{"product_id":"1vcf750168r801-abb-power-supply-unit","title":"1VCF750168R801 ABB Power Supply Unit","description":"\u003cp\u003eConfigured for auxiliary power conversion in medium voltage protection and control systems, the \u003cstrong\u003eABB 1VCF750168R801\u003c\/strong\u003e (\u003cstrong\u003e1VCF750168R801\u003c\/strong\u003e Power Supply Unit) provides direct physical\/electrical execution. It transforms 48 to 240 VDC wide-range input voltages into regulated DC power to drive internal processor logic, relays, and optical isolation circuits across digital substation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1VCF750168R801\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e48 to 240 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C (-40 to +158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.62 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoad dependent (internal conversion efficiency \u0026gt; 85 percent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCertification Level 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Compliance\u003c\/td\u003e\n\u003ctd\u003eNot in WEEE scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Architecture and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe power supply unit delivers filtered DC voltage rails directly across the internal backplane bus to ensure deterministic logic execution during system transients. Internal hold-up capacitors maintain output rail stability during brief DC input voltage dips. Firmware flash compatibility across integrated protection modules is maintained by stable power distribution, preventing memory corruption or logic reset sequences during abrupt supply fluctuations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the power supply unit support hot-swapping during active subrack operation?\u003c\/p\u003e\n\u003cp\u003eA: No, auxiliary DC supply power must be isolated prior to removing or inserting the power supply module to prevent backplane arc discharge and transient electrical stress.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit maintain thermal performance across extreme operating temperatures?\u003c\/p\u003e\n\u003cp\u003eA: The hardware uses passive conduction and convection heat sinks without internal moving fans, enabling continuous operation from -40 to +70 deg C within standard enclosures.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower Disconnection: Isolate external 48-240 VDC primary power sources before mounting or wiring the power supply unit into the subrack assembly.\u003c\/li\u003e\n\u003cli\u003eEarth Grounding: Connect the module chassis ground terminal directly to the panel earth bus bar using a short, low-impedance copper strap to optimize noise immunity and surge suppression.\u003c\/li\u003e\n\u003cli\u003eClearance and Ventilation: Maintain adequate vertical clearance above and below the module enclosure to facilitate natural convection cooling across the internal heat sinks.\u003c\/li\u003e\n\u003cli\u003eInput Wire Routing: Secure DC supply cables using proper strain relief and keep input power leads physically separated from low-voltage signal and communication lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53256979185973,"sku":"1VCF750168R801","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1VCF750168R801.png?v=1786067962","url":"https:\/\/www.5gplc.com\/products\/1vcf750168r801-abb-power-supply-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}