YR2 series (IP54) motor the closed slip-ring three-phase asynchronous motor is the latest design of the replacement products. The power level and mounting dimensions in accordance with IEC72 international standard.
This series motors can be provided by changing the rotor external resistor, in order to obtain a good starting performance (in a smaller starting current, to provide a greater starting torque), and small range governor requirements. It is widely used in bigger than a squirrel-cage rotor motor starting torque; grid capacity is insufficient to start a squirrel-cage rotor motor, starter frequent and longer start-up time and linked into the electrical axis synchronous transmission and other occasions. Such as: metal cutting machine, crusher, ball mill, rubber and plastic machine, compressor. Sugar mills. Rolling mill. Wire drawing machine, winches, conveyor belts, heavy load starting machinery and equipment. This series motors have efficiency high overload capacity, low noise, small vibration, reliable structure, beautiful appearance, especially suitable for stand-alone or supporting export can be imported equipment swap. It has become the company's main export products.
1 Rated voltage 380V, rated frequency 50HZ. 400V, 415V, 420V 440V 660V 1140V and 60HZ, etc. can also be made according to user needs
2 Stator △ connection(And 3kW for Y connection) rotor Y connection
3 Motor using (F) grade insulation (Winding temperature rise class B); cooling method is IC411; continuous duty (S1).
4 Motor housing protection class IP54. H355-450 collector ring protection class of the stator and rotor are of IP23.H160-450 with a separate top outlet wiring more secure, reliable, convenient and if the users needs the other and outlet when ordering.
For example: YR 2(IP54) 355M 2-8
YR: slip-ring three-phase asynchronous motor
2: second replacement design
(IP54): International protection class code
355: Center Height (mm)
M: the length of the base code
2: core length code
8: Pole number
Rated voltage: 380V Rated frequency: 50Hz
Power range: 3～800 KW Protection class: IP54
Insulation class: Class B or Class F Cooling method: IC411
Working mode: S1 Pole number: 4,6,8,10,12