Halogenated hydrocarbon compositions and electrical apparatus co
Hand-actuated, multiple-function switch unit, particularly for e
Hand-operated double-acting trigger switch
Handgrip having dead-man-switch action for construction equipmen
Handle safety switch
Handle safety switch
Heating means for high-voltage gas-type circuit interrupter
Heavy current switch
Heavy duty push-button electrical switch
Hermetically sealed electrical switch with pressure regulating g
Hermetically sealed resilient contact switch having surgical app
High amperage switching apparatus with bi-metallic arcing contac
High compression puffer circuit interrupter
High continuous current vacuum-type circuit interrupter
High current capacity rod array vacuum arc discharge device
High current cell-shorting switches
High current double-break electrical contactor
High current repetitive switch having no significant arcing
High current switch contacts
High current switches using multi-louvered contact strips