JD1A-90 series electromagnetic speed control motor control deviceDetailed product description：

Product Details
JD1A-90 series electromagnetic speed control motor control device

Power supply voltage:~220V ± 10% frequency 50-60Hz
Maximum output rating: DC 90V20A
Controllable motor power: 45-90KW
Speed generator: three-phase intermediate frequency voltage speed ratio ≥ 2V/100r/min
Speed change rate: ≤ 2.5%
Steady speed accuracy: ≤ 1%
Speed range: 1420 to 100 revolutions per minute
Note: When it is greater than 8A and less than 12A, its working time shall not exceed 30 minutes

JD1A-90 series electromagnetic speed control motor control device usage conditions

Altitude not exceeding 1000 meters
Surrounding environment: -5 ℃ to 40 ℃
Relative temperature not exceeding 90% (below 20 ℃)
The maximum vibration acceleration of a person during the vibration frequency range of 10Hz to 150Hz shall not exceed 0.5g
When the voltage amplitude fluctuation of the power grid is ≤ 10% of the rated value, ensure the rated use
The surrounding medium is free of conductive dust and gases that can corrode metals and damage insulation