Breaks are tubular electrical isolators which are composed of metal adapters brazed to both ends of a ceramic insulator. These assemblies are used primarily for voltage isolation. Assemblies with inner diameters less than 2.5 inches are typically referred to as breaks, and those with larger inner diameters are called envelopes. MPF offers several mounting options for breaks and envelopes: Weldable, Quick Flange (QF), and Conflat Flange (CF). Custom adapters, plates, and flange configurations are available by request.

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