One. Basic parameters：

1. nominal voltage：24-120V ；   

2. maximum limited current：20-40A ；   

3. soft boot：≤2S；

4. the braking time：≤0.12S；

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

6.constant-speed control；

7. self-consuming：<30uA；

Two. Defensive function

1.over discharge protection

2.over-voltage protection

3.current-limiting protection

4.temperature protection

5blocking/low speed protection（≤100rpm）

6.phase line short circuit protection

7.open-phase 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；

3The product confirms to the requirement of 

ROHS，REACH，EMC and so on；

4.Waterproofing grade of  the product is IP56.