{"product_id":"allen-bradley-1756-ph75-high-voltage-dc-power-supply-module","title":"Allen-Bradley 1756-PH75 ControlLogix High-Voltage DC Power Supply Module","description":"\u003cp\u003eThe 1756-PH75 is a high-efficiency, high-voltage direct current (DC) chassis power supply module designed for the Allen-Bradley ControlLogix 1756 platform. This side-mount module serves as the central electrical power source for the backplane, converting facility-level high-voltage DC into regulated multi-rail logic voltages required for processors, communication modules, and I\/O.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 125 VDC nominal input power systems.\u003c\/li\u003e\n\u003cli\u003eProvides four regulated output rails: 24 VDC, 5.1 VDC, 3.3 VDC, and 1.2 VDC.\u003c\/li\u003e\n\u003cli\u003eSupports 75 Watts of total backplane output power.\u003c\/li\u003e\n\u003cli\u003eFeatures ride-through capability of up to 50 ms to prevent system resets during brief input power dips.\u003c\/li\u003e\n\u003cli\u003eReinforced insulation rated for 250 Volts continuous isolation.\u003c\/li\u003e\n\u003cli\u003eMounts directly to the left side of standard 1756 Series B chassis.\u003c\/li\u003e\n\u003cli\u003ePassive cooling design; no internal fans required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis power supply is engineered for intensive industrial environments where high-voltage DC bus distribution is standard, including electrical substations, mass transit rail infrastructure, marine power generation, and automated manufacturing facilities.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-PH75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e90 to 143 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Power\u003c\/td\u003e\n\u003ctd\u003e95 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Backplane Output\u003c\/td\u003e\n\u003ctd\u003e75 Watts (0 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (24V \/ 5.1V \/ 3.3V \/ 1.2V)\u003c\/td\u003e\n\u003ctd\u003e2.8A \/ 13.0A \/ 4.0A \/ 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e2 g @ 10 to 500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.33 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before installing or removing the power supply module.\u003c\/li\u003e\n\u003cli\u003eThe module must be installed on the left side of the 1756 chassis.\u003c\/li\u003e\n\u003cli\u003eUse 2.5 mm2 (approx. 14 AWG) solid or stranded copper wire for input connections.\u003c\/li\u003e\n\u003cli\u003eTighten terminal block screws to 0.8 N·m (7 lb·in) to ensure secure contact and vibration resistance.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to allow for convective airflow; do not obstruct the open-style chassis.\u003c\/li\u003e\n\u003cli\u003eEnsure the installation environment meets the specified 5 to 95 percent non-condensing humidity requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with all ControlLogix chassis?\u003c\/strong\u003e\u003cbr\u003eThe 1756-PH75 is designed for use with 1756 Series B backplanes, including the 1756-A4, A7, A10, A13, and A17 models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module require external cooling?\u003c\/strong\u003e\u003cbr\u003eNo, the module utilizes an open-style architecture that relies on ambient convective airflow for thermal management.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50991189065980,"sku":"1756-PH75","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_3b27b6de-a1e6-4f4a-bc6d-2380ce35fada.jpg?v=1786989452","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-ph75-high-voltage-dc-power-supply-module","provider":"Electronic PLC","version":"1.0","type":"link"}