1. marine motor should meet the following standards IEC IEC34, IEC72.

　　Australian standard AS1359-2.

　　British standard BS4999-5000.

　　German standard DIN42673.

　　Comply with the European Community "CE" marking requirements.

　　The motor conforms to GB755 (IDT IEC 60034-1), GB10069 (NEQ IEC 60034-9), Q/JBQS28.

　　2. marine motor with superior performance should have:

　　1, noise, low vibration:

　　2, high performance protection level, motor standard design protection level is IP55.

　　3. applicable wide voltage: