Automationdirect.com Stellar SR44, User Manual

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2–5
2.3.2 – Wiring Diagram for In-Delta Connection of Motors
For “In-Delta” connections, set the SR44 Parameter #6 (“Firing Mode”) to “1” (“Delta”).
Figure 2.3.2: Wiring Diagram for In-Delta Connection of 6-Lead Motors
Mains Supply (Ve)
Feeder cables
Electrical
Ground
In-delta connections for
correct rotation of motor
Term Fwd Rev
T1
T2
T3
L1
L2
L3
W1(3)
V1(2)
U1(1)
V2(5)
U2(4)
W2(6)
V1(2)
W1(3)
U1(1)
W2(6)
U2(4)
V2(5)
Circuit
Contactor
C1
Isolation and Protection
Switch-gear
(provided by the customer)
1
L1
2
T1
4
T2
6
T3
3
L2
5
L3
SR44
X1
X2
Control
Circuit
V2 (5)
V1 (2)
U1 (1)
U2 (4)
W1 (3)
W2 (6)
forward
wiring
connections
shown
An in-line isolation contactor controlled by the soft starter MUST be used with the In-Delta Firing
Mode and motor connections. (C1 as shown in Figure 2.3.2)
Chapter 2: Electrical Installation
SR44 Series Soft Starter User Manual
1st Ed, Rev B 07/31/2019