NEMA Three-phase motor

NEMA standard high efficiency motors are totally enclosed fan-cooled machine(IP54),This series motors are designed and manufactured in accordance with NEMA standard of U.S.A and C390-93 standard of Canada. These motors are of a novel style and of excellentworkmanship. The motors are characterized as reliability safety , minimal temperature rise,high efficiency, low noise, low vibration, high starting torque, etc.

The motors adopt design B and class F insulation, Their service factor is 1.15. They are rated 208-230/460V or 575V and 60Hz, Exposure to an ambient temperature in the range of-15 to 40 , and to an altitude which dose not exceed 3300 feet. They are ideal for application with no special equipment, They can be used to drive various kinds of mechanical equipment. This series motors can be specially manufactured on request,such as T, TC, TD or H insulation class, different voltage, different frequency, etc.

FRAME DESIGNATION AND OUTPUT
The correlation between , frame designation speed and output should conform Table below:

TERMINAL BOX
The terminal box is generally located in the middle of the frame. There are 3,6,9, and 12 outleads. The follow
diagrams indicate the ways of connection. The length of lead is 6 inches measured from frame surface.
Terminal marking and connections should accord with MG 1-2.62 .
There is grounding screw with grounding marking in the terminal box.Terminal marking for and connected
Dual-voltage and Single-voltage motors.

MOUNTING TYPE
T type-The common mounted motor with feet.
TC type-The motor with or without feet.
The mounting method of C type motor with feet should conform to MG1-403.
Assembly symbols shall be as follows:

NEMA STANDARD HIGH EFFICIENCY MOTOR TECHNICAL DATA