Allen-Bradley 193-EC2CB
Allen-Bradley 193-EC2CB
Allen-Bradley 193-EC2CB
Allen-Bradley 193-EC2CB
Allen-Bradley 193-EC2CB
Allen-Bradley 193-EC2CB
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supplies verified Allen-Bradley motor protection hardware to maintain reliable overload monitoring, preserve equipment health, and prevent unexpected plant downtime.

193-EC2CB

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The 193-EC2CB features a modular design with communication options, diagnostic information, simplified wiring, and seamless integration into Logix technology, making the 193-EC2CB the ideal overload relay for automation systems.
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Technical specifications for 193-EC2CB

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    193-EC2CB
  • Product Family:
    Bulletin 193
  • Product Type:
    Electronic Overload Relay
  • Stock:
    1
  • Current Adjustment Range:
    5...25 A
  • Compatible Contactor Size:
    Bulletin 100-C09 to 100-C23
  • Nominal Operating Voltage:
    600V (NEMA) / 690V (IEC)
  • Trip Class:
    Adjustable: 5...30
  • Ground Fault Protection:
    Internal Sensor; Low-level (1...5 A)
  • Thermistor Support:
    PTC Thermistor Monitoring
  • Integrated I/O:
    4 Inputs / 2 Outputs
  • Communication:
    DeviceNet™ Ready
  • Weight:
    0.45 kg
  • Estimated shipping dimensions:
    4.5x12.6x11.5 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Compatibility & Interoperability Operating Environment

Features:

  • Functions as the Core Overload Protection Interface Between Motor Control Systems and Automation Networks
  • Integrates Advanced Sensing Technology with Modular Communication and Control Capabilities
  • Performs in Coordination with Bulletin 100 Contactors and Logix-Based Control Architectures
The Allen-Bradley 193-EC2CB Electronic Overload Relay operates as the E3 Plus overload protection module within the E300/E200 relay system, providing reliable motor protection across industrial automation applications. It continuously monitors motor current within its 5…25 A adjustment rating range and delivers precise overload detection to safeguard motor control circuits operating with Bulletin 100 Contactor Size C09…C23. Seamless integration into Logix technology is standard with the 193-EC2CB, while its modular design allows flexible configuration with sensing and communication modules to tailor the electronic overload for exact application requirements. The 193-EC2CB has incorporated significant advancements over traditional overload relay designs, including internal ground fault sensing capability and intelligent DeviceLogix™ component technology.

The 193-EC2CB provides essential protection functions critical to motor control applications, and is a vital component of the automation path, directly affecting the safe, reliable operation of the overall motor management system. One 193-EC2CB control module is configured per motor circuit depending on the desired protection level. The 193-EC2CB integrates seamlessly within the three-module E300/E200 relay assembly and is always positioned as the central control element between the sensing module and optional communication module.

For enhanced motor protection applications, the 193-EC2CB system supports additional accessories and module configurations to expand functionality. In addition to standard overload protection, the 193-EC2CB also performs advanced diagnostic monitoring. The 193-EC2CB protection configuration executes fault detection using the internal ground fault sensor specified in the E3 Plus options. Using this method, the 193-EC2CB continually monitors the health of motor circuits for low-level ground faults (1…5 A). If the 193-EC2CB detects that the motor circuit is experiencing abnormal current conditions or thermal stress outside configured protection parameters, it will automatically initiate protective shutdown and generate diagnostic information for the control system.

