{"product_id":"honeywell-10303-1-1-power-supply-distribution-module","title":"Honeywell 10303\/1\/1 Power Supply Distribution Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Honeywell 10303\/1\/1 is a specialized power supply distribution module engineered for the Honeywell FSC (Fail Safe Controller) safety system. This module serves as a critical interface for power management, specifically designed for configurations utilizing redundant central processing units alongside non-redundant I\/O sections. Its primary function is to combine outputs from multiple power supply units (PSUs) to provide a regulated 5 VDC supply, ensuring stable voltage distribution and system reliability in demanding safety-critical environments such as oil and gas processing, chemical plants, and power generation facilities.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePassive distribution design: Operates without internal power consumption, minimizing heat generation and failure points.\u003c\/li\u003e\n\u003cli\u003eRedundancy support: Merges redundant PSU outputs to maintain consistent power delivery.\u003c\/li\u003e\n\u003cli\u003eHigh current capacity: Supports a total module load of up to 20 A.\u003c\/li\u003e\n\u003cli\u003eVoltage stability: Designed to maintain a strict voltage tolerance of +\/- 5 percent.\u003c\/li\u003e\n\u003cli\u003eRobust connectivity: Utilizes a DIN 41612 H15 connector with Faston terminals for secure, high-current power transmission.\u003c\/li\u003e\n\u003cli\u003eIntegrated protection: Features reverse voltage protection up to 30 V.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is intended for use in Honeywell FSC safety systems where reliable power distribution to I\/O racks is required. It is commonly deployed in industrial automation systems where maintaining uptime and preventing power-related faults is essential for process safety.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e10303\/1\/1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003ePSU output combining and 5 VDC distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Total Load\u003c\/td\u003e\n\u003ctd\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Forward Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e0.55 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Reverse Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eDIN 41612 H15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current per Pin\u003c\/td\u003e\n\u003ctd\u003e10 A\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\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower-down procedure: Always switch off all associated PSU power before inserting or removing the module to prevent system disturbance or electrical arcing.\u003c\/li\u003e\n\u003cli\u003eProximity: To maintain the required +\/- 5 percent voltage tolerance, install the module as close to the PSU units as possible.\u003c\/li\u003e\n\u003cli\u003eConnector handling: Ensure the DIN 41612 H15 connector is fully seated and that Faston terminals are securely crimped and tightened to prevent high-resistance connections.\u003c\/li\u003e\n\u003cli\u003eEnvironment: Ensure the installation location is within the specified operating temperature range (0 to 60 deg C) and free from excessive vibration or corrosive contaminants.\u003c\/li\u003e\n\u003cli\u003eGrounding: Follow standard industrial grounding practices for the FSC system backplane to ensure signal integrity and safety.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 10303\/1\/1?\u003c\/h3\u003e\u003cp\u003eThe module acts as a passive distribution interface that combines redundant power supply outputs into a single 5 VDC supply for non-redundant I\/O sections within a Honeywell FSC system.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power?\u003c\/h3\u003e\u003cp\u003eNo, the 10303\/1\/1 is a passive device and does not consume power for its own operation; it merely routes and balances the power supplied by the PSUs.\u003c\/p\u003e\u003ch3\u003eWhat is the maximum current rating?\u003c\/h3\u003e\u003cp\u003eThe module is rated for a total load of 20 A, with individual pins on the DIN 41612 H15 connector rated for a maximum of 10 A each.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43847735345242,"sku":"10303\/1\/1","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_0cffa0c6-1895-4e5c-8dc7-83ec6d679eeb.jpg?v=1786730381","url":"https:\/\/www.spareoil.com\/products\/honeywell-10303-1-1-power-supply-distribution-module","provider":"SpareOil Automation","version":"1.0","type":"link"}