Key AC Motor Questions:
1.)Horsepower?
2.)Speed? (900, 1200, 1800, 3600 RPM Standard)
3.)Voltage?
(1 ph, 115/230 vac - "C" precedes Model No.)
(3 ph 230/460/575 vac "P" precedes Model No.)
( DC "T" precedes Model No.)
4.)Control: Across the line? Soft-start? AC Drive?
5.)Constant Torque Range?
6.)Enclosure?
PROT: Protected
ODP: Open Drip Proof
TENV: Totally Enclosed Non-Ventilated
TEFC: Totally Enclosed Fan Cooled
TEAO: Totally Enclosed Air Over
XT: Extra Tough
XP: Explosion Proof
7.)Mounting?
Foot Mounted
C-Face (Footed or Footless)
D Flange (Footed or Footless)
8.) Frame?
(48 to 449) (182 & up are cast iron)
"T" after frame# = NEMA STD. Shaft
"TS" after frame# = NEMA STD. short shaft
"U" after frame# = Automotive Frame
"C" after frame# = C-Face
"Y" after frame# = Special Mounting Dimension
"Z" after frame# = Special Shaft Dimension
9.) Efficiency?
Standard Efficient
Energy Efficient
Premium Energy Efficient
10.)Service Factor?
11.)Insulation?
12.)NEMA Design?