Shield, and printed circuit board and electrical apparatus...

Details Shield, and printed circuit board and electrical apparatus... Shield, and printed circuit board and electrical apparatus...

H - Electricity

05

K

H05K 7/00 (2006.01) H01H 71/02 (2006.01) H05K 1/02 (2006.01) H05K 5/06 (2006.01)

Patent

CA 2582704

A shield is provided for a circuit breaker including a printed circuit board (PCB). The PCB is a generally planar member with a plurality of electrical components each having a corresponding shape. The shield includes at least one resilient sheet member at least partially covering the generally planar member and at least one of the electrical components coupled thereto. The resilient sheet member generally conforms to the corresponding shape of the at least one of the electrical components in order to shield and protect it from debris and to resist accumulation of gas-carried carbon. The resilient sheet member is made from a material, such as silicon rubber, which is flexible and elastic within a temperature range of about -70 to about 450 degrees Fahrenheit, and it is flame-resistant, tear and abrasion- resistant, impervious to moisture and chemicals, fungus-resistant, and resistant to outgassing.

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