Motor/Control Division

IC411 - TEFC, IP55, 143T/145T Frame, 575VAC 60Hz 3 Phase, 12367209, NEMA Premium Efficiency, IEEE 841, Foot Mounted, Cast Iron Frame, 7/8" Keyed Shaft

Electric Motors

Frame	143/5T
Output	1 HP (0.75 kW)
Number of Poles	4
Frequency	60 Hz
Rated speed	1760 rpm
Slip	2.22 %
Rated voltage	575 V
Rated current	1.18 A
L. R. Amperes	10.1 A
LRC	8.6x(Code M)
No load current	0.752 A
Rated torque	2.98 ft.lb
Locked rotor torque	290 %
Breakdown torque	350 %
Locked rotor time	32s (cold) 18s (hot)

Moment of inertia (J)	0.1172 sq.ft.lb
Design	B
Insulation Class	F
Service factor	1.25
Temperature rise	80 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?	51.0 dB(A)
Approx. weight?	52.0 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%
80.0	84.0	85.5

Power factor

50%	75%	100%
0.55	0.68	0.75

Features

Frame Material	Cast Iron
Impregnation Method	Dip and Bake Polyester
Regreasing System	Stainless Steel, at Drive end and Non-drive end
Main terminal box hole	NPT 3/4"
Terminal Block	Without
Drain	Type T, Threaded
Shaft Material	SAE 1040/45 Carbon Steel
Painting	RAL 5009 202E (ISO 12944 - C4)
Grounding Lugs	Double
Fan Cover material	Cast Iron
Tropicalized Painting	According to IEEE-841 (96h)
Joints Seal	Molykote
Foot flatness	(0.005 pol) 0.127 mm
Fan material	Conductive Plastic
Bearing cap	Yes- Bearing Cap
Drip Cover	Without
Overload protector (phenolic)	Without overload protector