Make offer challenger 3ph 208y 120v 225a powermaster panelboard prl1.
Challenger breaker panel bus bar.
Challenger was very similar in design to zinsco which brought speculation.
Make offer challenger main circuit breaker panel pm1a 225a main ced3225 208y 120v 3ph 3w.
We are a newly formed company so our inventory is growing daily.
We have circuit breaker testing capability thru 200 amp.
Why are challenger electrical panels not insurable.
This article includes photographs of overheated challenger electric electrical panel components and cites a historical connection between challenger electric company and federal pacific electric.
The company at some point could have re labeled the.
In 1973 gte sylvania same owners of zinsco introduced their own panel and breaker design.
Challenger panel arcing video.
Eaton 21 terminal ground bar for type ch and type br panels model gbk2120 15 45 15 45.
But if the breaker doesn t trip the increasing current can cause the wires to overheat and even ignite.
We have a large assortment of zinsco sylvania and challenger bus bars dead front covers and meter parts.
They named their product challenger.
However the specific panel bus and breaker designs are different among those brands.
Challenger instant switchboard msp42 4sn 400 amp interior 240 208 120v 3p 4w.
Set your store to see local.
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.
Challenger 3ph 208y 120v 225a powermaster panelboard prl1.
Between the 1980 s to the 1990 s challenger panels were installed in hundreds of thousands of homes.
Siemens 18 ge 12 eaton 8 square d 8 leviton 6 blackburn 2 arlington industries 1 connecticut electric 1 erico 1.
Challenger panel overheat reports are not restricted to the use of challenger breakers in fpe panels but it is no surprise and no coincidence that challenger s manufacture and sale of fpe stab lok replacement circuit breakers would by itself produce a blizzard of panel failures bus overheats and circuit breaker no trip failures since.
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.
We also carry all of the replacement circuit breakers for these panels.
You can see evidence of overheating at mid right bus bar by the discoloration.
Sunday march 1 2020.
Also you can verify this is a challenger panel by the sticker on the back right as well as the labels on the breakers.