Repair
Repair Price: $ 336.00
Purchase
CSL Part Number: 32505
Product Overview: The Minarik MM311U is a DC motor speed control designed for fractional horsepower motors from 1/20 to 1/4 HP. It operates on dual voltage 115/230 VAC input and provides up to 1.5 amps maximum output. This control offers both armature and tachometer feedback modes for precise speed regulation. Commonly used in paper handling equipment, packaging machinery, and other industrial applications requiring variable speed control of small DC motors.
Category: DC Motor Controls
Manufacturer: Minarik
Manufacturer Part Number: MM311U
Common Failures
Frequent issues reported include non-functional units and unknown problems requiring diagnostic testing. Key components identified with issues include capacitors and relays, which can affect control performance or field current production.
Repair Approach
Repairs typically involve replacing defective capacitors and other components as identified during evaluation. Diagnostic testing is conducted to confirm the functionality of speed control and field current consistency.
Testing & Quality
Post-repair, units undergo testing, including burn-in tests with a load, to confirm functionality. Tests verify that the units can control motor speed reliably in different modes.
Service and repair your broken Minarik part
We can repair your Minarik model MM311U in our facility. Let our skilled technicians get your Minarik back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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