AC INDUCTION MOTOR DATA SHEET
CROWN SIGNATURE MOTORS
MODEL NUMBER
HSD300-18-L449TBB
HORSEPOWER
300
RPM / POLES
1800 / 4
VOLTAGE / PHASE
460 V / 3
FRAME
L449T
ENCLOSURE / DEGREE OF PROTECTION
TEFC / IP55
FREQUENCY
60 HZ
FULL LOAD SPEED
1785 RPM
SERVICE FACTOR
1.15
INSULATION CLASS
F Class N Varnish
FULL LOAD AMPS
336.4 A
LOCKED ROTOR CURRENT
2354.7 A
NEMA CODE LETTER
G
EFFICIENCY / POWER FACTOR
LOAD
EFF.
P.F.
100 %
95.4 %
88.0 %
75 %
95.5 %
84.7 %
50 %
95.1 %
76.2 %
DUTY CYCLE
S1 / Continuous
TORQUE
FULL LOAD
LRT
BDT
888.1 lb.ft.
135 %
225 %
NEMA DESIGN
B
MOMENT OF INERTIA
LOAD (Max.)
MOTOR
1200 lb.ft.2
101.1 lb.ft.2
SOUND PRESSURE LEVEL ( No Load 1 M From Motor)
85 dB(A)
NUMBER OF STARTS (Hot / Cold)
2 Hot / 3 Cold
MAX. AMBIENT TEMPERATURE
40° C
MAX. ELEVATION
3300 Ft. Above Sea Level
TEMPERATURE RISE (At Full Load)
80° C
DRIVE-END BEARING
OPPOSITE DRIVE-END BEARING
6318C3
GREASE TYPE
Mobil Polyrex EM
MOUNTING
F1
ROTATION
Bi-Directional
APPROXIMATE WEIGHT
2890 lbs.
AREA CLASSIFICATION
Class I, Division 2, Groups A, B, C, D
TEMPERATURE CODE
T3 Up To 45°C
INVERTER RATING
10:1 CT / 20:1 VT
SPECIFICATION - In Accordance With
NEMA, CSA
CC 038A
6322C3
REVISED 8/4/14
CURVE NO.
LOAD IN %
PERFORMANCE CURVE
P-PJ44KSR04
225
Type : PJ
Full Load Torque : 888.1 lb.ft
Motor moment of Inertia (J) : 101.1 lb.ft Rated Voltage 575V 460V 230V
Load moment of Inertia (J) : 1200.0 lb.ft Full Load Current
SPEED VS TORQUE & CURRENT CURVE
2
2
kW 300 HP 60 Hz
4
P 1785 RPM
Rated Speed :
269.1A 336.4A
672.8A
350
CURRENT
300
250
200
150
TORQUE IN %
100
50
0
0 102030405060708090100
TORQUE
SPEED IN %
OUTPUT VS EFF., P.F & CURRENT CURVE
800
700
600
500
400
300
CURRENT IN %
200
100
0
100
90
80
70
60
50
40
EFF. & P.F IN %
30
20
10
0
0 25 50 75 100 125
EFF.
P.F
CURRENT
200
180
160
140
120
100
80
60
40
20
0
CURRENT IN %
RM-P251-133 A4(210mm x 297mm)
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