ABB TB521-ARCNET Terminal Base
Description
ABB REX521GHHPSH07G Motor Protection Relay is a high-performance, multi-functional digital protection relay designed for motor and power system protection, control, and monitoring, part of the ABB Relion series compatible with the AC800M control platform.
| Specification | Value |
|---|---|
| Working Voltage | 10 to 35V DC |
| Rated Voltage | 24V DC |
| Rated Current | 1A |
| Operating Temperature Range | -25 to 60 degrees Celsius |
| Storage Temperature Range | -40 to 80 degrees Celsius |
| Reaction Time | ≤20ms |
| Protection Grade | IP67 |
| Safety Function | SIL 2/Ple Cat 4 |
Key Features:
- High-performance ARM Cortex-M4 processor with 160 MHz clock speed for fast data processing
- Comprehensive protection functions including overload, short circuit, ground fault, and stall protection
- Precise measurement of voltage, current, power, energy, and harmonic content
- Supports multiple communication protocols including Modbus for seamless system integration
- Flexible configuration of protection, measurement, and communication functions to meet custom requirements
- High anti-interference capability and compliance with international IEC standards for reliability
Applications:
- Industrial motor protection for pumps, fans, compressors, and machine tools
- Power system protection for generators, transformers, distribution lines, and substations
- Building automation for HVAC, lighting, and security systems
- Renewable energy infrastructure such as wind farm booster stations
Related Models:
- REX521 GHHPSH50G
- REX521GHHGSH51G
- REU615