{"product_id":"allen-bradley-700-cf310ej-control-relay-contactor","title":"Allen-Bradley 700-CF310EJ Control Relay Contactor","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 700-CF310EJ\u003c\/strong\u003e , also cataloged as the \u003cstrong\u003e700-CF310EJ\u003c\/strong\u003e Control Relay Contactor, operates as a dedicated hardware component for low-voltage discrete circuit switching and logic interlock execution within industrial control panels.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e700-CF310EJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.90 lbs (0.41 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 700-CF industrial contactor footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC coil power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eContactors \u0026amp; Starters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e10 A thermal current limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003e3 NO \/ 1 NC (3 Normally Open \/ 1 Normally Closed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eStandard industrial silver-alloy contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe 700-CF310EJ control relay interfaces directly with 24 VDC discrete I\/O driver cards powered by Allen-Bradley PLC platforms. Onboard electronic coil suppression reduces inductive back-EMF transients, preventing voltage spikes from propagating through local power distribution buses or disrupting backplane bus communication velocity across adjacent PLC I\/O racks. Designed for high-frequency switching operations, the contactor provides reliable signal isolation and physical actuation while maintaining firmware flash compatibility and deterministic network response times within integrated automation cabinets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the coil actuation voltage requirement for the 700-CF310EJ control relay?\u003c\/p\u003e\n\u003cp\u003eA: The coil requires a dedicated 24 VDC control power source for full engagement and continuous hold operation.\u003c\/p\u003e\n\u003cp\u003eQ: Can auxiliary contact blocks be added to expand the contact configuration of the 700-CF310EJ?\u003c\/p\u003e\n\u003cp\u003eA: Yes, standard Allen-Bradley 700-CF front-mount and side-mount auxiliary contact blocks can be mechanically snapped onto the relay housing to expand the available contact configurations beyond the base 3 NO \/ 1 NC arrangement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIsolate and lock out all 24 VDC control supply power and high-voltage line feeds before installing or servicing the relay.\u003c\/li\u003e\n\u003cli\u003eSnap the contactor housing securely onto a standard 35 mm DIN rail or bolt directly to the enclosure mounting plate using screw fasteners.\u003c\/li\u003e\n\u003cli\u003eStrip control and power conductors to the specified length, inserting them into the heavy-duty screw terminals.\u003c\/li\u003e\n\u003cli\u003eTorque all terminal screws to the manufacturer-recommended torque rating to ensure low-resistance electrical connections and prevent thermal hot spots.\u003c\/li\u003e\n\u003cli\u003eVerify coil suppression polarity when connecting the 24 VDC control leads to prevent short circuits across DC power supplies.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52625804591384,"sku":"700-CF310EJ","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/80026-518-01_5__Cocoai_d30e84d6-80a8-4fd2-8181-223dedcfca5f.jpg?v=1788773148","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-700-cf310ej-control-relay-contactor","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}