Three Phase Synchronous Motors

MAIN MATERIAL --Outside shell: Aluminum alloy --Shaft: 40Cr steel heat refined --Electromagnetic wire: Poly¡ªQZ-2;Polymide QY-2 --Si steel plate: DR490-510 --Bearing: C&U; NSK; NTN; SKF

CONSOLIDATED STANDARD --All general-purpose motors perform the following manufacture standard. --Motor power grade and dimension: GB4826-84; GB4772.2-84;IEC72 --Electric criterion: GB755-87; IEC34-1 --Structure and mounting position: GB997-81; IEC34-7 --Outside shell production grade: GB4942.1-85; IEC34-5 --Cooling mode: GB/T1993-93; IEC34-6

HOUSING PROTECTION LEVEL --The housing protection level of electric motor indicates 2 protection abilities as following: 1.Prvent body form touching the electriferous inner parts of electric motor and prevent solid eyewinker from entering into the inner of electric motor.

2.Prevent water from entering into the interior of the electric motor. --The die casting of the terminal box and the housing is a integrative die casting.

A nd there are seal equipments at the spattered water from any direction. --IP55: Dustproof and avoid body touching and eyewinker entering into the interior of electric motors, as well as to prevent the spattered water from any direction.