One. Basic parameters：

1. nominal voltage：12-24V ；   

2. maximum current：20-40A ；   

3. soft boot：≤2S；

4. the braking time：≤0.12S；

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. blocking/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

IEC62841-1；

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.