Worldwide Electric Corporation EP20-18-256T Data Sheet
HORSEPOWER
RPM / POLES
VOLTAGE / PHASE
FRAME
ENCLOSURE / DEGREE OF PROTECTION
FREQUENCY
FULL LOAD SPEED
SERVICE FACTOR
INSULATION CLASS
FULL LOAD AMPS; 230 / 460
LOCKED ROTOR AMPS (STARTING); 230 / 460
NO LOAD CURRENT
NEMA CODE LETTER
LOAD EFF. P.F.
100% 93.8% 0.85
75% 93.0% 0.84
50% 91.1% 0.81
DUTY CYCLE
FULL LOAD LRT BDT
60.0 lb.ft. 200% 250%
SLIP
NEMA DESIGN
MOMENT OF INERTIA
NUMBER OF STARTS (Hot / Cold)
MAX. AMBIENT TEMPERATURE
MAX. ELEVATION
TEMPERATURE RISE (At Full Load)
DE BEARING
ODE BEARING
GREASE TYPE
MOUNTING
ROTATION
APPROXIMATE WEIGHT
AREA CLASSIFICATION
TEMPERATURE CODE AT 40°C AMBIENT
TEMPERATURE CODE AT 55°C AMBIENT
INVERTER RATING
SPECIFICATION - In Accordance With
NEMA, CSA
F1 (F2 Suitable)
Bi-Directional
Class I, Division 2, Groups A, B, C, D
10:1 CT / 20:1 VT PWM Type
TORQUE
436 lbs.
6308
Mobil Polyrex EM
2 Hot / 3 Cold
EFFICIENCY / POWER FACTOR
290 / 145 A
G
4.09 lb.ft.
2
B
S1 / Continuous
80° C
6309
3300 Ft. Above Sea Level
60 HZ Suitable For 50 HZ Operation With 1.0 SF
EP20-18-256T
1.25 SF at 40° C / 1.0 SF at 55° C
F
17.14 / 8.57 A
1.70%
40° C at 1.25 SF / 55° C at 1.0 SF
T3C
T3A
WORLDWIDE ELECTRIC MOTOR DATA SHEET
256T
1750 RPM
47.94 / 23.97 A
20
1800 / 4
230 / 460 V / 3
TEFC / IP55
JUNE 23, 2016
E 2F1 2F2 H BA A B C D G J P L AB
5 8.25 10 0.53 4.25 12.25 12.36 25.196 6.25 0.866 2.4 14.64 15.62 10.9
AA XB XC XD XE
1.5 3 7.2 6.3 8.66
U
WORLDWIDE ELECTRIC MOTOR DRAWING
EP-256T
DIMENSIONS - INCHES
MOUNTING
KEYSET
SHAFT
TERMINAL BOX
1.416
4
1.625
KEY
S
0.375
ES
2.91
R
N-W
REVISED - 03/17/15
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