WEG Explosion-proof motor was especially designed to operate in environments with the presence of explosive atmospheres. It has robust construction, a flame retention system with gaps between the parts carefully designed, accurate machining on the terminal box and screws with high mechanical strength. It meets the requirements of explosive atmospheres like Division I/Zone 1. All ratings meet NEMA Premium Efficiency. Motors are certified for VFD service.

Product features

Standard	NEMA MG-1
Frequency	60 Hz
Voltage	208-230/460 V
Number of poles	2
Degree of Protection	IP55
Synchronous speed	3600 rpm

Output rating	2 HP
Mounting	Foot-mounted
Flange	C
Mounting	F-1
Terminal box¹	Left position
Enclosure	IC411 - TEFC

Frame	143/5TC
Output	2 HP (1.5 kW)
Number of Poles	2
Frequency	60 Hz
Rated speed	3495 rpm
Slip	2.92 %
Rated voltage	208-230/460 V
Rated current	5.95-5.38/2.69 A
L. R. Amperes	55.9-50.6/25.3 A
LRC	9.4x(Code M)
No load current	2.24-2.60/1.30 A
Rated torque	2.96 ft.lb
Locked rotor torque	350 %
Breakdown torque	400 %
Locked rotor time	27s (cold) 15s (hot)

Moment of inertia (J)	0.0551 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	-20°C to +40°C
Altitude	1000 m.a.s.l.
Degree of Protection	IP55
Enclosure	IC411 - TEFC
Mounting	F-1
Rotation¹	Both (CW and CCW)
Noise level²	68.0 dB(A)
Approx. weight³	77.8 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%
0.64	0.76	0.82

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Witmer Motor Service LLC

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