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MS Circular- To 700 Volts to 10 Amps / Air & Vacuum Service 350ºC

Although these connectors do not carry the MS prefix, they are of the MS type. Other than the alumina ceramic dielectric, these connectors meet standard specifications for MIL-C-5015 connectors. They are solid shell straight plug threaded connectors with polarizing keyways. The female socket contacts are Alumel, a high Nickel alloy suitable for service in air or vacuum and bakeable to 350ºC. The metal shell components are Nickel plated Aluminum with low vapor pressure characteristics, unlike standard MS Circular Connectors which are Cadmium plated and not suitable for UHV.


Voltage Rating 700 Volts Peak
Current Rating 10 Amps / Pin
Maximum Current all Pins Loaded 4 Pin - 28 Amps
6 Pin - 36 Amps
10 Pin - 50 Amps
20 pin - 75 Amps
35 Pin - 100 amps
Temperature Range -200ºC to 350ºC
For conversion tables click here

Insulator Seal (ISI) brand catalog and custom engineered ceramic to metal seal products are manufactured to ISO 9001:2008 standard utilizing our qualified hermetic brazing and joining processes.

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