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ECM motor 4w to 25w, 115V/230Vac, 24/48vdc optional, Up to 70% efficiency, Single/Two/Variable speed, Impeller, bracket, rings, - details see: https://www.machineto.com/efficiency-refrigerator-ecm-motor-replace-ac-shaded-pole-motor-10236320

GP aways provide leading technology designs and unsurpassed customer service for refrigerator ECM motor, ECM Fan Motor, ECR motor for refrigeration.

Description

ECM motor(Electronic commutated motor)are designed for direct drop in replacement with 3~25W AC square shaded pole motors and PSC motors.

Features	High efficiency (65~80%) vs normal shaded pole motor (15%),saving your money!
	Available in output power up to 1/30HP (25Watt) .
	Over30000hours life, ClassIP65certified andMaintenance-freeball bearing.
	Available from 115V/230V AC or 24V/48V DC mains supply.
	Standard operating temperatures of -30 C to +50 C (-22 F to +122 F)
	For use with fan blades from 6" to 12” (154mm to300mm) in diameter and 22 to 34 degree pitchs, Wide range of guards and shrouds available.
	CCC, CE, RoSH certified, UL listed and ErP 2013 / 2015 compliant.

Model	Voltage	Frequency	Rated Power	Rated Speed	Axial impeller	IP class	Optional
	(V)	(Hz)	(W)	(Rpm)	Φ
ECM4	115/230vac	50/60	4.5	1250 1300 1450 1550 1800 2300	Φ154 Φ172 Φ200 Φ230 Φ254	IP55/65	Speeds preset at factory
ECM14	115/230vac	50/60	14				2 speeds
	24v/48vdc	/					NTC control
ECM19	115/230vac	50/60	19				Variable speed by 0-10V/PWM
	24v/48vdc	/					Time Reverse

Working principle	Refrigerator ECM motorsare brushless DC motors where the direction of the electric current is switched using electronic controllers. As the switching of the current is technically known as “commutating”, brushless motors are also called “electronically commutated” motors.ECM fan motor for refrigeratorprovide the advantages of brushed DC motors in terms of the ability to have variable speed control, but without the drawbacks of brushes. Without brushes to wear out, ECM motors have design lives equal or longer than AC motors.Brushless ECM motorcan be operated directly from AC mains supply(115V/230V/380V),or from DC(24V/48V).
Advantage	ECM motor fanare very high efficiency (65% to 80%) electric motors and maintain a high efficiency level at part speed. This means that in most cases they use from less than one third to one half of the electricity used by traditional shade pole and induction motors used in the ventilation and refrigeration industries, which in turn translates intolower operating costsand short payback periods. ECM fan motoralso have a wider operating range than traditional shade pole & induction motors, which means that onemotor eccan replace a number of shade pole & induction motor models. ECM motor for refrigeratorallow customers to optimize and integrate the motor, fan and controller with the application, and to include features like data communications, constant volume control, variable speed, etc.ECR motorsare also quieter than traditional inefficient motors, have longer design life and require less maintenance.
Application	In the ventilation and refrigeration industries,ECM motorare found in commercial refrigerators and freezers, beverage merchandisers, vending machines, air conditioners, and many other air moving and refrigeration applications where energy saving, speed control, or low noise and vibrations are important. Aslomotor ECMare used in computer disk drives and in high performance motion control products, such as machine tools.

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