以下是电磁调速电机控制装置 JD1 II A-11 的产品中英文介绍：

JD1 II A-11 型电磁调速电机控制装置是一种用于电磁调速电动机（滑差电机）调速控制的设备，能够实现恒转矩无级调速。它基于原机械工业部全国联合设计产品进行改进，性能更加稳定，稳速精度更高。该装置适用于多种工业场景，如食品加工、冶金、造纸、轻工等领域，尤其在风机和泵类负载下，具有显著的节能效果。

其工作环境要求为海拔不超过1000米，周围环境温度在-5℃至40℃之间，相对湿度不超过90%（20℃以下时），振动频率范围为10Hz至150Hz，最大振动加速度不超过0.5g。电源电压为220V±10%，频率50/60Hz。在调速性能方面，其调速范围为1420~100转/分，转速变化率不超过2.5%，稳速精度可达1%。

The JD1 II A-11 electromagnetic speed control motor control device is a device for speed control of electromagnetic speed control motors (slip differential motors), which can achieve constant torque stepless speed regulation. It is based on the original national joint design product of the Ministry of Mechanical Industry and has been improved for more stable performance and higher speed stability accuracy. The device is suitable for a variety of industrial scenarios, such as food processing, metallurgy, papermaking, and light industry, and has significant energy-saving effects when used with fan and pump loads.

The working environment requirements are an altitude not exceeding 1000 meters, a surrounding ambient temperature between -5℃ and 40℃, a relative humidity not exceeding 90% (below 20℃), a vibration frequency range of 10Hz to 150Hz, and a maximum vibration acceleration not exceeding 0.5g. The power supply voltage is 220V±10%, with a frequency of 50/60Hz. In terms of speed regulation performance, the speed regulation range is 1420~100 revolutions per minute, the speed variation rate does not exceed 2.5%, and the speed stability accuracy can reach 1%.