Repair
Repair Price: $ 600.00
Purchase
CSL Part Number: 87685
Product Overview: The Barber Colman MP-481-131-0-2 is a motorized rotary actuator from the MP Series, designed for positioning dampers, valves, and other control devices in HVAC and industrial automation systems. It features a 180-degree stroke capability with adjustable limit switches, a 100-ohm slidewire for position feedback, and auxiliary switch contacts for remote status indication. Operating timing is approximately 118 seconds for a 160-degree stroke at 60 Hz. The unit includes two SPST cam-operated limit switches and one SPDT auxiliary switch for control and monitoring functions.
Category: Actuators
Manufacturer: Barber-Colman
Manufacturer Synonyms: Barber Coleman, Barbercolman, Invensys
Alternate Manufacturer Names: BARBER COLMAN
Manufacturer Part Number: MP-481-131-0-2
Series: MP Series Actuator
Other Synonyms: BARBER COLMAN
Common Failures
Units evaluated have shown various mechanical and electrical issues. Common symptoms include wiring concerns affecting operation direction, speed irregularities, rotation specification discrepancies, and contamination from foreign materials.
Repair Approach
Repairs may involve correcting wiring configurations, restoring mechanical integrity through component replacement or adjustment, and cleaning switch contacts. Specific adjustments to rotation limits and directions may be required. Please note that not all units can be restored to customer specifications and may be determined Beyond Economic Repair after evaluation.
Testing & Quality
Evaluation may reveal issues such as operation direction concerns or timing irregularities. Quality assurance testing includes extended burn-in procedures to verify clockwise and counterclockwise motion, auxiliary switch performance, and resistance values. Following evaluation, we will provide a quotation before any repair work begins. Some units may not be repairable to customer requirements and would be returned after assessment.
Repair your broken Barber-Colman part
We can repair your Barber-Colman model MP-481-131-0-2 .
Please note: our repair turnaround time may be longer than our standard lead times for this item.
Step 1 -
Click the green button above, "Repair Now," and add to your RMA.
Step 2 -
Print the RMA form that is emailed to you, and put it in a box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
You will be sent an authorization for repair via email. Your approval is needed before any work is started.
Once the user has seen at least one product this snippet will be visible.