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Power Supply Sequence
Power Supply Sequence
Three-phase power:
380 to 400 V, 50/60 Hz
MCCB
Overload relay trip contact
of Braking Resistor Unit
Fault contacts
Power Supply Sequence
3.4 Wiring Control Circuit Terminals
3.4 Wiring Control Circuit Terminals
A control signal line must not be longer than 50 m and must be separated from power lines.
The frequency reference must be input to the Inverter through twisted-pair wires.
3.4.1 Wire Sizes and Closed-loop Connectors
3.4.1 Wire Sizes and Closed-loop Connectors
Terminal numbers and wire sizes are shown in Table 3.7.
Table 3.7 Terminal Numbers and Wire Sizes (Same for all Models)
Terminals
Terminals
Terminal
Screws
Terminal
Screws
Wire Thickness
[mm2]
Wire Thickness
[mm2]
Wire Type
Wire Type
Stranded wire: 0.5 to1.25
Single wire: 0.5 to 1.25
Shielded, twisted-pair wire
Shielded, polyethylene-cove
red, vinyl sheathcable
The closed-loop connectors and tightening torques for various wire sizes are shown in Table 3.8.
Table 3.8
Closed-loop Connectors for Ground Terminal
Wire Thickness
[mm2]
Wire Thickness
[mm2]
Terminal
Screws
Terminal
Screws
Crimp Size
Crimp Size
Tightening Torque (N G m)
Tightening Torque (N G m)
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YD3000N
YD3000N
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Содержание YD3000N Series
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