Submittal Sheet

Page 8 of 12
Product Information Packet: EM2543T - 50HP,1775RPM,3PH,60HZ,326T,4256M,OPSB,F1
AC Induction Motor Performance Data
Record # 53755 - Typical performance - not guaranteed values
Winding: 42WGW387-R001 Type: 4256M Enclosure: OPSB
Nameplate Data
460 V, 60 Hz:
High Voltage Connection
Rated Output (HP) 50 Full Load Torque 149 LB-FT
Volts 230/460 Start Configuration direct on line
Full Load Amps 114/57 Breakdown Torque 420 LB-FT
R.P.M. 1775 Pull-up Torque 217 LB-FT
Hz 60 Phase 3 Locked-rotor Torque 311 LB-FT
NEMA Design Code A KVA Code G Starting Current 373 A
Service Factor (S.F.) 1.15 No-load Current 20.2 A
NEMA Nom. Eff. 94.5 Power Factor 87 LinelineRes.@25ºC 0.12266Ω
Rating - Duty 40C AMB-CONT Temp. Rise @ Rated Load 39°C
S.F. Amps Temp. Rise @ S.F. Load 47°C
Load Characteristics 460 V, 60 Hz, 50 HP
% of Rated Load 25 50 75 100 125 150 S.F.
Power Factor 54 75 83 87 88 88 88
Efficiency 92 94.5 94.9 94.7 94.2 93.4 94.4
Speed 1791 1786.1 1781.1 1775.2 1769.2 1762.1 1772
Line amperes 24.4 33.4 44.7 57.4 71 85.6 65.6