Motor/Control Division

Frame	250S/M
Output	50 HP (37 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	982 rpm
Slip	1.80 %
Rated voltage	380 V
Rated current	69.7 A
L. R. Amperes	516 A
LRC	7.4
No load current	21.0 A
Rated torque	264 ft.lb
Locked rotor torque	190 %
Breakdown torque	229 %
Locked rotor time	30s (cold) 17s (hot)

Moment of inertia (J)	33.8 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	64.0 dB(A)
Approx. weightÂ³	1152 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%
93.8	94.0	93.8

Power factor

50%	75%	100%
0.74	0.82	0.86

Frame	250S/M
Output	50 HP (37 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	984 rpm
Slip	1.60 %
Rated voltage	400 V
Rated current	66.8 A
L. R. Amperes	494 A
LRC	7.4
No load current	22.0 A
Rated torque	263 ft.lb
Locked rotor torque	229 %
Breakdown torque	250 %
Locked rotor time	30s (cold) 17s (hot)

Moment of inertia (J)	33.8 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	64.0 dB(A)
Approx. weightÂ³	1152 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%
94.0	94.2	94.0

Power factor

50%	75%	100%
0.72	0.81	0.85

Frame	250S/M
Output	50 HP (37 kW)
Number of Poles	6
Frequency	50 Hz
Rated speed	985 rpm
Slip	1.50 %
Rated voltage	415 V
Rated current	65.1 A
L. R. Amperes	482 A
LRC	7.4
No load current	23.0 A
Rated torque	263 ft.lb
Locked rotor torque	250 %
Breakdown torque	280 %
Locked rotor time	30s (cold) 17s (hot)

Moment of inertia (J)	33.8 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	64.0 dB(A)
Approx. weightÂ³	1152 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%
93.8	94.4	94.2

Power factor

50%	75%	100%
0.69	0.79	0.84

Frame	250S/M
Output	50 HP (37 kW)
Number of Poles	6
Frequency	60 Hz
Rated speed	1187 rpm
Slip	1.08 %
Rated voltage	460 V
Rated current	58.8 A
L. R. Amperes	459 A
LRC	7.8
No load current	21.0 A
Rated torque	218 ft.lb
Locked rotor torque	270 %
Breakdown torque	280 %
Locked rotor time	52s (cold) 29s (hot)

Moment of inertia (J)	33.8 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	68.0 dB(A)
Approx. weightÂ³	1152 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	94.1	94.1

Power factor

50%	75%	100%
0.69	0.79	0.84

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