Motor/Control Division

Frame	280S/M
Output	75 HP (55 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	985 rpm
Slip	1.50 %
Rated voltage	380 V
Rated current	106 A
L. R. Amperes	710 A
LRC	6.7
No load current	41.2 A
Rated torque	394 ft.lb
Locked rotor torque	190 %
Breakdown torque	240 %
Locked rotor time	50s (cold) 28s (hot)

Moment of inertia (J)	77.1 sq.ft.lb
Design	N
Insulation Class	F
Service factor	1.00
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	65.0 dB(A)
Approx. weightÂ³	1705 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%
94.6	94.9	95.0

Power factor

50%	75%	100%
0.70	0.79	0.83

Frame	280S/M
Output	75 HP (55 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	990 rpm
Slip	1.00 %
Rated voltage	400 V
Rated current	102 A
L. R. Amperes	683 A
LRC	6.7
No load current	44.0 A
Rated torque	392 ft.lb
Locked rotor torque	220 %
Breakdown torque	270 %
Locked rotor time	50s (cold) 28s (hot)

Moment of inertia (J)	77.1 sq.ft.lb
Design	N
Insulation Class	F
Service factor	1.00
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	65.0 dB(A)
Approx. weightÂ³	1705 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%
94.5	95.0	95.3

Power factor

50%	75%	100%
0.67	0.77	0.82

Frame	280S/M
Output	75 HP (55 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	990 rpm
Slip	1.00 %
Rated voltage	415 V
Rated current	99.0 A
L. R. Amperes	663 A
LRC	6.7
No load current	46.3 A
Rated torque	392 ft.lb
Locked rotor torque	240 %
Breakdown torque	290 %
Locked rotor time	50s (cold) 28s (hot)

Moment of inertia (J)	77.1 sq.ft.lb
Design	N
Insulation Class	F
Service factor	1.00
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	65.0 dB(A)
Approx. weightÂ³	1705 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%
94.3	95.0	95.4

Power factor

50%	75%	100%
0.64	0.75	0.81

Frame	280S/M
Output	75 HP (55 kW)
Number of Poles	6
Frequency	60 Hz
Rated speed	1190 rpm
Slip	0.83 %
Rated voltage	460 V
Rated current	90.2 A
L. R. Amperes	677 A
LRC	7.5
No load current	41.3 A
Rated torque	327 ft.lb
Locked rotor torque	260 %
Breakdown torque	330 %
Locked rotor time	82s (cold) 46s (hot)

Moment of inertia (J)	77.1 sq.ft.lb
Design	N
Insulation Class	F
Service factor	1.25
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	69.0 dB(A)
Approx. weightÂ³	1705 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%
93.6	94.5	94.5

Power factor

50%	75%	100%
0.64	0.75	0.81

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 1040/45 Carbon Steel
Painting	RAL 5009 203A (ISO 12944 - C2)
Grounding Lugs	Double
Fan Cover material	Cast Iron
Tropicalized Painting	Without
Fan material	Plastic
Bearing cap	Yes- Bearing Cap
Balancing Method	1/2 Key
Drip Cover	Without
Overload protector (phenolic)	Without overload protector