{"product_id":"allen-bradley-1756-pa75-b-controllogix-85-265vac-power-supply","title":"Allen Bradley 1756-PA75\/B ControlLogix 85-265VAC Power Supply","description":"\u003ch3\u003e\u003cstrong\u003eAllen Bradley 1756-PA75\/B ControlLogix 75W 85-265V AC Power Supply Module\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA75\/B (1756-PA75\/B)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a standard-capacity AC power supply module engineered for the Rockwell Automation ControlLogix 1756 chassis system. This module is tasked with converting universal line power into the regulated DC voltages required by the backplane to drive processors, high-speed I\/O, and communication modules.\u003c\/p\u003e\n\u003cp\u003eThe Series B revision (\u003cstrong\u003e1756-PA75\/B\u003c\/strong\u003e) incorporates optimized circuit protection and enhanced thermal performance, providing 75 Watts of power across a broad environmental temperature range. A critical feature of this unit is its power-loss detection logic; it monitors the incoming AC cycle and provides an early-warning signal to the system, allowing the controller to save operational states and execute a deterministic shutdown before total voltage collapse.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA75\/B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides stable power distribution with the following high-fidelity engineering parameters:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Allen-Bradley (Rockwell Automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\/Part Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-PA75\/B\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: ControlLogix Power Supplies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e: 85–265V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e: 120V \/ 240V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Frequency Range\u003c\/strong\u003e: 47–63 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Input Power\u003c\/strong\u003e: 100 VA \/ 100 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Output Power\u003c\/strong\u003e: 75 W @ 0–60 °C (32–140 °F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (1.2V DC)\u003c\/strong\u003e: 1.5 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (3.3V DC)\u003c\/strong\u003e: 4.0 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (5.1V DC)\u003c\/strong\u003e: 13.0 A @ 40 °C; 10.0 A @ 50 °C; 6.0 A @ 60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current Capacity (24V DC)\u003c\/strong\u003e: 2.8 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInrush Current (Max)\u003c\/strong\u003e: 20 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHold-up Time\u003c\/strong\u003e: 5 cycles @ 85V AC; 6 cycles @ 120V AC; 25 cycles @ 240V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 250V (continuous), tested at 1500V AC for 60 s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConductor Screw Torque\u003c\/strong\u003e: 0.565 N•m (5 lb•in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e: 140 x 78 x 145 mm (5.51 x 3.07 x 5.71 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.95 kg (2.10 lb)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44001029652579,"sku":"1756-PA75\/B","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/289_c8f76372-3327-43c0-ba05-eba10930ce34.jpg?v=1770967482","url":"https:\/\/www.autocontrolglobal.com\/products\/allen-bradley-1756-pa75-b-controllogix-85-265vac-power-supply","provider":"AutoControl Global","version":"1.0","type":"link"}