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Chapter 2 Installation and Wiring|
2-8 Revision July 2008, EG03, SW V1.06
2.3 Main Circuit Connection
+1
+2/B1
-
Jumper
DC Reactor
(Optional)
B2
BR
Brake Resistor
(Optional)
For 460V series, 20hp and below
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
IM
3~
Motor
MC
VFD-G
NFB
NFB
R/L1
S/L2
T/L3
R/L1
S/L2
T/L3
+1 +2
-
U/T1
V/T2
W/T3
IM
3~
Motor
MC
VFD-G
Jumper
DC Reactor
(Optional)
Brake
Resistor
(Optional)
PN
B1
B2
VFDB
Brak
e
Unit (Optional)
NFB
NFB
R/L1
S/L2
T/L3
For 460V series, 25hp and above
Terminal Symbol Explanation of Terminal Function
R/L1, S/L2, T/L3 AC line input terminals
U/T1, V/T2, W/T3 AC drive output terminals motor connections
+1, +2 Connections for DC Link Reactor (optional)
+2/B1~B2 Connections for Braking Resistor (optional)
+2~ -, +2/B1~ - Connections for External Braking Unit (VFDB series)
Earth Ground