{"product_id":"allen-bradley-1492-j4-feed-through-terminal-block","title":"Allen-Bradley 1492-J4 Feed-Through Terminal Block","description":"\u003ch2\u003eAllen-Bradley 1492-J4 Feed-Through Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen‑Bradley 1492‑J4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1492‑J4\u003c\/strong\u003e feed‑through terminal block, operates as a single‑tier screw‑connection component for conductor routing and panel‑level terminations within industrial control assemblies.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1492‑J4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eAllen‑Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eIndustrial control wiring systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eStandard terminal‑block mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e6.1 mm × 60 mm × 39.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e–50 deg C to +120 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003ePassive component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e4 mm² feed‑through terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e600 V (UR\/CSA), 800 V (IEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e35 A (UR), 25 A (CSA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWire Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e22–10 AWG (UR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eScrew connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eGrounding and feed‑through terminal blocks contribute to stable reference potentials for Allen‑Bradley PLC and network modules. The mechanical stability of the 35 mm DIN rail mount supports consistent conductor retention under vibration, reducing noise coupling into Profinet and EtherNet\/IP deterministic networks. Proper termination practices help maintain shield continuity and minimize transient disturbances on high‑speed industrial Ethernet cabling.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the terminal block support both solid and stranded conductors?\u003c\/strong\u003e A: Yes. The screw‑clamp design accommodates 22–10 AWG conductors within the rated current limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the block suitable for high‑temperature cabinets?\u003c\/strong\u003e A: Yes. It supports operation from –50 deg C to +120 deg C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the terminal block require a specific DIN rail profile?\u003c\/strong\u003e A: No. It mounts on standard 35 mm DIN rail.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the DIN rail is bonded to the cabinet’s protective earth.\u003c\/li\u003e\n\u003cli\u003eTighten screw connections to manufacturer torque recommendations to prevent loosening under vibration.\u003c\/li\u003e\n\u003cli\u003eMaintain conductor insulation clearances to avoid accidental contact with adjacent terminals.\u003c\/li\u003e\n\u003cli\u003eRoute high‑current conductors separately from signal wiring to reduce noise coupling.\u003c\/li\u003e\n\u003cli\u003eVerify continuity after installation using panel‑level test equipment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44143278424138,"sku":"1492-J4","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1492-J4_1.png?v=1788256395","url":"https:\/\/www.topbrandsplc.com\/products\/allen-bradley-1492-j4-feed-through-terminal-block","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}