Selection Of Peripheral Devices - Mitsubishi Electric MELIPM Series Instruction Manual

2.2.2 Selection of peripheral devices

(1) Wire size
AC power input terminals R, S, T, motor connection terminals U, V, W, DC
reactor connection terminals P/+, P1, DC terminals P/+, N/-, ground terminals
Terminal
Capacity (K)
Screw Size
0.4
M3.5
0.75
1.5
2.2 M4
3.7
Control circuit terminals (all terminals)
Capacity Terminal Screw Size Wire Size, Unit: mm
All capacities
Refer to the corresponding instruction manual for wires connection
MEMO
of a stand-alone option connected to the DC terminals P/+, N/-.
Choose the size of the wires connected to the motor connection
terminals so that a voltage drop due to the wires is less than 4V.
The minimum wire size in the above selection table assumes that
the wiring length is less than 20m.
NOTICE
A voltage drop can be found by the following expression:
Line voltage drop (mV) =
Use the ground cable which is as thick as possible.
(2) Crimping terminals
Wire Size, Unit: mm
2
3.5/5.5
Wire Sizes, Unit: mm
R, S, T U, V, W
2 2
2 to 5.5 2 to 5.5
M2.5
3 × wire resistance (Ω/km)
× wiring length (m) × current (A)
2
Terminal Screw Size
M3.5
M4
M4
2-4
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2
P/+, P1, N/- Connection
2
2 to 5.5
2
Twisted shielded wire,
polyethylene insulated vinyl
0.3 to 0.75
wire for instrumentation or
equivalent
Crimping Terminal Size
2. INSTALLATION
Wire Type
Power
2
cable 600V
vinyl wire
or
2 to 5.5
equivalent
Wire Type
2-3.5
2-4
5.5-4