Explanation Of Terminals; Main Circuit Terminals; Connecting Peripheral Devices - Toshiba TOSVERT VF-A7 Instruction Manual

The new generation high-performance inverter 200v class 0.4- 90kw 400v class 0.75-280kw
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2.3 Explanation of terminals

2.3.1 Main circuit terminals

Figure below shows an example of the wiring of the main circuit.
Connecting a power source and a motor
Power source
No-fuse
breaker

Connecting peripheral devices

Magnetic
Non-fuse
contactor
breaker
Power
source
Simplified radio noise filter
Main circuit
Terminal symbol
G/E
R/L1 S/L2 T/L3
U/T1 V/T2 W/T3
R0
S0
(R46, R41)
PA, PB
Connect the power
source to the terminals
R, S and T.
R/L1 S/L2 T/L3
Radio noise
Input
reduction filter
reactor
(high-attenuation)
PA
DC reactor
Grounding terminal for the inverter's enclosure.
200V class:
0.4
7.5 and 75, 90kW: 3-phase 200
400V class:
0.75
22, 110
Used to connect a motor (3-phase inductive motor)
Used to connect a power source for the control circuit (Optional for the 22kW and
smaller models, though these terminals are provided for them)
200V class:
0.4
7.5 and 75, 90kW: Single-phase 200
11
400V class:
0.75
22, 110
Between R46-S0: Single-phase 415
Between R41-S0: Single-phase 380
*Maximum allowable output of control power source:
200V class: 0.4
30kW
400V class: 0.75
110 and 132kW
Used to connect a dynamic braking resistor (For the optional dynamic braking unit,
connect it between PA and PC.)the settings of the parameters ,  and/or
, as required, when connecting an external resistor.
VF-A7
Connect the motor
cables to the terminals
U, V and W.
U/T1 V/T2 W/T3
/L1
Inverter
/L2
/L3
P0
PA
Dynamic braking resistor(See Note.)
Function
11
55kW: 3-phase 200
280kW: 3-phase 380
30
75kW: 3-phase 380
55kW: Single-phase 200
280kW: 3-phase 380
30
75kW: 3-phase 380
50VA, 37
90kW
30kW
50VA, 37
75kW
200VA, 160
B-6
Use optional devices, as required.
G/E
Motor
Surge suppressing filter
/T3
/T2
/T1
Zero-phase
PB
reactor
Note) Connect a dynamic
braking unit between
the terminals PA and
PC, if necessary.
230V-50/60Hz
220V-50Hz,200
230V-60Hz
460V-50/60Hz
440V-50Hz,380
460V-60Hz
230V-50/60Hz
220V-50Hz,200
230V-60Hz
460V-50/60Hz
440V-50Hz,380
460V-60Hz
440V-50Hz, 415
460V-60Hz
415V-50Hz, 380
415V-60Hz
60VA
150VA,
280kW
350VA
E
Motor
IM

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