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Wiring Chapter 2-2
Grounding the Shield In order to ground the shield securely, it is recommended that a cable clamp
be directly connected to the ground plate as shown below.
LVD Conformance
• Always connect the Inverter and power supply via a molded case circuit
breaker (MCCB) suitable to the Inverter for protecting the Inverter from
damage that may result from short-circuiting.
• Use one MCCB per Inverter.
• Select a suitable MCCB from the following table.
• With 400-V Inverters, it is necessary to ground to the power supply’s
neutral phase.
300V Models
Ground plate
Cable clamp
Cable
Shield
Inverter MCCB (Mitsubishi Electric)
Model CIMR-J7AZ- Type Rated current (A)
20P1 NF30 5
20P2 5
20P4 5
20P7 10
21P5 20
22P2 20
24P0 30
B0P1 NF30 5
B0P2 5
B0P4 10
B0P7 20
B1P5 20
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