AC300 Series Vector Control Inverter Manual
Installation and Wiring
22
Table 3-3: Main circuit terminal arrangement and definition of AC300 series inverter
Terminal
Name
Definition
(-)
DC power terminal
DC power output, (-) means DC bus cathode, (+) means
DC bus anode, used for external braking unit.
(+)
(+)
Braking resistance terminal
Used for external braking resistance to realize quick stop.
PB
P1
DC reactor terminal
Used for external DC reactor.
(+)
R
Inverter input terminal
Used to connect 3-phase AC power supply.
S
T
U
Inverter output terminal
Used to connect the motor.
V
W
Earth
Earth terminal, earth resistance<10 OHM
E
●
3-phase 380V machine main circuit wiring
Table 3-4: Suggested cable diameter and fixed moment 3-phase 380V machine main circuit
Model
Main circuit terminals
screw specifications
Suggested fixed
moment (N·m)
Suggested Copper-core
cable specification mm
2
(AWG)
AC300-T3-R75G M4
1.2
~
1.5 1.5mm
2
(14)
AC300-T3-1R5G M4
1.2
~
1.5 2.5mm
2
(12)
AC300-T3-2R2G M4
1.2
~
1.5 2.5mm
2
(12)
AC300-T3-004G M4
1.2
~
1.5 4mm
2
(10)
AC300-T3-5R5G M4
1.2
~
1.5 6mm
2
(9)
AC300-T3-7R5G M5
2
~
2.5 6mm
2
(9)
AC300-T3-011G M5
2
~
2.5 10mm
2
(7)
AC300-T3-015G M6
4
~
6 10mm
2
(7)
AC300-T3-018G M6
4
~
6 16mm
2
(5)
AC300-T3-022G M6
4
~
6 16mm
2
(5)
AC300-T3-030G M8
8
~
10 25mm
2
(3)
AC300-T3-037G M8
8
~
10 25mm
2
(3)
AC300-T3-045G M8
8
~
10 35mm
2
(2)
AC300-T3-055G M10
11
~
13 35mm
2
(2)
AC300 Series Vector Control Inverter Manual
Installation and Wiring
23
AC300-T3-075G
M10 11
~
13 50mm
2
(1)
AC300-T3-090G
M10 11
~
13 50mm
2
(1/0)
AC300-T3-110G M10
11
~
13 70mm
2
(2/0)
AC300-T3-132G
M10 11
~
13 95mm
2
(3/0)
AC300-T3-160G
M12 14
~
16 95mm
2
(4/0)
AC300-T3-185G
M12 14
~
16 120mm
2
AC300-T3-200G
M12 14
~
16 150mm
2
AC300-T3-220G
M12 14
~
16 150mm
2
AC300-T3-250G
M12 14
~
16 185mm
2
AC300-T3-280G
M12 14
~
16 185mm
2
AC300-T3-315G
M16 20
~
23 240mm
2
AC300-T3-355G
M16 20
~
23 240mm
2
AC300-T3-400G
M16 20
~
23 300mm
2
AC300-T3-450G
M16 20
~
23 400mm
2
AC300-T3-500G
M16 20
~
23 400mm
2
AC300-T3-560G
M16 20
~
23 500mm
2
Note:
Here we suggest using copper joins as mains electric connectors of machine over 185KW. Please
refer the cut section area above.
●
Single-phase 220V machine main circuit wiring
Table 3-5: Suggested cable diameter and fixed moment single-phase 220V machine main circuit
Model
Main circuit terminals
screw specifications
Suggested fixed
moment (N·m)
Suggested Copper-core cable
specification mm
2
(AWG)
AC300-S2-R40G M4
1.2
~
1.5 1.5mm
2
(14)
AC300-S2-R75G M4
1.2
~
1.5 2.5mm
2
(12)
AC300-S2-1R5G M4
1.2
~
1.5 2.5mm
2
(12)
AC300-S2-2R2G M4
1.2
~
1.5 4mm
2
(10)
●
Suggested main circuit components specification
Table 3-6: Suggested mains fittings for 3-phase 380V machine
Model
Contactor
specification
Breaker
specification
DC reactor
Input filter
Output filter
AC300-T3-R75G 10A 10A ------ NFI-005
NFO-010
AC300-T3-1R5G 10A 10A ------ NFI-005
NFO-010
AC300-T3-2R2G 16A 15A ------ NFI-010
NFO-010
AC300-T3-004G 16A 20A ------ NFI-010
NFO-010