Motor/Control Division

TEFC, IP56, 254TC/256TC Frame, 230/460VAC 60Hz, 190-220/380-415VAC 50Hz 3 Phase, 15228486, Foot Mounted, C-Face, NEMA Premium Efficiency, Rolled Steel Frame, 1-5/8" Keyed Stainless Steel Shaft

Electric Motors

Frame	254/6TC
Output	25 HP (18.5 kW)
Number of Poles	2
Frequency	60 Hz
Rated speed	3530 rpm
Slip	1.94 %
Rated voltage	230/460 V
Rated current	57.0/28.5 A
L. R. Amperes	473/237 A
LRC	8.3x(Code J)
No load current	20.1/10.0 A
Rated torque	37.2 ft.lb
Locked rotor torque	240 %
Breakdown torque	340 %
Locked rotor time	14s (cold) 8s (hot)

Moment of inertia (J)	1.31 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP56
Enclosure	IC411 - TEFC
Mounting	F-1
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	75.0 dB(A)
Approx. weightÂ³<	235 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%
91.0	91.7	91.7

Power factor

50%	75%	100%
0.77	0.85	0.89

Frame	254/6TC
Output	20 HP (15 kW)
Number of Poles	2
Frequency	50 Hz
Rated speed	2930 rpm
Slip	2.33 %
Rated voltage	190/380 V
Rated current	55.8/27.9 A
L. R. Amperes	441/220 A
LRC	7.9x(Code J)
No load current	19.8/9.91 A
Rated torque	35.8 ft.lb
Locked rotor torque	229 %
Breakdown torque	330 %
Locked rotor time	14s (cold) 8s (hot)

Moment of inertia (J)	1.31 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP56
Enclosure	IC411 - TEFC
Mounting	F-1
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	72.0 dB(A)
Approx. weightÂ³<	235 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%
92.3	92.4	91.9

Power factor

50%	75%	100%
0.77	0.86	0.89

Frame	254/6TC
Output	20 HP (15 kW)
Number of Poles	2
Frequency	50 Hz
Rated speed	2940 rpm
Slip	2.00 %
Rated voltage	220/415 V
Rated current	50.4/26.7 A
L. R. Amperes	428/227 A
LRC	8.5x(Code J)
No load current	20.3/10.8 A
Rated torque	35.7 ft.lb
Locked rotor torque	260 %
Breakdown torque	370 %
Locked rotor time	14s (cold) 8s (hot)

Moment of inertia (J)	1.31 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.15
Temperature rise	80 K
Duty Cycle	Cont.(S1)
Starting Method	Direct On Line
Ambient temperature	-20Â°C to +40Â°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP56
Enclosure	IC411 - TEFC
Mounting	F-1
RotationÂ¹	Both (CW and CCW)
Noise levelÂ²	72.0 dB(A)
Approx. weightÂ³<	235 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%
92.1	92.6	92.1

Power factor

50%	75%	100%
0.73	0.83	0.88

Features

Frame Material	Rolled Steel
Impregnation Method	Dip and Bake Polyester
Main terminal box hole	NPT 1 1/4"
Terminal Block	Without
Shaft Material	AISI 304 Stainless Steel
Painting	04501 205E
Grounding Lugs	Superior
Fan Cover material	Steel
Tropicalized Painting	Complete (200h)
Joints Seal	Permatex
Fan material	Plastic
Bearing cap	Yes- Bearing Cap
Bolt Material	Stainless Steel
Balancing Method	1/2 Key
Drip Cover	Without
Resilient Base	Without
Overload protector (phenolic)	Without overload protector