IEC Low Voltage Motors

YVFE4 series IEC low voltage motors are variable-frequency and speed-regulating three-phase asynchronous motors derived from YE4 series motor, which meets GB/T 755 "Rotating Electrical Machines- Ratings and Performance". The cooling method is lc416, and the efficiency meets with IE4 in GB/T 32891.2-2019 "Rotary Motor Efficiency Classification (IE Code) Part 2: Variable Speed AC Motor. This series of motors can completely replace YJTG,YVF2, YVFE2, YVFE3 series low-voltage variable frequency speed-regulating three-phase asynchronous motors.

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Description

Technical Parameters

Brief Introduction

The operating environment of the motor should be kept dry, clean and well ventilated. The air vent and air duct of motor shall not be blocked by dust and fiber. The blocking of the air path will reduce the cooling air flow and cause the motor to overheat. The relevant friction surfaces of the brake shall not be contaminated with oil and debris to ensure reliable braking.

It should identify the source of failure if continuous action from the motor thermal protection device and short-circuit device: is due to the protection of the motor or overload? It can be put into operation after troubleshooting.

Main Technical Parameters

Product Name:	YVFE4 355M-2/4/6/8/10 VF 3-Phase Asynchronous Motor
Warranty:	1 Year
Power Scope:	90KW~250KW
Voltage:	380V/660V
Constant Power Range:	50~70HZ/50~100Hz
Number of Poles:	2P, 4P, 6P, 8P, 10P
Speed:	3000rpm, 1500rpm, 1000rpm, 750rpm, 600rpm
Cooling Method	IC416
Protection Grade	IP55
Insulation Class	F(155℃)/H(180℃)
Duty:	S1
Mounting Type	B3
Standard:	IEC
Efficiency Grade:	IE4
Rated Frequency:	50/60HZ
Connection:	Delta/Y
Vibration:	≤2.3mm/s
Ambient Temperature:	-15℃ ～ +40℃