Products
YEJA series AC electromagnetic brake three phase asynchronous motor
Product Brief
YEJA series AC electromagnetic brake three-phase asynchronous motor is composed of two parts: standard Y2 series three-phase asynchronous motor and AZML series three-phase AC electromagnetic brake. The spindle of the back end of the motor is connected with the friction disc of the brake by spline. The electromagnet is fixed on the back end cover of the motor, which belongs to the power-off braking type.This series of products have obtained ISO 9001 system certification and CCC product certification certification.
Scope of use
YEJA three-phase AC brake motor is suitable for environments without flammable, explosive and corrosive gases. It is especially suitable for all kinds of machines requiring fast braking, accurate positioning and skidding prevention, such as lifts, transport machinery, printing machinery, packaging machinery, textile machinery, ceramic machinery, plating production line and transmission machinery matched with reducers.
Working principle
When electrified, the electromagnet produces a strong electromagnetic force to suck the armature plate to compress the brake spring, so that the armature plate can be separated from the pressure on the brake disc, and the motor can rotate flexibly. When power loss occurs, the armature plate is pressurized by the brake spring pressure to tighten the brake disc and generate a strong friction braking moment, so that the rotating motor brakes rapidly and achieves accurate positioning.
Product characteristics
1. The protection level of this series of products reaches IP55.
2. The cooling mode of motor is IC411 (self-fan cooling).
3. The AC brake has been carefully designed. In addition to the charged part sealed in the epoxy resin shell, the brake is installed in a fully sealed structural component when it is assembled with the motor, which can effectively prevent cotton yarn, paper scraps, dust, grease, iron scraps, powder and other impurities from entering the brake, thus prolonging its service life.
4. AC brake has the advantages of fast starting response, short braking time, safe and reliable braking moment adjustable, etc.
5. With flexible manual release device, self-locking or temporary wrench can be freely chosen;
6. AC brake and motor use the same power supply voltage, without AC-DC conversion rectifier, avoid AC-DC conversion, easy to use;
7. Motor insulation grade is B and F, brake insulation grade is F.
8. Use two-position junction boxes, i.e. separate junction boards for motors and brakes respectively.
9. Installation size and power level of the motor fully conform to JB/T6456 industry standard and IEC-72 international standard.
10, 63-71 are aluminium-shell motors, 80-160 are aluminium-shell or cast-iron-shell motors, and 180 are cast-iron-shell motors.
Conditions of use
1. Elevation not exceeding 1000m;
2. When the monthly mean minimum temperature is not higher than 25 C, the wettest monthly average maximum relative humidity is 95%.
3. The highest ambient temperature does not exceed 40 C and the lowest is -15 C.
4. Working mode S1 (continuous working system);
5. The rated voltage is 380V 50Hz. Different voltage and frequency can be designed and manufactured separately.
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