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T
Y
ISSUED
S
R
A
R
TYPE
OUTPU
HP
250 / 62.5
11/15/06
AECA
FULL
LOAD
RPM
1778 / 884
ENCLOSURE
PERFORMANCE DATA
3-PHASE INDUCTION MOTOR
2 SPEED 1 WINDING, VARIABLE TORQUE
NAMEPLATE INFORMATION
POLE
4/8
FRAME
SIZE
449T
VOLTAGE
460
HZ
60
RATED
AMBIENT
40oC
INS.
CLASS
F
NEMA
DESIGN
B
TYPICAL PERFORMANCE
EFFICIENC
FULL LOAD
MIN. % NOM. %
93.1 / 89.1 90.5 / 84.0
NO LOAD FULL LOAD LOCKED ROTO
AT
460
VOLT
94.0 / 90.0 92.5 / 88.0 90.5 / 62.0
77.8 / 61.0
3/4 LOAD
%
1/2 LOAD
%
CURRENT
AT
460
VOLT
275 / 105
POWER FACTO
F. L.
%
3/4 LOAD%1/2 LOAD
87.5 / 55.0 75.0 / 42.0
CATALOG#
TIME
RATING
CONT.
%
AT
460
VOLT
1947 / 530
TEFC
CP2504/8
SERVICE
FACTOR
1.15
KVA
CODE
LETTER
G / H
TORQUE
FULL LOAD
lb-ft
LOCKED
ROTOR
%FLT
PULL
UP
%FLT
738 / 371 120 / 120 108 / 108
SAFE STALL
TIME IN
SECONDS
COLD HOT
24 / 35 18 / 25
APPROVED: REVISION
M. PRATER
BREAK
DOWN
%FLT
220 / 220
ALLOWABLE
PER HOUR
COLD HOT
21
DRAWING NO.
ROTOR
STARTS
2
WR
2
lb-ft
135
31057CP2504/8
INERTI
NEMA
LOAD
2
WK
2
lb-ft
1017 / 1530
SOUND
PRESSURE
LEVEL @ 3 FT
dB(A)
85
MAX
ALLOWABLE
WK
lb-ft
2
2
1526 / 3060
0
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