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EM4112T

20HP, 880RPM, 3PH, 60HZ, 324T, 1252M, TEFC, F1

Product Information Packet PDF

Ship Weight 534.000 LB
UPC 781568815908

Specs

Catalog Number EM4112T
Enclosure TEFC
Frame 324T
Frame Material Iron
Frequency 60.00 Hz
Motor Letter Type Three Phase
Output @ Frequency 20.000 HP @ 60 HZ
Phase 3
Synchronous Speed @ Frequency 900 RPM @ 60 HZ
Voltage @ Frequency 230.0 V @ 60 HZ
460.0 V @ 60 HZ
XP Class and Group None
XP Division Not Applicable
Agency Approvals CSA
CSA EEV
UR
Ambient Temperature 40 °C
Auxillary Box No Auxillary Box
Auxillary Box Lead Termination None
Base Indicator Rigid
Bearing Grease Type Polyrex EM (-20F +300F)
Blower None
Current @ Voltage 70.000 A @ 230.0 V
66.000 A @ 208.0 V
35.000 A @ 460.0 V
Design Code B
Drip Cover No Drip Cover
Duty Rating CONT
Efficiency @ 100% Load 90.2 %
Electrically Isolated Bearing Not Electrically Isolated
Feedback Device NO FEEDBACK
High Voltage Full Load Amps 35.0 a
Front Face Code Standard
Front Shaft Indicator None
Heater Indicator No Heater
Insulation Class F
Inverter Code Inverter Ready
IP Rating NONE
KVA Code H
Lifting Lugs Standard Lifting Lugs
Locked Bearing Indicator Locked Bearing
Motor Lead Exit Ko Box
Motor Lead Termination Flying Leads
Motor Lead Quantity/Wire Size 9 @ 10 AWG
Motor Type 1252M
Mounting Arrangement F1
Number of Poles 8
Overall Length 30.28 IN
Power Factor 60
Product Family General Purpose
Pulley End Bearing Type Ball
Pulley Face Code Standard
Pulley Shaft Indicator Standard
Rodent Screen None
Service Factor 1.15
Shaft Diameter 2.125 IN
Shaft Extension Location Pulley End
Shaft Ground Indicator No Shaft Grounding
Shaft Rotation Reversible
Shaft Slinger Indicator Shaft Slinger
Speed 880 rpm
Speed Code Single Speed
Motor Standards NEMA
Starting Method Direct on line
Thermal Device - Bearing None
Thermal Device - Winding None
Vibration Sensor Indicator No Vibration Sensor
Winding Thermal 1 None
Winding Thermal 2 None

Drawings

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Nameplate

CAT.NO. EM4112T P/N ENCLOSURE TEFC
SPEC. 12C051Y615G1 CC 010A FRAME 324T S/N
HP 20 CLASS F HZ 60
RPM 880 PH 3 DES B
VOLT 230/460 KVA-CODE H ODE BRG 6311 DE BRG 6312
AMP 70/35 USABLE AT 208V 66
RATING 40C AMB-CONT GREASE POLYREX EM
NEMA-NOM-EFF 90.2 PF 60 SER.F. 1.15
HTR-VOLTS HTR-AMPS
NP2138L

Performance

Performance at 460 V, 60 Hz, 20 hp

Typical performance; not guaranteed values.

General Characteristics

Full Load Torque 0 LB-FT
No-Load Current 0 A
Line-Line Res. @ 25° C 0.397 Ohms A Ph / 0 Ohms B Ph
Temp. Rise @ Rated Load 58° C
Temp. Rise @ S.F. Load 68° C
Start Configuration DOL
Break-Down Torque 360 LB-FT
Pull-Up Torque 189 LB-FT
Locked-Rotor Torque 218 LB-FT
Starting Current 177 A

Load Characteristics

Rated Load 0% 25% 50% 75% 100% 125% 150% S.F.
Power Factor 4.0 25.0 41.0 52.0 60.0 65.0 66.0 63.0
Efficiency 0.0 81.2 87.7 89.5 90.2 88.9 87.0 89.5
Speed (RPM) 899 896 893 889 885 880 871 882
Line Amps 22.70 23.40 26.10 30.00 34.90 40.70 50.20 38.40

Performance Curves

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