Type Key; Mechanical Installation; Handling; Mounting - Grundfos MGE 71 Installation And Operating Instructions Manual

4.2 Type key

Code Example
Type of motor unit
[ ] Complete motor with terminal box
B Basic motor unit without terminal box
K Kit for basic motor unit without terminal box
MG Motor Grundfos
E Electronic control
71
80 Frame size according to IEC (centre line height of motor shaft in mm, foot-mounted motor)
90
Size of foot
[ ] Not defined for frame sizes 71 and 80
S Small
M Medium
L Large
Length of
stator core
1450-2000 min
A 30 mm
B 45 mm
C 60 mm
D 85 mm
Maximum speed
-1
1 5900 min
-1
2 4000 min
-1
3 3600 min
-1
4 2000 min
Shaft end diameter [mm]
Flange version
[ ] Foot-mounted (B3)
FT Tapped-hole flange
FF Free-hole flange
Pitch circle diameter [mm], flange version
[ ] B3
Model designation
H Single-phase
I Three-phase
Version designation
A First version

5. Mechanical installation

Warning
Installation and operation must comply with local
regulations and accepted codes of good practice.

5.1 Handling

Warning
Observe local regulations setting limits for
manual lifting or handling.
Warning
Before lifting the motor, pay attention to the
motor weight stated on the nameplate.

Caution

Do not lift the motor by the terminal box.
When lifting the motor, always use the eyebolts, if fitted.
Alternatively, lift the motor with both hands.
6
Rated motor power, P2 [kW]
-1 -1
2900-4000 min
0.37 0.75
0.55 1.1
0.75 1.5
2.2
1.1
MG E
-1
4000-5900 min
1.1
1.5
2.2
-

5.2 Mounting

The motor must be secured to a solid foundation by bolts through
the holes in the flange or the base plate.
In order to maintain the UL mark, additional
Note
installation procedures must be followed.
See page 35.

5.3 Cable entries

The motor has four M20 screwed cable entries fitted with blind
plugs from factory. Various cable glands can be ordered from
Grundfos as accessory kits.
71 M A 2- 14 FT 85 -H A