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- - Allen‑Bradley 193-EEGE E1 Plus Solid State Motor Protection Overload Relay
    
    193-EEGE Overload Relay
    
    Product Overview
    
    The 193-EEGE is an enhanced self-powered solid-state electronic overload relay from Rockwell’s Bulletin 193 E1 Plus series, designed for three-phase AC motor protection. It directly mounts onto Bulletin 100-C60 to C97 IEC contactors, covering motor full-load current (FLA) from 18 A to 90 A (11–45 kW @ 415 VAC). This unit replaces traditional bi-metallic thermal relays with high-precision electronic current sensing, multi-selectable trip classes, dual reset modes and built-in fault diagnostics. It has been officially discontinued by Rockwell, available via surplus, refurbished and aftermarket spare partsRockwell Automation.
    
    Core Electrical Specifications
    
    Main Current & Motor Rating
    
    Adjustable current range: 18–90 A (5:1 wide adjustment ratio)
    
    Supported motor power: 11 kW min ~ 45 kW max at 415 VAC three-phase
    
    Rated operational voltage (Ue): 690 VAC
    
    Rated insulation voltage (Ui): 1000 VAC; Impulse withstand voltage Uimp: 6 kV
    
    Frequency: 50 / 60 Hz
    
    Trip & Protection Logic
    
    Selectable trip class via DIP switch: Class 10 / 15 / 20 / 30 (matches different motor starting characteristics)
    
    Phase loss protection: Trips within 3 seconds upon single-phase loss
    
    Ambient temperature compensation for consistent trip accuracy across cabinet temperature fluctuations
    
    Trip threshold: Relay trips at 120% of dial-set motor FLA
    
    Reset modes (switch selectable): Manual reset / Automatic reset
    
    Auxiliary Control Contacts
    
    1 Normally Closed (NC) trip contact (cuts contactor coil circuit on fault)
    
    1 Normally Open (NO) alarm contact (sends fault signal to PLC/HMI)
    
    Aux contact rating: 6 A resistive @ 250 VAC
    
    Wiring & Terminals
    
    Terminal type: Screw-clamp terminals
    
    Wire range: 0.75–4.0 mm² solid/stranded copper wire
    
    Recommended tightening torque: 1.4 N·m (12 lb-in)
    
    Mechanical & Environmental
    
    Mounting: Direct plug-on fit for 100-C60 ~ C97 IEC contactors; optional side-mount expansion modules
    
    Dimensions (H×W×D): 192.3 × 72 × 120.4 mm
    
    Weight: ~0.75 kg
    
    Protection rating: IP20 (indoor cabinet installation only)
    
    Operating temperature: -20 °C ~ +60 °C
    
    Storage temperature: -40 °C ~ +85 °C
    
    Humidity: 5%–95% non-condensing
    
    Front Panel Indicators & Buttons
    
    Red TRIP push button: Manual reset after overload trip
    
    Blue TEST button: Simulate overload trip for circuit commissioning test
    
    Status LED: Visual indication for normal running / overload / phase loss fault
    
    Trip dial: Rotary knob for precise motor FLA current setting
    
    Certifications
    
    UL/cUL, CE, CCC, RCM, DNV-GL, EAC; compliant with IEC 60947-4-1 / EN 60947-4-1Rockwell Automation
    
    Main Functions
    
    Multi-Level Motor Thermal Overload Protection
    
    Solid-state current sensors continuously monitor three-phase motor current to simulate motor winding thermal accumulation. Four adjustable trip classes adapt to standard motors, heavy-start compressors, long-start conveyor motors and high-inertia machinery, preventing winding burnout from sustained overload.
    
    Critical Phase Loss & Current Imbalance Protection
    
    Instantly detects single-phase power loss or severe three-phase current imbalance, triggering fast trip to eliminate uneven winding heating and permanent motor damage.
    
    Dual Reset Modes for Flexible Safety Logic
    
    Manual reset: Mandatory operator acknowledgment after trip, used for high-risk equipment (presses, cutting machines)
    
    Automatic reset: Auto-restores control circuit after cooling, suitable for low-risk fan/pump non-stop systems
    
    Built-in Test Function for On-Site Commissioning
    
    Front TEST button simulates overload fault without energizing the motor, verifying contactor interlock, PLC fault alarm and shutdown logic during cabinet wiring inspection.
    
    Dual Auxiliary Contact Signal Feedback
    
    NC contact breaks the contactor control circuit to cut motor power; NO alarm contact transmits fault status to PLC, HMI or audible alarm for remote monitoring and fault logging.
    
    Expandable Modular Protection (Optional Side-Mount Accessories)
    
    Supports side-mounted add-on modules to extend functions: ground fault leakage detection, motor stall/jam protection, PTC thermistor winding temperature monitoring, and DeviceNet communication for networked motor diagnostics.