Challenger Breaker Panel Bus Bar

Between the 1980 s to the 1990 s challenger panels were installed in hundreds of thousands of homes.

Challenger breaker panel bus bar. But if the breaker doesn t trip the increasing current can cause the wires to overheat and even ignite. Why are challenger electrical panels not insurable. Eaton 21 terminal ground bar for type ch and type br panels model gbk2120 15 45 15 45. Thank you to honor services for supplying the video.

Over the years it was discovered that two types of circuit breakers manufactured by challenger were overheating under normal conditions at the connection point to the bus bar. Challenger instant switchboard msp42 4sn 400 amp interior 240 208 120v 3p 4w. You can see evidence of overheating at mid right bus bar by the discoloration. The overheating causes cyclical expansion and contraction of the the bus bars creating a gap between the bus bar and breaker and consequent electrical arcing which has caused meltdown of the panel components in some cases.

We also carry all of the replacement circuit breakers for these panels. Make offer challenger 3ph 208y 120v 225a powermaster panelboard prl1. However the specific panel bus and breaker designs are different among those brands. Siemens 18 ge 12 eaton 8 square d 8 leviton 6 blackburn 2 arlington industries 1 connecticut electric 1 erico 1.

Make offer challenger main circuit breaker panel pm1a 225a main ced3225 208y 120v 3ph 3w. Challenger 3ph 208y 120v 225a powermaster panelboard prl1. In 1973 gte sylvania same owners of zinsco introduced their own panel and breaker design. They named their product challenger.

Challenger was very similar in design to zinsco which brought speculation. The company at some point could have re labeled the. We have a large assortment of zinsco sylvania and challenger bus bars dead front covers and meter parts. We have circuit breaker testing capability thru 200 amp.

This article includes photographs of overheated challenger electric electrical panel components and cites a historical connection between challenger electric company and federal pacific electric. Challenger panel arcing video. Electrical panel bus overheats circuit breaker failures field reports. We are a newly formed company so our inventory is growing daily.

Set your store to see local. Also you can verify this is a challenger panel by the sticker on the back right as well as the labels on the breakers.