{"product_id":"allen-bradley-1771-p4s-power-supply-responsive-support","title":"1771-P4S | Allen-Bradley 120VAC Power Supply Module, 5VDC\/8A Output for 1771 Universal I\/O Chassis","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1771-P4S is a single-slot AC power supply module designed for the 1771 Universal I\/O platform. Supplying 5VDC at up to 8 Amps, it delivers stable backplane power for PLC-5 and 1771 I\/O modules. Operating from a 97–132VAC input source, this unit is ideal for legacy systems requiring dependable power distribution. It supports parallel power supply operation for increased load capacity and system redundancy.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100.086%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eNew \/ Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e1771-P4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003ePLC-5 Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eAC to DC Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eModule Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eCompatible Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e1771-A1B, A2B, A3B, A4B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e97–132VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e120VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eMaximum Real Input Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e59 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eMaximum Apparent Input Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e89 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eMaximum Former Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e148 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e5VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eBackplane Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e8 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e1.5A, 250V slow-blow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e5-position, P\/N 941274-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eWire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e14 AWG max, single wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eParallel Cabling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eSupports 1771-CT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eCompatible Parallel Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e–LSP, –LWP, –XP, –ZP, –P4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e0–60°C (32–140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e–40–85°C (–40–185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e5–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e2160VDC for 1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003ePower Loss Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003e13.6 ms ± 3.6 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40.6483%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.1964%;\"\u003eApprox. 1.85 lb (0.84 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1771-P4S\u003cspan style=\"font-weight: 400;\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1771-P4S is a dependable power supply designed for the PLC-5\/1771 product family. Compatible with 1771-A1B, A2B, A3B, and A4B Universal I\/O chassis, this module fits into a single slot and provides power to all installed I\/O modules through the backplane. Its input range of 97–132VAC at 47–63 Hz makes it suitable for standard industrial AC distribution systems.\u003c\/p\u003e\n\u003cp\u003eCapable of delivering a regulated 5VDC output at up to 8 Amperes, the 1771-P4S supports substantial I\/O loads. Multiple power supplies can be connected in parallel using 1771-CT cabling, offering increased current capacity and improved operational reliability.\u003c\/p\u003e\n\u003cp\u003eThe module includes a 1.5A, 250V slow-blow fuse, which is field-replaceable for quick maintenance. It uses a 5-position terminal block (Allen-Bradley P\/N 941274-05) for convenient wiring and supports 14 AWG single-wire copper conductors.\u003c\/p\u003e\n\u003cp\u003eEngineered for industrial environments, the unit supports temperatures from 0 to 60°C, with storage ratings from –40 to 85°C, and a humidity tolerance of 5–95% non-condensing. Its rugged design, built-in protection, and ability to operate in parallel make the 1771-P4S a reliable component for PLC-5 legacy installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-slot 120VAC power supply for 1771 chassis\u003c\/li\u003e\n\u003cli\u003e5VDC, up to 8A regulated backplane output\u003c\/li\u003e\n\u003cli\u003eParallel-ready for increased load capacity\u003c\/li\u003e\n\u003cli\u003eField-replaceable 1.5A slow-blow fuse\u003c\/li\u003e\n\u003cli\u003eSupports standard 14 AWG industrial wiring\u003c\/li\u003e\n\u003cli\u003eCompatible with all major 1771 Universal I\/O chassis\u003c\/li\u003e\n\u003cli\u003eIndustrial operating range of 0–60°C\u003c\/li\u003e\n\u003cli\u003eUL \u0026amp; CSA certified for global installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47208467824938,"sku":"1771-P4S","price":522.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/1771-P4S.webp?v=1708077511","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1771-p4s-power-supply-responsive-support","provider":"IQElectro","version":"1.0","type":"link"}