Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | ABB GJR5252300R3101 07AC91F |
| Manufacturer | ABB |
| Product Category | Motor Protection Relay |
| Rated Voltage | 24-240V AC/DC |
| Current Range | 0.5-100A (adjustable) |
| Protection Functions | Overload, Phase Loss, Locked Rotor, Ground Fault |
| Control Outputs | 4x Relay, 1x Analog (4-20mA) |
| Communication | Modbus RTU (RS485), PROFIBUS DP (optional) |
| Display | Graphical LCD with backlight |
| Operating Temperature | -20°C to +60°C |
| Protection Rating | IP54 (front panel) |
| Dimensions | 96x96x95 mm (panel-mounted) |
| Certifications | CE, UL, IEC 60947 |
ABB GJR5252300R3101 07AC91F
Product Introduction
The ABB GJR5252300R3101 07AC91F is an advanced motor protection relay designed for comprehensive protection and monitoring of three-phase motors in industrial applications. This intelligent device combines precise measurement capabilities with adaptive protection algorithms to ensure optimal motor performance and longevity.
Featuring a graphical LCD interface and multiple communication options, this protection relay provides real-time monitoring of motor parameters while offering reliable protection against electrical and mechanical faults. Its compact design and easy configuration make it suitable for both standalone applications and integration into larger automation systems.
Core Advantages and Technical Highlights
Comprehensive Motor Protection:
Thermal overload protection with adjustable trip class (5-30)
Phase loss and imbalance detection prevents motor damage
Ground fault protection (50/51G) for enhanced safety
Start-up supervision with adjustable stall time
Advanced Monitoring and Control:
Real-time current measurement (0.5-100A range)
Motor run-time counter for maintenance scheduling
Energy consumption monitoring
Programmable relay outputs for flexible control
4-20mA analog output for process integration
User-Friendly Operation:
Graphical LCD display with intuitive menu navigation
Multilingual interface for global applications
Front-mounted USB port for configuration backup
Quick setup wizards for common applications
Robust Industrial Design:
Wide operating temperature range (-20°C to +60°C)
IP54 front panel protection against dust and moisture
Vibration-resistant construction (2g @ 10-150Hz)
Typical Application Scenarios
The ABB GJR5252300R3101 07AC91F is widely used in:
Industrial Pumps and Fans:
Protects against overload and phase loss in HVAC systems
Monitors motor performance in water treatment plants
Conveyor Systems:
Prevents damage from locked rotor conditions
Provides early warning of mechanical issues
Compressors and Mixers:
Guards against thermal overload in continuous operation
Detects phase imbalances in heavy-duty applications
Manufacturing Equipment:
Integrated into machine safety systems
Provides motor diagnostics for predictive maintenance
Mining Operations:
Protects motors in harsh environmental conditions
Monitors vibration and temperature trends
ABB GJR5252300R3101 07AC91F
Related Model Recommendations
ABB GJR5252300R0101 – Basic version with reduced functionality
ABB GJR5252300R2101 – Intermediate version with Ethernet
ABB MS116 – Compact motor starter with integrated protection
ABB EMAX2 – Circuit breaker with motor protection
ABB ACS880 – Drive with built-in motor protection
ABB CP600 – HMI for motor monitoring
Installation and Commissioning
Installation Guidelines:
Mount on standard 96x96mm panel cutout
Ensure proper CT installation and wiring
Verify voltage supply matches device rating
Maintain minimum clearance for heat dissipation
Commissioning Steps:
Set motor rated current and protection parameters
Configure relay outputs for desired functions
Set up communication parameters (if used)
Test protection functions via simulation
Document all settings for future reference
Maintenance Recommendations:
Periodically verify protection settings
Check CT connections for tightness
Monitor motor operating hours for maintenance
Keep firmware updated to latest version
Clean display and ventilation openings regularly
Service and Warranty
ABB provides:
Standard 3-year warranty covering manufacturing defects
Global technical support through ABB service network
On-site service options for critical applications
Software updates for performance enhancements
Comprehensive documentation including manuals and certificates
The ABB GJR5252300R3101 07AC91F represents ABB’s commitment to reliable motor protection and industrial safety, combining advanced technology with user-friendly operation for optimal system performance.
