{"product_id":"allen-bradley-1794-tb32s-spring-clamp-terminal-base-module","title":"Allen-Bradley 1794-TB32S Flex I\/O Spring-Clamp Terminal Base","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 1794-TB32S is a high-density, 32-point spring-clamp terminal base unit designed for the Allen-Bradley Flex I\/O 1794 modular platform. This unit serves as the physical and electrical interface for high-density Flex I\/O modules, providing a robust termination plane for field wiring. Its spring-clamp (cage clamp) design utilizes constant-force internal springs, offering superior resistance to vibration and thermal cycling compared to traditional screw terminals, which reduces maintenance requirements and prevents loose-wire faults.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e32-point high-density spring-clamp termination for efficient field wiring.\u003c\/li\u003e\n\u003cli\u003eVibration-resistant cage clamp design eliminates the need for periodic retightening.\u003c\/li\u003e\n\u003cli\u003eIntegrated Flexbus backplane pass-through for seamless data and logic power distribution.\u003c\/li\u003e\n\u003cli\u003eMechanical rotatable keyswitch to prevent incorrect module insertion and protect sensitive I\/O circuitry.\u003c\/li\u003e\n\u003cli\u003eSupports daisy-chaining of field-side power distribution.\u003c\/li\u003e\n\u003cli\u003eCompact, open-style design for DIN-rail mounting in space-constrained control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis terminal base is intended for use in industrial automation systems requiring high-density I\/O configurations. It is compatible with various 32-channel Flex I\/O modules, including sourcing output modules and high-density input cards, making it suitable for distributed control systems, machine control, and process automation environments.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-TB32S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSpring-Clamp (Cage Clamp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Points\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e31.2 V AC \/ V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Current Rating\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size Capacity\u003c\/td\u003e\n\u003ctd\u003e0.34 to 3.3 mm squared (22 to 12 AWG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 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\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN-Rail (Horizontal or Vertical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the DIN-rail is securely mounted and grounded according to local electrical standards.\u003c\/li\u003e\n\u003cli\u003eBefore inserting an I\/O module, set the mechanical keyswitch on the base to the position corresponding to the specific I\/O module type.\u003c\/li\u003e\n\u003cli\u003eAlways power down the Flex I\/O system before installing or removing modules from the terminal base to prevent electrical arcing or damage to the backplane.\u003c\/li\u003e\n\u003cli\u003eUse appropriate wire ferrules for stranded conductors to ensure a secure connection within the spring-clamp terminals.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module for heat dissipation and cable routing.\u003c\/li\u003e\n\u003cli\u003eRoute field wiring away from high-voltage AC lines and noise-generating equipment to minimize EMI.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Does the 1794-TB32S require external power?\u003c\/strong\u003e\u003cbr\u003eA: The terminal base itself is a passive component that routes power and data from the Flexbus backplane. Field-side power is supplied through the terminal connections as required by the specific I\/O module installed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this with any Flex I\/O module?\u003c\/strong\u003e\u003cbr\u003eA: The 1794-TB32S is designed for high-density 32-point modules. Always verify compatibility with your specific I\/O module catalog number before installation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44656497852504,"sku":"1794-TB32S","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_1a9f58c2-6424-40ba-a13e-b53403cf1326.jpg?v=1787674646","url":"https:\/\/www.industriaxplc.com\/ar\/products\/allen-bradley-1794-tb32s-spring-clamp-terminal-base-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}