Grundfos NB - Page 9

2.3.2.3 Codes for phase and voltage or other information
Pos. 16 in NB type key example.
Code Description
A
E-motor (ECM
4)
), 1 x 200-240 V
B
E-motor (ECM
4)
), 3 x 200-240 V
C
E-motor (ECM
4)
), 3 x 440-480 V
D
E-motor (ECM
4)
), 3 x 380-500 V
W Not for sale in North America
X
No motor or US DOE regulated motor (CC
marked motor)
Y Out of DOE scope
Z E-motor, asynchronous motor
4)
ECM: Electronically Commutated Motor.
2.3.2.4 Codes for speed variant
Pos. 17 in NB type key example.
Code Description
A
1450-2200 RPM, E-motor (ECM
5)
)
B
2900-4000 RPM, E-motor (ECM
5)
)
C
4000-5900 RPM, E-motor (ECM
5)
)
1 2-pole, 50 Hz (Asynchronous motor)
2 2-pole, 60 Hz (Asynchronous motor)
3 4-pole, 50 Hz (Asynchronous motor)
4 4-pole, 60 Hz (Asynchronous motor)
5 6-pole, 50 Hz (Asynchronous motor)
6 6-pole, 60 Hz (Asynchronous motor)
7 8-pole, 50 Hz (Asynchronous motor)
8 8-pole, 60 Hz (Asynchronous motor)
5)
ECM: Electronically Commutated Motor.
9
English (US)