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CSL Part Number: 100787
Product Overview: The Eaton 4A36778H02 is a contactor drive board used in the SL400 soft starter system. It provides PWM control signals to drive the power contactors that regulate motor starting current. The board includes power supply circuitry, timing control (adjustable time delay), and output drive stages. It operates on 120VAC input and is commonly used in industrial motor control applications requiring controlled acceleration. Key components include aluminum electrolytic capacitors in the power supply section that are critical for stable operation.
Category: Control Board
Manufacturer: Eaton
Manufacturer Part Number: 4A36778H02
Limited Repair
The Eaton part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Eaton part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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