Overview of Primary Product

15 As at: 10/2010 - Subject to change without prior notice
Standard Circulating Pumps
Wiring diagrams
Wilo-TOP-S
Wiring diagramm A - single phase motor
2-pole, 1~115/230 V, 60 Hz
Wiring diagramm B - three phase motor
2-pole, 3~208-230/460/575 V, 60 Hz
Note: The pump must be connected to the electrical supply via
an external contactor to provide thermal overload protection.
Note: The pump must be connected to the electrical supply via
an external contactor to provide thermal overload protection.
L
S1
P1 P2 N
L
S2
K
K
~
K
N
1
S1
L1
L2
L3
S2
K
K
K
~
3
P1 P2
L1 L2 L3