Motor/Control Division

Frame	355M/L
Output	450 HP (330 kW)
Number of Poles	4
Frequency	50 Hz
Rated speed	1491 rpm
Slip	0.60 %
Rated voltage	380 V
Rated current	595 A
L. R. Amperes	4582 A
LRC	7.7
No load current	170 A
Rated torque	1560 ft.lb
Locked rotor torque	235 %
Breakdown torque	235 %
Locked rotor time	27s (cold) 15s (hot)

Design	N
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	S1
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	B3L(E)
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	74.0 dB(A)
Approx. weightÂ³	4627 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%
96.4	96.8	96.8

Power factor

50%	75%	100%
0.75	0.85	0.87

Frame	355M/L
Output	450 HP (330 kW)
Number of Poles	4
Frequency	50 Hz
Rated speed	1493 rpm
Slip	0.47 %
Rated voltage	415 V
Rated current	557 A
L. R. Amperes	4289 A
LRC	7.7
No load current	195 A
Rated torque	1560 ft.lb
Locked rotor torque	275 %
Breakdown torque	285 %
Locked rotor time	27s (cold) 15s (hot)

Design	N
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	S1
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	B3L(E)
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	74.0 dB(A)
Approx. weightÂ³	4627 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%
96.2	96.8	97.0

Power factor

50%	75%	100%
0.69	0.81	0.85

Frame	355M/L
Output	450 HP (330 kW)
Number of Poles	4
Frequency	60 Hz
Rated speed	1793 rpm
Slip	0.39 %
Rated voltage	460 V
Rated current	505 A
L. R. Amperes	4192 A
LRC	8.3
No load current	171 A
Rated torque	1300 ft.lb
Locked rotor torque	285 %
Breakdown torque	305 %
Locked rotor time	66s (cold) 37s (hot)

Design	N
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	S1
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	B3L(E)
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	78.0 dB(A)
Approx. weightÂ³	4627 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%
95.5	96.3	96.5

Power factor

50%	75%	100%
0.72	0.82	0.85

Features

Frame Material	Cast Iron
Impregnation Method	Constant Resin Flow
Regreasing System	At Drive end and Non-drive end
Main terminal box hole	2xM63x1,5
Terminal Block	BMC - 6 pins
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
Balancing Method	1/2 Key
Drip Cover	Without
Overload protector (phenolic)	Without overload protector