IEC Tru-Metric™ Motors
GENERAL PURPOSE MOTORS
TEFC - Three-Phase
This line is designed and built
according to European IEC34 and
IEC79 standards.
Standard Features:
- 60 Hz (1.15 service factor) and 50 Hz
(1.0 service factor)
- Class F insulation (Impregnation
Resin and Magnet wire are class H)
- F2 mounted as standard (F1
convertible)
- Stainless Steel Nameplate -
Laser etched with high contrast
background
- Regreasable ball bearings (Frames
160 and up)
- Gasketed conduit box
- Class I, Div. 2, Groups A, B, C & D
– T3, Class II, Div 2, Groups F & G –
T3C (Cast Iron Frames only)
- Suitable for WYE/Delta Start (W and
Y voltage code motors)
ADDITIONAL TECHNICAL DATA
ELECTRICAL DATA:
B-34 to B-48
MECHANICAL DATA:
C-20 to C-26
Features that make a difference:
- 1.25 service factor for 60 Hz operation (IE3)
- 1.15 service factor for 60 Hz operation (IE2)
- Optimized ventilation system for cooler
operation and reduced noise levels
- Solid base for reduced vibration levels
(Cast Iron Frames)
- Frames 225 and up can easily be F1 (B3L)
converted by simply rotating the terminal
box adapter or F3 by removing it
- Aluminum frames have removable feet
for easy F1, F2 and F3 (B3L, B3R, B3T)
conversion
- Terminal blocks
Inverter Rated (IE3):
1000:1 for variable torque
12:1 for constant torque
* IE2 is 10:1 VT and 4:1 CT