{"product_id":"1756-pbxt-allen-bradley-power-supply-module","title":"1756-PBXT | Allen Bradley | Power Supply Module","description":"\u003ch2\u003eAllen-Bradley 1756-PBXT Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-PBXT\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-PBXT\u003c\/strong\u003e power supply module, provides regulated DC outputs for ControlLogix backplane systems, supporting multiple voltage rails with reinforced isolation.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e1756-PBXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e14.0 × 11.2 × 14.5 cm (HxWxD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003e-25 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage Temp\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003e70 W input rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Voltage\u003c\/th\u003e\n\u003ctd\u003e18…32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Capacity\u003c\/th\u003e\n\u003ctd\u003e2.1 A @ 24 VDC, 10.0 A @ 5.1 VDC, 4.0 A @ 3.3 VDC, 1.5 A @ 1.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Output Power\u003c\/th\u003e\n\u003ctd\u003e52 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInrush Current\u003c\/th\u003e\n\u003ctd\u003e30 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIsolation Voltage\u003c\/th\u003e\n\u003ctd\u003e250 V continuous, reinforced insulation type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Type\u003c\/th\u003e\n\u003ctd\u003eOpen-style (no enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTorque Requirement\u003c\/th\u003e\n\u003ctd\u003e0.565 N·m (5 lb·in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSlot Width\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Code\u003c\/th\u003e\n\u003ctd\u003eT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 1756-PBXT integrates into ControlLogix chassis with \u003cstrong\u003efirmware flash compatibility\u003c\/strong\u003e across multiple voltage rails. Reinforced isolation ensures safe separation between input and backplane domains. Its multi-voltage outputs (5.1 V, 3.3 V, 1.2 V, and 24 VDC) support diverse module requirements, while inrush current limiting stabilizes startup conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum inrush current during startup? A: The module supports up to 30 A inrush current at power-up.\u003c\/p\u003e\n\u003cp\u003eQ: Does the module provide reinforced isolation? A: Yes, it provides 250 V continuous reinforced insulation between input and backplane.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output power capacity? A: The module delivers up to 52 W across its voltage rails.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module in ControlLogix chassis slots with adequate ventilation.\u003c\/li\u003e\n\u003cli\u003eEnsure torque of 0.565 N·m (5 lb·in) on terminal screws for secure connections.\u003c\/li\u003e\n\u003cli\u003eMaintain ambient temperature between -25 and +70 deg C for stable operation.\u003c\/li\u003e\n\u003cli\u003eRoute DC input wiring separately from signal conductors to minimize interference.\u003c\/li\u003e\n\u003cli\u003eVerify backplane seating before energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44110763425866,"sku":"1756-PBXT","price":580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1756-PB72_1.png?v=1741073700","url":"https:\/\/www.topbrandsplc.com\/products\/1756-pbxt-allen-bradley-power-supply-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}