The 193-EC2CB Allen-Bradley Electronic Overload Relay may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 193-EC2CB Electronic Overload Relay Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 193-EC2CB Electronic Overload Relay Specs

General

  • Manufacturer Allen-Bradley
  • Model 193-EC2CB
  • Condition New Original ready stock
  • Product Family 193-EC2PB,193-EC2AB,193-EC2BB
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Motor Control Centers (MCCs): Integrated into networked systems for remote monitoring and diagnostics.
  • Three-Phase Motor Protection: Protecting motors against overload, phase loss, and current imbalance.
  • Industrial Pumps and Fans: Useful in scenarios requiring adjustable trip classes (5–30) to handle different startup loads.
  • VFD Multi-Motor Applications: Compatible with Variable Frequency Drives within a frequency range of 20–250 Hz.
  • Network Protocols: Natively supports DeviceNet for integration into Rockwell Automation Logix technology.
  • Contactors: Designed for use with Allen-Bradley Bulletin 100-C contactors.
  • Software: Can be programmed and monitored using RSNetWorx.
  • Voltage Ratings: Supports a nominal NEMA operating voltage of 600V and IEC ratings of 690/1000V.
  • Ambient Temperature Compensation: The device includes ambient temperature compensation to maintain trip accuracy across varying industrial temperatures.
  • Electromagnetic Compatibility (EMC): Proper grounding is required to ensure EMC compliance during installation.
  • Isolation: Features isolated N.C. (Trip) and N.O. (Alarm) contacts, allowing application in circuits with different voltage levels up to 600V.
Description
The Allen-Bradley 193-EC2CB is a high-performance E3 Plus Electronic Overload Relay designed for sophisticated motor protection and diagnostic capabilities. This specific model features an adjustment rating of 5 to 25 A and is engineered for seamless integration with Bulletin 100-C contactors, specifically sizes C09 through C23. By combining internal current sensing with advanced solid-state electronics, the 193-EC2CB provides a compact yet powerful solution for monitoring and safeguarding critical motor circuits.

This 193-EC2CB unit is specifically designed to handle low-level internal ground faults (1 to 5 A), solving the problem of hidden insulation breakdowns that standard overloads often miss. In heavy-duty industrial environments where moisture or vibration can degrade motor windings, the 193-EC2CB detects these minor leakage currents before they escalate into catastrophic short circuits, preventing expensive motor burnouts and reducing unplanned downtime.

Furthermore, the 193-EC2CB incorporates PTC thermistor monitoring to address the issue of motor overheating caused by restricted airflow or high ambient temperatures. In application scenarios like clogged ventilation fans or overloaded conveyors, the 193-EC2CB monitors the motor's internal temperature directly. This solves the limitation of traditional current-only models, ensuring the motor is protected even when the electrical current appears normal but the physical heat is reaching dangerous levels.

Equipped with Series B DeviceLogix™ technology, the 193-EC2CB is ideal for decentralized automation tasks and two-speed motor protection. This makes the 193-EC2CB particularly effective for complex machinery like industrial mixers or cooling towers that require multiple operating speeds. It solves the challenge of complicated wiring and logic by allowing the overload relay to process local control commands, thereby simplifying the overall system architecture and improving response times during critical motor faults.
Alternative Names
193-EC2PB 193-EC2AB 193-EC2BB 193-EC2AD 193-EC2BD
Technical notes
The 193-EC2CB is an E3 Plus with internal ground fault sensor. It features an adjustment rating of 5…25 and is compatible with Bulletin 100 Contactor Size C09…C23.The 193-EC2CB solves the problem of unreliable motor protection by providing low-level (1…5 A) internal ground fault protection, ensuring sensitive detection of electrical faults that could damage expensive motor equipment.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What are the key features of the 193-EC2CB?
The 193-EC2CB offers a modular design, communication options, diagnostic feedback, simplified wiring, and seamless integration with Logix-based control systems. These features make it highly adaptable for a wide range of automation applications.
How is the 193-EC2CB structured?
The relay consists of three main modules: sensing, control, and communication. Each module can be selected and configured based on application requirements, allowing users to customize the relay. The communication module determines whether the device functions as an E300 or E200 overload relay.
What protection capabilities does this relay provide?
The relay is designed to protect motors from overload conditions and ground faults. It includes low-level ground fault detection (1–5 A), enabling early identification of electrical issues that could damage motor equipment.

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