North American Switchgear, Inc.
12502 Berea Rd. Cleveland, OH 44111
Phone: 800-909-3660 Fax: 216-941-3121
sales@naswgr.com / http://www.naswgr.com

Low Voltage Power Circuit Breaker Recondition Guidelines
For breakers with solid state retrofit units

 

  1. Inspect breaker for rust, corrosion, signs of overheating, cracks or missing parts. Check contacts for excessive deterioration, cracks, chips or pitting. Verify interlocks are present and in proper position.
  2. Disassemble breaker to smallest assembly that will allow for inspection, cleaning, lubrication & testing
  3. Replace all missing hardware, paint frame including racking hardware as per manufacturer’s specifications
  4. Clean operating mechanism & drawout mechanism, replate or paint mechanism parts as per manufacturer’s specifications
  5. Clean or degrease primary and secondary disconnects, silver plate primary disconnects and contacts as per manufacturers specifications
  6. Lubricate operating mechanism, drawout mechanism & primary disconnect stabs
  7. Check main and arcing contacts for proper wipe, pressure, gap or other manufacturer’s recommendations
  8. Disassemble and clean arc chutes, insulate with clear coat insulation if specified
  9. Replace all control wiring to customer’s specified wiring diagram
  10. Replace all defective, damaged or worn parts
  11. Check all connections for proper torque
  12. Check manual and electrical operation
  13. Tests: meggar, ductor, operational and high current testing

 

 Note: These guidelines are general and may not apply to all low voltage breakers. Please contact our sales department if you have specific inquiries as to our recondition practices.