{"product_id":"rockwell-automation-1769-pb2-dc-input-module-24v-dc","title":"Rockwell Automation 1769-PB2 DC Input Module | 24V DC","description":"\u003ch3\u003e\u003cstrong\u003eAllen-Bradley 1769-PB2 CompactLogix 24V DC Expansion Power Supply\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\u003e1769-PB2 (1769-PB2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability DC expansion power supply module designed for the Allen-Bradley CompactLogix and MicroLogix 1500 controller families. This module is essential for systems where the primary controller's power capacity is exceeded or when creating additional distributed I\/O banks via expansion cables. It converts a 24V DC field input into regulated backplane power, ensuring stable operation for logic circuits and communication bus signals.\u003c\/p\u003e\n\u003cp\u003eEngineered with reinforced insulation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2 (1769-PB2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides superior electrical separation between the DC input source and the sensitive internal backplane. This isolation prevents external noise, grounding disturbances, and surge transients from affecting CPU performance or I\/O data integrity. With a distance rating of 8 modules per side, it offers the flexibility needed for high-density industrial control cabinets and multi-rack architectures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe following specifications define the electrical and environmental parameters for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e:\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 Number\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-PB2\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: DC Expansion Power Supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e: 19.2 to 31.2 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e: 24 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e: 50 VA @ 24 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Output (5.1V DC)\u003c\/strong\u003e: 2.0 Amps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Output (24V DC)\u003c\/strong\u003e: 0.8 Amps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Power Dissipation\u003c\/strong\u003e: 7.5 Watts @ 60 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Inrush Current\u003c\/strong\u003e: 30 Amps @ 31.2 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Distance Rating\u003c\/strong\u003e: 8 modules (Left or Right side)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 75V continuous (Tested at 1697V DC for 1 second)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Protection\u003c\/strong\u003e: Non-replaceable fuse (Wickmann 19193-6.3A \/ Littelfuse 021706.3MXP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminal Wiring\u003c\/strong\u003e: 14 AWG (2.5 mm²) solid copper rated for 90 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0 to 60 °C (32 to 140 °F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e: DIN Rail or Panel Mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42870829383770,"sku":"1769-PB2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/357._eb325d43-795e-4fa0-bb5e-331f12e36bc4.jpg?v=1771982786","url":"https:\/\/www.spareoil.com\/products\/rockwell-automation-1769-pb2-dc-input-module-24v-dc","provider":"SpareOil Automation","version":"1.0","type":"link"}