3/4 Hp NEMA AC Induction Motor, Split Phase 115/230V, ODP/TEFC

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Model: RDDLZ-IM-RS344
Weight: 1.00
SKU: RDDLZ-IM-RS344

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56 frame split phase AC electric induction motor or asynchronous motor, 3/4 hp output power, 1725 rpm speed, NEMA design B, full load current 8.8 amps at 115V, 4.4 amps at 150/230V. Highly compact and rigid in order to deflect any deflection during operation.

3/4 hp Induction Motor Specification

Basics	Model	RDDLZRS344D01	RDDLZRS344T01
	Enclosure	ODP	TEFC
	Type	General Purpose Asynchronous Motor
	Item Weight	25 Ibs
	Motor Length	12.7 inch
	Frame	56 Frame
	Design	NEMA Design B
	Certification	CE, UL
	Motor Material	Roll Steel
Technical Parameters	Service Factor	1.25
	Horsepower	1/2 hp
	Rated Frequency	60 Hz
	Phase	Split Phase
	Pole	4 pole
	Voltage	115/230V AC
	Full Load Amps	8.8/4.4A
	Speed	1725 RPM
	Efficiency	73%
	Duty	Continuous
	Isulation Class	Class F
	Protection Class	IP54/ IP55
	Mounting Method	Foot Mounted
Environment	Ambient temperature	-15℃≤θ≤40℃
	Altitude	Altitude should be lower than 1000 meters above sea level

3/4 hp Induction Motor Dimension

Unit: inch

Frame Size	AB	BA	Max A	Max B	C	D	E	2F	H	N	N-W	O	P	R	S	U	Min V	Min ES	Min AA
56	5.6	2.75	6.5	4.2	11.4	3.5	2.44	3	0.34	2.4	1.88	6.7	6.45	0.517	0.188	0.625	1.5	1.41	1/2

NEMA AC Induction Motor Connection Diagram

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Tips: Faults of AC Induction Motor
The faults of AC induction motor are generally divided into two parts: One part is the mechanical reason, such as the damaged bearing or fan blade. The other part is the electromagnetism fault. The two are correlated. For example, the bearing damage will probably cause motor overload or even short circuit. The damage of the fan blade enables the motor winding to have difficult heat dissipation, increased temperature and low insulation. There are many reasons for electromagnetism fault. For example, motor overload, short circuit or voltage shortage can cause motor damage, in which, short circuit is more dangerous. In addition to the above, the reasons causing motor fault still include the following reasons:

Too high ambient temperature, poor dissipation condition.
High starting current of the motor or too long starting time.
Long-term low-speed operation of the motor.
Frequent starting and braking and so on of the motor.

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