{"product_id":"1768-pa3-allen-bradley-compactlogix-power-supply-module","title":"1768-PA3 Allen-Bradley CompactLogix Power Supply Module","description":"\u003ch2\u003e\u003cstrong\u003eAllen‑Bradley 1768‑PA3 CompactLogix Power Supply – Technical Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Allen‑Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e \u003cstrong\u003e1768‑PA3\u003c\/strong\u003e – CompactLogix Power Supply Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage Range:\u003c\/strong\u003e 85…265V AC or 108…132V DC (selectable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Frequency:\u003c\/strong\u003e 47…63 Hz (for AC operation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e 1.4 Amps @ 24 Volts DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Input Power:\u003c\/strong\u003e 120 VA \/ 120 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 75% typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 30 W (maximum)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush Current (Nominal):\u003c\/strong\u003e 25 A @ 85…132V AC; 50 A @ 195…265V AC; 25 A @ 108…132V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush Current (Max):\u003c\/strong\u003e 50 A @ 85…132V AC; 80 A @ 195…265V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 30 Volts continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Protection:\u003c\/strong\u003e Non‑replaceable soldered fuse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended External Fuse:\u003c\/strong\u003e 4…6 A @ 28.5…36.7 A²S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Open‑style (no IP rating)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the \u003cstrong\u003e1768‑PA3\u003c\/strong\u003e a new and original module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply 100% new, original Allen‑Bradley power supplies. No refurbished or counterfeit products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use the 1768‑PA3 with 1769 Compact I\/O modules?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports up to eight 1769 modules in the same bank when paired with a 1768 controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum inrush current I should plan for?\u003c\/strong\u003e\u003cbr\u003eA: The maximum inrush reaches 80 A at 195‑265V AC – size your circuit breaker accordingly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How do I know if the internal fuse has blown?\u003c\/strong\u003e\u003cbr\u003eA: The fuse is soldered and non‑replaceable. If the LED stays off and input power is good, replace the entire \u003cstrong\u003e1768‑PA3\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the 1768‑PA3 provide output power to field devices?\u003c\/strong\u003e\u003cbr\u003eA: No, it only supplies backplane power to internal logic – field outputs need separate power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the efficiency rating of this power supply?\u003c\/strong\u003e\u003cbr\u003eA: The typical efficiency is 75%, which minimizes wasted heat in the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the enclosure suitable for outdoor or washdown areas?\u003c\/strong\u003e\u003cbr\u003eA: No – the open‑style enclosure requires installation inside a NEMA\/IP rated cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have stock for immediate shipment?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we maintain ample stock of the \u003cstrong\u003e1768‑PA3\u003c\/strong\u003e. Orders ship within 5 business days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eContact Information Inquiries:\u003c\/strong\u003e \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e ， \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePartner NexAuto Technology Limited :\u003c\/strong\u003e \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46655671042209,"sku":"1768-PA3","price":256.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/1768-PA3-1.jpg?v=1783322389","url":"https:\/\/www.autonexcontrol.com\/products\/1768-pa3-allen-bradley-compactlogix-power-supply-module","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}