 8.1 LB-FT Temp. Rise @ S.F. Load (in deg) 66
Load Characteristics at 230 V, 60 Hz , 0.75 HP
% of Rated Load 25 50 75 100 125 150 S.F.
Power Factor 32 46 59 70 72 75 71
Efficiency 52.4 66 70.9 71.8 70.7 67.5 71.1
Speed (rpm) 887 875 861 845 826 801 834
Line Amperes 2.2 2.4 2.6 2.8 3.4 4 3.16
 

* For certified information, contact your local Baldor office.