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3.4 Grounding
• Properly ground the drive according to local electrical code.
• Connect the ground lug to the branch circuit or service ground conductor.
Table 3 – Ground Wire Specifications
3.5 Wire Sizing
Wire size must comply with all NEC and local electrical code requirements. The voltage
drop from the supply to the drive should be limited to 3% to ensure proper starting and
operation of motor loads. Increase the wire gauge to provide adequate voltage to the load.
Ensure the wire gauge is suitable for the terminal block, see Table 4.
Use the following formula to calculate line voltage drop.
See Table 2 for guidelines on fuse and breaker sizes. Installations must comply with all
NEC and local electrical code requirements.
3.6 Connecting the Load
Overload, ground fault, and short circuit protection functions are built into the drive to
protect the load side conductors and motor, as well as the drive itself, from faults.
Table 4 – Input and Output Power Terminal Specifications
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