{"product_id":"allen-bradley-1771-a3b1","title":"1771-A3B1","description":"\u003ch2\u003eOverview of Allen-Bradley 1771-A3B1 Universal I\/O Chassis\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley 1771-A3B1 is a 12-slot universal I\/O chassis designed for use with 1771 I\/O modules within the PLC-5 family. This chassis provides module connectivity via a backplane that supports communication between the I\/O modules and the processor or I\/O adapter. It is intended for panel mounting only and has a maximum backplane current capacity of 24 Amperes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features of 1771-A3B1\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e12 available I\/O slots for universal modules.\u003c\/li\u003e\n  \u003cli\u003eBackplane supplies a maximum current of 24 Amperes at 5 V DC.\u003c\/li\u003e\n  \u003cli\u003ePanel mount type with mounting tabs designed for installation on back panels.\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of 1771 I\/O modules and specialty modules.\u003c\/li\u003e\n  \u003cli\u003eOpen style enclosure, suitable for industrial environments.\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range: 0 to 60 °C (32 to 140 °F).\u003c\/li\u003e\n  \u003cli\u003eWeight approximately 5.9 kg (13 lbs).\u003c\/li\u003e\n  \u003cli\u003eDesigned for harsh industrial environments with shock resistance of 15 g and vibration resistance of 2 g (10-500 Hz).\u003c\/li\u003e\n  \u003cli\u003eRelative humidity tolerance: 5-95% non-condensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Slots\u003c\/td\u003e\n\u003ctd\u003e12 (universal I\/O modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Capacity\u003c\/td\u003e\n\u003ctd\u003e24 A at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003ePanel mount only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e483 x 339 x 221 mm (19.0 x 12.4 x 7.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.9 kg (13 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 °C (32 to 140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e15 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e2 g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Style\u003c\/td\u003e\n\u003ctd\u003eOpen style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Cases\u003c\/h2\u003e\n\u003cp\u003eThe 1771-A3B1 universal chassis is an essential infrastructure component in the Allen-Bradley PLC-5 systems. It is used in industrial automation applications for housing I\/O modules to handle analog, digital, and specialty signals, supporting process control, factory automation, and other control system environments requiring modular I\/O expansion.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":47809565753643,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_563601ac-0660-4fe5-bbc4-e79311adb25c.png?v=1723546295","url":"https:\/\/leadtime.ca\/products\/allen-bradley-1771-a3b1","provider":"LEADTIME","version":"1.0","type":"link"}