Motor/Control Division

Frame	L447/9T
Output	500 HP (370 kW)
Number of Poles	4
Frequency	60 Hz
Rated speed	1789 rpm
Slip	0.61 %
Rated voltage	460 V
Rated current	568 A
L. R. Amperes	4998 A
LRC	8.8x(Code J)
No load current	225 A
Rated torque	1470 ft.lb
Locked rotor torque	300 %
Breakdown torque	280 %
Locked rotor time	39s (cold) 22s (hot)

Moment of inertia (J)	160 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.00
Temperature rise	105 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20?C to +40?C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	F-1
Rotation?	Both (CW and CCW)
Noise level?	79.0 dB(A)
Approx. weight?	3468 lb

(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50%	75%	100%
95.4	96.2	96.2

Power factor

50%	75%	100%
0.72	0.81	0.85

Frame	L447/9T
Output	450 HP (330 kW)
Number of Poles	4
Frequency	50 Hz
Rated speed	1487 rpm
Slip	0.87 %
Rated voltage	380 V
Rated current	606 A
L. R. Amperes	4303 A
LRC	7.1x(Code G)
No load current	222 A
Rated torque	1590 ft.lb
Locked rotor torque	270 %
Breakdown torque	260 %
Locked rotor time	37s (cold) 21s (hot)

Moment of inertia (J)	160 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.00
Temperature rise	125 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20?C to +40?C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	F-1
Rotation?	Both (CW and CCW)
Noise level?	74.0 dB(A)
Approx. weight?	3468 lb

(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50%	75%	100%
95.8	96.2	96.2

Power factor

50%	75%	100%
0.74	0.83	0.86

Frame	L447/9T
Output	450 HP (330 kW)
Number of Poles	4
Frequency	50 Hz
Rated speed	1489 rpm
Slip	0.73 %
Rated voltage	400 V
Rated current	589 A
L. R. Amperes	4712 A
LRC	8.0x(Code J)
No load current	245 A
Rated torque	1590 ft.lb
Locked rotor torque	300 %
Breakdown torque	290 %
Locked rotor time	34s (cold) 19s (hot)

Moment of inertia (J)	160 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.00
Temperature rise	125 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20?C to +40?C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	F-1
Rotation?	Both (CW and CCW)
Noise level?	74.0 dB(A)
Approx. weight?	3468 lb

(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50%	75%	100%
95.4	95.8	96.2

Power factor

50%	75%	100%
0.70	0.80	0.84

Frame	L447/9T
Output	450 HP (330 kW)
Number of Poles	4
Frequency	50 Hz
Rated speed	1490 rpm
Slip	0.67 %
Rated voltage	415 V
Rated current	582 A
L. R. Amperes	5122 A
LRC	8.8x(Code K)
No load current	267 A
Rated torque	1590 ft.lb
Locked rotor torque	320 %
Breakdown torque	310 %
Locked rotor time	32s (cold) 18s (hot)

Moment of inertia (J)	160 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.00
Temperature rise	105 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20?C to +40?C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	F-1
Rotation?	Both (CW and CCW)
Noise level?	74.0 dB(A)
Approx. weight?	3468 lb

(1) Looking the motor from the shaft end.; (2) Measured at 1m and with tolerance of +3dB(A).; (3) Approximate weight, subject to be changed after manufacturing process.; (4) At 100% of full load.

Efficiency

50%	75%	100%
95.4	95.8	96.2

Power factor

50%	75%	100%
0.66	0.77	0.82

Features

Frame Material	Cast Iron
Impregnation Method	Constant Resin Flow
Regreasing System	At Drive end and Non-drive end
Main terminal box hole	2xNPT 3"
Terminal Block	Without
Shaft Locking Device	Without
Drain	Rubber, automatic
Shaft Material	SAE 4140 Carbon Steel
Painting	RAL 5009 203A (ISO 12944 - C2)
Grounding Lugs	Double
Fan Cover material	Cast Iron
Tropicalized Painting	Without
Fan material	Aluminum
Bearing cap	Yes- Bearing Cap
Drip Cover	Without
Overload protector (phenolic)	Without overload protector
Connection Cables Quantity	12