Repair
Repair Price: $ 1,516.00
Purchase
CSL Part Number: 86454
Product Overview: The Loyola DPAC-3-480-125 is a three-phase SCR power controller designed for precise proportional control of resistive heating loads up to 125 amperes at 480 volts. It accepts a 4-20 mA analog input signal to control output power from 0% to 100%. This controller is commonly used in industrial heating applications including paper processing, plastics extrusion, and other manufacturing processes requiring accurate thermal regulation. The unit features internal cooling fans and phase sequence monitoring.
Category: Power Controls
Manufacturer: Loyola
Alternate Manufacturer Names: Watlow-Loyola
Manufacturer Part Number: DPAC-3-480-125
Other Synonyms: Watlow-Loyola
Common Failures
Typical issues observed during evaluation include non-functional fans, blown fuses, defective SCR components, and various mechanical and electrical faults such as damaged or missing components and solder joint concerns. Units may exhibit internal damage that can result in operational issues such as reduced power output or phase sequencing irregularities.
Repair Approach
Our repair process includes diagnostic testing to identify faulty components, followed by replacement of damaged parts as needed. Common repairs may include fan replacement or connection, SCR component replacement, and solder joint repair. Hardware attachment for fuses and board connection issues are also addressed during the repair process.
Testing & Quality
Following repair work, units are tested with variable loads and input currents to verify output capacity across the 0% to 100% range with a 4-20 mA input. Successfully repaired units are expected to meet original operational specifications.
Service and repair your broken Loyola part
We can repair your Loyola model DPAC-3-480-125 in our facility. Let our skilled technicians get your Loyola 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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