One. Basic parameters：

1. nominal voltage：24-120V ；   

2. maximum limited current：20-40A ；   

3. soft boot：≤2S；

4. the braking time：≤3S；

6. operating ambient temperature：-20-60℃；

7. constant-speed control；

8. self-consuming：<30uA；

Two. Defective function

1. over discharge protection

2. over current protection

3. current-limiting protection

4. temperature protection

5. blocing/low speed protection（≤100rpm）

6. phase line short circuit protrction

7. open-phase protection

8. short-circuit protection

Three. Others

1. The product confirms to the requirement of

EC62841-1；

2. The product confirms to the requirement of

IEC60335-1 Annex R；

3 The product confirms to the requirements of

ROHS，REACH，EMC and so on；

4.Waterproofing grade of  the product is IP56.