The Brand New replacements for LA Circuit Breakers fits perfectly unless there is a handle mechanism like in Motor Control Centers These are the Manufactures UL Replacements, not a clone or foreign made product. This Westinghouse Circuit Breaker Type LA has been Obsolete for over 20 years ago. The replacement Circuit Breaker for the LA is 30,000 aic @ 480 Volt and meets today's codes and are better Quality than the originals.
There is no need to purchase a used circuit breaker and you can feel safe and secure purchasing the New Replacements. Many companies that state "reconditioned" do little more than clean the outside of the Circuit Breaker. To properly recondition the LA Circuit Breaker, you would need to remove the cover screws just to open the Circuit Breaker. You would need to remove the components, smooth the contacts, lubricate the pivot points and hope it passes test. If it does not Pass test, you would need to alter the internal Thermal Components. Also you will void the UL if you open it up. The LA Circuit Breaker Replacement comes with JRL's one year warrantee.