Motors f
o
r
TPE pump
s
TPE E-circulators
11
21
11. Motors for TPE pumps
Motor
The motor fitted on TPE pumps is a totally enclosed,
fan-cooled standard motor with main dimensions and
electrical tolerances to NEMA standards.
Relative humidity:
Max. 95 %
Enclosure class:
TEFC
Insulation class:
F, to IEC 85
Ambient temperature:
Max. +104 °F
Motor range
Motor protection
Single-phase
motors have integrated, interconnected
thermal switches.
Electrical data
2 pole (3600 rpm)
4 pole (1800 rpm)
* The values apply to the combined efficiency of the motor and variable frequency drive.
hp
Electronic speed controlled motors
2-pole/1 ph
4-pole/1 ph
0.34
MLE
MLE
0.50
0.75
1.0
1.5
MLE is Grundfos motor brands.
The grey-shaded areas indicate non-available motors.
Hp
Voltage
Ph
NEMA
frame
Service
factor
Full load
eff [%] *
Ins.
class
Full
load
amps
Power
factor
Min/max
speed
[rpm]
0.5
208-230
1
56C
1.0
71.0
F
2.8 - 2.5
0.96
360-3400
0.75
208-230
1
56C
1.0
74.0
F
3.9 - 3.5
0.97
360-3400
1
208-230
1
56C
1.0
76.0
F
5.2 - 4.7
0.97
360-3400
1.5
208-230
1
56C
1.0
77.0
F
7.5 - 6.8
0.97
360-3400
Hp
Voltage
Ph
NEMA
frame
Service
factor
Full load
eff [%] *
Ins.
class
Full
load
amps
Power
factor
Min/max
speed
[rpm]
0.33
208-230
1
56C
1.0
67.0
F
2 - 1.9
0.94
180-1690
0.5
208-230
1
56C
1.0
70.0
F
2.8 - 2.5
0.96
180-1690
0.75
208-230
1
56C
1.0
72.0
F
4 - 3.70
0.96
180-1690
1
208-230
1
56C
1.0
73.0
F
5.4 - 4.9
0.97
180-1690
E-circulator.book Page 21 Friday, October 7, 2011 4:01 PM