Reliance 57C330C

This product does not offer speed-sensitive overload protection, thermal memory 

retention or provisions to act upon motor over-temperature sensing in motors. If 

such protection is needed in the end-use product, it needs to be provided by 

additional means.

Description:

ATTENTION:The user is responsible for conforming with all applicable 

local, national, and international codes. Failure to observe this precaution 

could result in damage to, or destruction of, the equipment.

Use the following steps to ground the drive:

Step 1. Remove the drive’s cover. On 200-400 HP drives, open the outer cabinet 

door.

Step 2. Run a suitable equipment grounding conductor unbroken from the drive’s 

ground terminal to the motor’s ground terminal and then to earth ground. See 

figures 4.1 to 4.7, 5.1, and 5.2.

Step 3. Connect a suitable grounding conductor to the motor frame, the remote 

control station (if used), and the transformer. Run each conductor unbroken

to earth ground.

When adding more than one grounding conductor wire to a single chassis 

ground, twist the conductors together.

Step 4. Reattach the drive’s cover. On 200-400 HP drives, close the outer cabinet 

door.

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