E6582062
2. Installation and wiring 2-40
2
9
2. 3. 3 Power terminals
The power terminals are connected to the power supply (primary side) and the motor (secondary side).
■ Functions of power terminals
Terminal
symbol
Function
Applicable
frame size
Grounding terminal for inverter case. There are 3 terminals in cooling fin
or mounting part of EMC plate.
All frame sizes
[PE] Grounding terminal.
Frame size A4, A5,
and A6
[R/L1]
[S/L2]
[T/L3]
Connected to an AC power supply.
240 V class: Three-phase 200 - 240 V-50/60 Hz
480 V class: VFAS3-4004PC to 4132KPC：
Three-phase 380 - 480 V-50/60 Hz
VFAS3-4160KPC to 4280KPC：
Three-phase 380 - 440 V- 50 Hz
Three-phase 380 - 480 V- 60 Hz
All frame sizes
[U/T1]
[V/T2]
[W/T3]
Connected to a three-phase motor. All frame sizes
[PA/+]
[PB]
Connected to a braking resistor.
Change the parameters <F304: Dynamic braking, OLr trip>, <F308:
Braking resistance>, and <F309: Braking resistor capacity> if necessary.
Frame size A1, A2,
A3, A4, A5, and A7
[BU+]
[BU-]
Inside the inverter. Connected to a braking unit (optional). Braking resistor
(optional) is connected to a braking unit terminals [PA] and [PB].
Frame size A8
[PA/+]
[PC/-]
A DC power can be input.
For models of VFAS3-2110P to 2550P and VFAS3-4220PC to 4280KPC,
a rush current suppression circuit (optional) is required.
Connected to a braking unit (Optional) for frame size A6.
Supply AC power supply to cooling fans if you use VFAS3-4160KPC -
4280KPC with DC input.
All frame sizes
[PA/+]
[P0]
Be sure to connect the attached DC reactor.
Frame sizes A7
and A8
[R0]
[S0]
[T0]
Supply AC power supply for cooling fans if you use VFAS3-4160KPC -
4280KPC with DC input.
Frame sizes A7
and A8
Memo
• The arrangement of the terminals varies depending on the type. See the figures on the next
page and after.
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