Motor/Control Division

Frame	W56
Output	0.5 HP (0.37 kW)
Number of Poles	4
Frequency	60 Hz
Rated speed	1710 rpm
Slip	5.00 %
Rated voltage	277 V
Rated current	3.70 A
L. R. Amperes	18.5 A
LRC	5.0x(Code M)
No load current	3.36 A
Rated torque	1.54 ft.lb
Locked rotor torque	300 %
Breakdown torque	390 %
Locked rotor time	18s (cold) 10s (hot)

Moment of inertia (J)	0.0475 sq.ft.lb
Design	N
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.
Enclosure	IC01 - ODP
Mounting	F-1
Rotation¹	Both (CW and CCW)
Noise level²	50.0 dB(A)
Approx. weight³	18.7 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%
45.4	53.6	57.7

Power factor

50%	75%	100%
0.44	0.54	0.63

Features

Frame Material	Rolled Steel
Impregnation Method	Dip and Bake Polyester
Shaft Material	SAE 1040/45 Carbon Steel
Painting	Only primer
Grounding Lugs	Single
Fan Cover material	Without Fan Cover
Tropicalized Painting	Without
Fan material	Without fan
Bearing cap	No-Without Bearing Cap
Bolt Material	Carbon Steel
Balancing Method	Not Balanced
Drip Cover	Without
Resilient Base	With
Overload protector (phenolic)	Automatic

6203ZZC3 Koyo Ball Bearing, Shielded

6203-ZZC3, 17mm x 40mm x 12mm
Available Stock: 11

MFG: JTEKT Corporation

6203-ZZC3

$5.65 / Each

Details...