EC Shaded-Pole Motor
ECM71 series fan motor is for direct replacement of YZF shaped-pole motor due to energy-saving request 。Nowadays。saving
energy is more important than ever。In refrigerated cases, bottle coolers and floor convectors are often operated almost
constantly, fans with more effective fan motors are demanded. ECM motor has high efficiency of up to 65% than shaped-pole
motor , while 70% energy savings. This can save quite a lot of money from end-user' s pocket , less waste heat is given off into the
surroundings, resulting in further energy savings. Excellent acoustics due to low-vibration ECM motor can reduce environmental
impact . ECM motor is compatible with existing shaded-pole motors and requires the same space for installation, allowing simple
and direct mechanical replacement. Axial impellers with diameters from 170 to 300 mm can be fitted to ECM motor the same way
for insallaion . All accessories such as grid , fan blades, flange and bracket can be installed the same way due to the same size as
shaped-pole motor . Electronic control unit supplies smart electronics regulate voltage fuctuations and makes the speed remains
constant. We offer speed of 900r/min , 1300r/min and 1800/min as regular items and can customize speed as well . Many well-
known supermarket chains have already made use of this environmentally and economically beneficial option for direct
1. HIGH SAFETY CLASS
ECM motors adopt thermoplastic for housing and the protection level has achieved class
II, therefore the earth conductor will be unnecessary and the cost will be reduced.
2. HIGH PROTECTION CLASS IP 65
Enclosed motor design will have a better moisture-proof effect and make it possible to
work in the high humidity and dust environment
3. HIGH RELIABILITY
The dual-chamber design(Patented) leads the motor can be effectively separated from
electronic control area in order to avoid dust and humidity enter into the cavity of control board
Regarding components selection. We coorperate with the world' s leading suppliers in
order to offer the best quality.
Our R&D department has done various of tests to simulate the real working conditions of the
fans (such as temperature, vibration,every part, etc.) in order to make the design more reliable.
We work over every part of our ECM motor, carefully choose devices and materials, together
with suitable control board and intelligent protection system, our motors had achieved a
lifetime over 50,000 hours in continuous working conditions.
4. CONSTANT SPEED CONTROL
Constant speed control means the motor maintains a constant speed across a wide
range of voltages and fan blades, it will help the cooling system work properly and avoid the
noise generated by the fluctuation of motor speed
5. REVERSE ON START
ECM motors can run backwards automatically when start-up through pre-set of the
program This important function can help to blow away dust from the heat exchanger of
the condenser in order to make the refrigeration system more efficient. Further more, there
is no extra signal control needed to achieve this function.
Technical Data ：
|Nominal data||Voltage||Frequency||Speed||Output capacity||Perm.amb.temp||Dimensions|