Description Of Terminals - Toshiba TOSVERT VF-MB1 Instruction Manual

Industrial inverter for 3-phase induction motors
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2.3

Description of terminals

2.3.1
Connections with peripheral equipment
2
Power
supply
Note 1: The T/L3 terminal is not provided for any single-phase models. So if you are using single-phase
Power circuit
Terminal symbol
R/L1,S/L2,T/L3
U/T1,V/T2,W/T3
PBe, PB
PA/+
PC/-
The arrangements of power circuit terminals are different from each range.
Refer to section 1.3.3.1) for details.
Power circuit terminals
Magnetic
No-fuse
Input AC
noise
contactor
braker
reactor
reduction filter
models, use the R/L1 and S/L2/N terminals to connect power cables.
Grounding terminal for connecting inverter. There are 3 terminals in total.
Up to 4.0kW
5.5 to 15kW
240V class: Single-phase 200 to 240V-50/60Hz
500V class: Three-phase 380 to 500V-50/60Hz
* Single-phase inputs are R/L1 and S/L2/N terminals.
Connect to three-phase motor.
Connect to braking resistors.
Change parameters , , ,  if necessary.
This is a positive potential terminal in the internal DC main circuit.
DC common power can be input with PC/- terminal.
This is a negative potential terminal in the internal DC main circuit.
DC common power can be input with PA/+ terminal.
U/T1
Inverter
R/L1
S/L2
V/T2
W/T3
T/L3
PBe
PB
Braking resistor
Terminal function
: 2 terminals on upper side, 1 terminal on down side.
: 3 terminals on down side.
B-6
E6581697
Motor
M
Zero-phase
reactor

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