{"product_id":"193-ec2cb-allen-bradley-e3-plus-solid-state-overload-relay","title":"193-EC2CB Allen-Bradley E3 Plus Solid-State Overload Relay","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 193-EC2CB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the primary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e193-EC2CB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSolid-State Overload Relay utilized to execute motor thermal overload modeling, internal ground fault sensing, and temperature circuit monitoring across DeviceNet platforms. The hardware processes phase current vectors and stator winding positive temperature coefficient (PTC) thermistor inputs, triggering programmed output contact state transitions when thermal limits or phase fault thresholds are exceeded.\u003c\/p\u003e\n\u003ch3\u003eCatalog Designation Breakdown\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e193: Bulletin catalog prefix for motor overload protection systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEC: Electronic overload relay with DeviceNet communication capability (E3 \/ E3 Plus family).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2: Hardware series identifier defining dual Form C outputs and internal sensor options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCB: Hardware subcode indicating a 5 to 25 A adjustment range for compatibility with Bulletin 100-C09 through 100-C23 contactor profiles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e193-EC2CB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOverload Class Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eE3 Plus Electronic Overload Relay\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAdjustment Current Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 25 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBulletins Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFits Bulletin 100 Contactor Size C09 to C23\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDiscrete Input Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 x 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRelay Output Contacts\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Form C (Normally Open\/Normally Closed contacts)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Control Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated Communication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDeviceNet, Group 2 Slave\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature, Operating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to +55 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTemperature, Storage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGround Fault Limits\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInternal sensing circuit enabled\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThermistor Trip Target\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePTC circuit resistance greater than 3400 Ohm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12.2 cm x 4.4 cm x 5.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.28 kg (0.62 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndustrial Communication Integration and Velocity Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe integration with DeviceNet networks permits remote programming and real-time monitoring of critical diagnostic data registers. By deploying the device over Profinet \/ EtherNet\/IP deterministic networks through bridging interfaces, engineers can streamline backplane bus communication velocity licenses across larger plant control architectures. Full firmware flash compatibility allows local operational profiles to stay matched with the controller assembly during changes in I\/O density scaling, preventing communication latency and ensuring fast phase loss protection loops.\u003c\/p\u003e\n\u003ch3\u003eLogistics Packaging Inventory\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 Allen-Bradley 193-EC2CB Solid-State Overload Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 Contactor Mechanical Connection Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 DeviceNet Terminal Connector Block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Wiring and Installation Directives\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eContactor Integration Procedure\u003c\/p\u003e\n\u003cp\u003eAlign and slide the overload terminal pins directly into the load-side screw clamps of the Bulletin 100-C09 to 100-C23 contactor. Torque all terminal screws to specification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensor Cable Separations\u003c\/p\u003e\n\u003cp\u003eRoute the low-voltage 24 VDC discrete inputs and PTC thermistor lines in separate pathways from the high-voltage AC motor conductors to avoid capacitive noise coupling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNetwork Communication Hookup\u003c\/p\u003e\n\u003cp\u003eConnect the DeviceNet network tap to the front terminal header. Ensure a terminal resistor is placed at the end nodes of the physical network segment to prevent signal reflections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this solid-state overload relay support direct hot-swapping under full motor load?\u003c\/p\u003e\n\u003cp\u003eNo, disconnecting the control power or line connections while the motor is running is prohibited and can cause arcing and controller system faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat physical action occurs when the PTC thermistor resistance rises above 3400 Ohm?\u003c\/p\u003e\n\u003cp\u003eThe relay triggers an immediate trip of the Form C contacts or sets the Warning Status PTC bit based on configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the trip current adjusted on this model, and what is its standard trip threshold?\u003c\/p\u003e\n\u003cp\u003eAdjust the current using the front dial to match the motor rating; the default trip point occurs at 120% of the dial setting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this device require external current transformers to monitor currents within the 5 to 25 A range?\u003c\/p\u003e\n\u003cp\u003eNo, the module features built-in internal current sensors that measure line currents directly up to its 25 A rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat specific diagnostics are displayed on the dual LED status array?\u003c\/p\u003e\n\u003cp\u003eThe TRIP\/WARN indicator flashes codes for Ground Fault, Jam, or Phase Loss, while the Net LED indicates DeviceNet connection status.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the Form C relay contacts operate using different voltage ratings?\u003c\/p\u003e\n\u003cp\u003eThe control inputs operate on 24 VDC, but the auxiliary contacts must be wired within the limits specified in the technical manual.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the internal ground fault detection circuit calibrated inside the software parameter list?\u003c\/p\u003e\n\u003cp\u003eConfigure the trip delay and current limit values in the DeviceNet configuration software to align with your facility's ground fault limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the response of the thermal warning bit when the motor approaches its trip state?\u003c\/p\u003e\n\u003cp\u003eThe bit is set when the calculated thermal capacity utilization exceeds the programmed thermal warning level (0 to 100% TCU).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066460164269,"sku":"193-EC2CB","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/193-EC2CB3.jpg?v=1784022365","url":"https:\/\/www.maxwellplc.com\/ga\/products\/193-ec2cb-allen-bradley-e3-plus-solid-state-overload-relay","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}