First 400 VDC coupler system according to IEC
SCHURTER launches the first UL approved IECTS 62735-1 connector system, GS21 socket-outlet and GP21 plug. Rated up to 400 VDC, the connector system is designed to enable a worldwide standardized approach to DC power distribution in data centers.
The cost-intensive, failure-susceptible and wasteful transforming of AC to AC or AC to DC conversion can be avoided with a complete DC power architecture. From source to load, a DC architecture improves the overall quality of the power being supplied by virtue of its design. Problems with harmonics and harmonic distortions are eliminated. There is no longer the need for phase compensation, or coupling synchronization to different sources and networks, thereby increasing operational reliability and improving efficiency.
In the digital age, vast quantities of DC-powered devices are increasingly common. DC-powered consumer electronic devices, for instance, have enabled smaller designs with increased functionality, while reducing costs and increasing reliability. Similar demands are becoming prevalent in areas such as large-scale communication infrastructures, electric vehicle charging, and lighting to name a few. The emergence of industrialized demand for a worldwide common approach to DC power systems is therefore driving the establishment of standards.
Safety is key. The new IEC TS 62735-1 standard for DC power distribution requires a more complex design than traditional AC connector systems outlined in the IEC standard 60320. The DC connector systems must be designed considering the increased potential for arcing when disconnecting the DC power supply under load. The next generation standard IEC TS 62735-2, for the development of a DC connector system rated up to 5.2 kW, will require additional structural elements, referred to as a safety interlock (cold switch). The GP21/GS21 has a permissible operating temperature range of -5°C to +105°C.
The GP21 rewireable plug accommodates a cable cross-section of between 0.75 mm2/18 AWG and 1.5 mm2/16 AWG. The GS21 socket-outlet offers mounting options for 1.5 mm or 2.0 mm panels. Terminals are quick connect 6.3 x 0.8 mm or PCB. Appliance-side DC components, according to IEC TS 63236, are also in development and expected to be released in 2021, when the standard is expected to be published.
To increase operational safety, SCHURTER will also be equipping its 2.6 kW coupler set with a cord retaining system. Appliance-side DC components, such as inlets and cord connectors, are being standardized in IEC TS 63236. This standard is currently in the draft phase.
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