The EATON XV-303-15-C00-A00-1B is a sophisticated and robust electronic motor protection relay, a key component within Eaton’s highly-regarded XV-300 series of advanced motor management devices. Designed specifically for the protection, control, and monitoring of three-phase AC induction motors, this digital relay replaces traditional thermal overload relays and combines a multitude of protective functions into a single, intelligent unit. Its primary mission is to safeguard motors against a comprehensive range of electrical and operational faults, including overload (with advanced thermal modeling), locked rotor, phase loss/unbalance, ground fault, jam, and undercurrent conditions. By continuously monitoring motor current, voltage (with optional VT input), and other derived parameters, the EATON XV-303-15-C00-A00-1B can initiate a precise trip or alarm before damage occurs, preventing costly motor failures and unplanned production downtime.
Beyond protection, this device serves as a powerful motor management tool. It provides detailed metering of essential parameters like current, voltage, power, power factor, energy consumption (kWh), and motor thermal capacity, offering valuable insights for energy management and preventive maintenance strategies. The suffix code -15-C00-A00-1Bspecifies its exact configuration, including current sensor type (likely 5A CT input), control voltage, communication options, and output relay arrangement. With its programmable logic functions and multiple digital inputs/outputs, the relay can execute complex control sequences (e.g., direct-on-line, star-delta) and integrate seamlessly into automation networks via built-in communication ports like Modbus RTU or Ethernet. For system designers and plant maintenance teams, the EATON XV-303-15-C00-A00-1B represents a future-proof investment that enhances motor reliability, optimizes energy usage, and provides deep diagnostic visibility into motor health.
Technical Specifications
Parameter Name
Parameter Value
Product Model
EATON XV-303-15-C00-A00-1B
Manufacturer
Eaton Corporation
Product Series
XV-300 Advanced Motor Protection Relay
Product Type
Digital Motor Protection Relay with Communication
Motor Compatibility
3-Phase AC Induction Motors
Current Input
5A secondary from Current Transformers (CTs) [denoted by suffix ‘-15’]
Voltage Input
Supported via optional potential transformers (PTs) for enhanced metering & protection
True RMS Phase Currents, Ground Current, % Thermal Capacity, Voltage, kW, kVAR, kVA, Power Factor, kWh, kVARh, Motor Run Time, Starts Counter
Control I/O
Typically includes multiple programmable digital inputs (for commands/status) and relay outputs (for trip, alarm, control)
Communication
Likely includes one or more serial ports (RS-485) for Modbus RTU protocol; suffix may indicate specific option
Display
Backlit LCD with user-friendly menu navigation
Power Supply
Wide-range AC/DC supply (e.g., 24-240V AC/DC, depending on suffix)
Operating Temperature
-25°C to +60°C (-13°F to +140°F)
Enclosure
DIN-rail mountable, compact design
Certifications
cULus, CE, RoHS
Key Features and Advantages
The EATON XV-303-15-C00-A00-1B stands out due to its advanced, adaptive thermal protection model. Unlike fixed-characteristic overload relays, it calculates motor heating in real-time based on actual current, accounting for cooling during off periods and prior starts. This precise modeling prevents nuisance tripping during legitimate high-inertia starts while providing optimal protection against sustained overloads, significantly extending motor life. Specialized functions like jam detection and phase unbalance protection offer an additional layer of defense against mechanical failures and supply-side issues that can quickly degrade motor insulation.
XVS-460-57MPI-1-1E
Comprehensive monitoring and diagnostic capabilities transform it from a protector into a management tool. The relay acts as a high-accuracy multi-function meter, providing data crucial for energy audits and identifying inefficient operating conditions. The detailed event log with time stamps captures the sequence of events leading to a trip, including pre-fault current values, which is invaluable for rapid root-cause analysis. Its programmable logic and flexible I/O allow customization of control schemes (e.g., auto-reset, two-wire control) and integration with external devices, reducing the need for additional relays and simplifying panel design.
Enhanced connectivity and ease of use are key benefits. The built-in Modbus RTU communication enables seamless integration into SCADA, PLC, or building management systems for remote monitoring, data logging, and centralized alarm management. The intuitive backlit LCD interface with plain-text menus allows for easy local configuration and real-time data viewing without a PC. The relay’s wide-range power supply and robust industrial design ensure reliable operation in diverse and demanding electrical environments. For engineers seeking to modernize motor control centers (MCCs), the EATON XV-303-15-C00-A00-1B offers a single-device solution that improves protection, provides actionable intelligence, and facilitates predictive maintenance.
Application Areas
The EATON XV-303-15-C00-A00-1B is engineered for the protection and management of critical motors across a wide range of industries. In water and wastewater treatment, it is essential for safeguarding large raw water intake pumps, high-service pumps, and aeration blowers, where motor failure can disrupt public utility services.
Within manufacturing and processing—such as food & beverage, chemicals, and plastics—it protects motors driving mixers, conveyors, extruders, compressors, and fans. Its jam protection is particularly useful for detecting blockages on conveyor lines. In commercial and institutional HVAC systems for large buildings, data centers, and hospitals, it manages critical chillers, cooling tower fans, and air handling units, with its metering supporting energy efficiency initiatives.
For mining and aggregate processing, the relay is deployed on crushers, ball mills, and heavy-duty conveyor drives that face high starting torque and abrasive conditions. In oil & gas operations, it protects pumps and compressor auxiliaries. Essentially, the EATON XV-303-15-C00-A00-1B is the ideal choice for any three-phase AC motor that is a significant asset, costly to repair or replace, and critical to continuous operation or process safety, particularly where energy monitoring and network connectivity are desired.
Related Products
EATON XV-303-01-C00-A00-1B: A variant with a «1A» CT input range, suitable for different current transformer secondary ratings.
EATON XV-302: A model in the same series with a slightly reduced feature set (e.g., fewer communication options or I/O points) for less complex applications.
EATON PKZ Motor Protection Relays: Another line of Eaton motor protection devices, often with a different form factor or feature focus.
Current Transformers (CTs): External sensors sized to the motor’s full-load current, providing the 5A secondary signal to the relay’s «-15» input.
Eaton EasySoft or XV-Soft Pro Software: PC-based configuration and monitoring tools for setting up protection parameters, logic, and retrieving data from the XV-303 relay.
EATON Communication Modules/Gateways: Additional hardware to connect the relay’s serial port to Ethernet networks if not already integrated.
EATON Motor Starters (e.g., DIL contactors): The contactors or soft starters that are controlled by the relay’s output contacts to switch the motor.
EATON Power Monitoring Systems: Higher-level systems that can aggregate data from multiple XV-303 relays for plant-wide energy and asset management.
Reviews
There are no reviews yet.
Be the first to review “EATON XV-303-15-C00-A00-1B XV-300 Advanced Motor Protection Relay” Отменить ответ
Reviews
There are no reviews yet.