Motor/Control Division

Frame	256HP
Output	25 HP (18.5 kW)
Number of Poles	2
Frequency	60 Hz
Rated speed	3520 rpm
Slip	2.22 %
Rated voltage	208-230/460 V
Rated current	63.0-57.0/28.5 A
L. R. Amperes	391-353/177 A
LRC	6.2x(Code G)
No load current	14.1-16.4/8.20 A
Rated torque	37.3 ft.lb
Locked rotor torque	220 %
Breakdown torque	280 %
Locked rotor time	28s (cold) 16s (hot)

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	W-6
Rotation¹	Both (CW and CCW)
Noise level²	72.0 dB(A)
Approx. weight³	309 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	91.5	91.7

Power factor

50%	75%	100%
0.82	0.87	0.89

Features

Frame Material	Cast Iron
Impregnation Method	Dip and Bake Polyester
Regreasing System	At Drive end and Non-drive end
Main terminal box hole	NPT 1 1/2"
Terminal Block	Without
Shaft Locking Device	Without
Drain	Rubber, automatic
Shaft Material	SAE 1040/45 Carbon Steel
Painting	RAL 5009 203A (ISO 12944 - C2)
Grounding Lugs	Single
Fan Cover material	Cast Iron
Tropicalized Painting	Without
Fan material	Plastic
Bearing cap	Yes- Bearing Cap
Balancing Method	1/2 Key
Drip Cover	With
Overload protector (phenolic)	Without overload protector
Connection Cables Quantity	12

6311ZZC3 Koyo Ball Bearing, Sheilded

6311-ZZC3
Available Stock: 2

MFG: JTEKT Corporation

6311-ZZC3

$79.08 / Each

Details...

6209ZZC3 Koyo Ball Bearing, Shielded

6209-ZZC3
Available Stock: 4

MFG: JTEKT Corporation

6209-ZZC3

$30.08 / Each

Details...