{"product_id":"allen-bradley-800t-j44a-bulletin-800t-key-operated-selector-switch","title":"Allen-Bradley 800T-J44A Bulletin 800T Key-Operated Selector Switch","description":"\u003ch2\u003eAllen-Bradley 800T-J44A Bulletin 800T Key-Operated Selector Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 800T-J44A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e800T-J44A\u003c\/strong\u003e key-operated selector switch, operates as a dedicated hardware component for manual control signal switching within industrial control circuits. The device provides maintained three-position key operation with 1 NO and 1 NC contact configuration.\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\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e800T-J44A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eKey-Operated Selector Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBulletin 800T Heavy-Duty Industrial Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30.5 mm mounting hole diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive electromechanical device, no external power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperator Type\u003c\/td\u003e\n\u003ctd\u003eNon-illuminated key-operated selector switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e3 maintained positions (Left \/ Center \/ Right)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003e1 NO + 1 NC contact block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Block Type\u003c\/td\u003e\n\u003ctd\u003e1 x 800T-XA standard contact block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCam Type\u003c\/td\u003e\n\u003ctd\u003eKB7 Cam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e10 A continuous thermal current, A600 \/ P600 NEMA rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA Type 4, 13; IP66 dust-tight, water-tight, oil-tight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty die-cast zinc alloy with chrome plating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew terminals with pressure plates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey Removal Position\u003c\/td\u003e\n\u003ctd\u003eKey removal position according to configured selector arrangement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperator Action\u003c\/td\u003e\n\u003ctd\u003eMaintained mechanical switching action\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Industrial Control Interface Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley Bulletin 800T-J44A is a physical operator device that provides direct mechanical contact actuation for industrial control circuits. The maintained selector mechanism changes electrical contact states through cam-driven operation without requiring firmware, network addressing, or communication configuration.\u003c\/p\u003e\n\u003cp\u003eThe device integrates with Allen-Bradley control panels where manual operator commands are transmitted through conventional hardwired input circuits. Its contact block configuration supports discrete signal handling for PLC input channels, relay logic, and machine control interfaces.\u003c\/p\u003e\n\u003cp\u003eThe selector mechanism uses a KB7 cam arrangement to define contact transitions across three operating positions. The oil-tight enclosure construction supports installation in industrial environments requiring protection against dust, water, and oil exposure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 800T-J44A require an external power supply for operation?\u003cbr\u003eA: No. The 800T-J44A is a passive electromechanical selector switch. It changes contact states through mechanical key rotation without requiring electrical power.\u003c\/p\u003e\n\u003cp\u003eQ: Can the contact configuration be modified after installation?\u003cbr\u003eA: The installed 800T-XA contact block defines the available NO and NC circuits. Modification requires compatible Bulletin 800T accessories and proper panel isolation procedures.\u003c\/p\u003e\n\u003cp\u003eQ: Is the selector switch compatible with PLC digital input circuits?\u003cbr\u003eA: Yes. The 1 NO and 1 NC dry contact outputs can interface with PLC digital input circuits when voltage and current limits are maintained within system design requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the selector switch through a compatible 30.5 mm panel mounting hole with proper mechanical retention.\u003c\/li\u003e\n\u003cli\u003eVerify panel thickness and mounting hardware engagement before final tightening.\u003c\/li\u003e\n\u003cli\u003eRoute control wiring separately from high-current conductors to reduce electrical interference.\u003c\/li\u003e\n\u003cli\u003eTerminate screw connections using appropriate torque procedures to prevent loose contact conditions.\u003c\/li\u003e\n\u003cli\u003eConnect protective grounding according to the enclosure and panel grounding design.\u003c\/li\u003e\n\u003cli\u003eMaintain cable separation between operator circuits and power switching circuits.\u003c\/li\u003e\n\u003cli\u003eVerify contact transition states using continuity testing before energizing the control system.\u003c\/li\u003e\n\u003cli\u003eConfirm key removal operation matches the required machine safety sequence before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AMPHENOL","offers":[{"title":"Default Title","offer_id":43914392895578,"sku":"800T-J44A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/800T-J44A2.jpg?v=1787731537","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-800t-j44a-bulletin-800t-key-operated-selector-switch","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}