C19 / C20 (connector)

Schematic appearance of the contacts of the connectors C19 / C20

A detachable pair (plug-socket) for connecting equipment to the power supply , as a rule, is used in devices mounted in a telecommunication rack . Full name: IEC-320-C19 / IEC-320-C20

Grounded connector with fixed polarity. It is used in some IT equipment where high currents are required, for example, in powerful workstations or servers, uninterruptible power supplies, network routers, etc. Also used in some medical equipment. Made in the form factor of a rectangle with pins parallel to the long side.

**IEC 60320-1 Instrument Connectors**
Plug (Mom) ^[1]	Nest (Dad) ^[2]	Diagram	Distance between, pin centers (mm)	Grounding	Protection class	Allowed removable connector?	Maximum current (A)	Maximum temperature pins (° C)	Examples of using
C19	C20		13 (H) 8 (V)	Yes	I	Yes	16	70	Typically on industrial servers and power supplies for Telecommunication Racks , PowerMac G5 (end 2005), Cisco 6500 Series Power Supplies, Cisco UCS 5108 Chassis, Nexus 7000 Series Core Router Power Supplies.

Notes

↑ [1] , Comprehensive Dictionary of Electrical Engineering, Phillip A. Laplante, Springer, 1999, p.243 (retrieved March 26, 2014 from Google Books)
↑ [2] , Comprehensive Dictionary of Electrical Engineering, Phillip A. Laplante, Springer, 1999, p.395 (retrieved March 26, 2014 from Google Books)

[1] [1] , Comprehensive Dictionary of Electrical Engineering, Phillip A. Laplante, Springer, 1999, p.243 (retrieved March 26, 2014 from Google Books)

[2] [2] , Comprehensive Dictionary of Electrical Engineering, Phillip A. Laplante, Springer, 1999, p.395 (retrieved March 26, 2014 from Google Books)

C19 / C20 (connector)

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