ABB REF545KC133AAAA Protective Relay Module – Precision Power System Protection
The ABB REF545KC133AAAA Protective Relay Module delivers advanced electrical fault detection and robust protection for industrial power systems. Engineered for reliability in demanding environments, this compact relay combines cutting-edge diagnostics with seamless integration capabilities to safeguard critical equipment and ensure operational continuity.
Key Features
- 3-Phase Protection – Ensures comprehensive monitoring and fault detection for three-phase power systems.
- Wide Operating Voltage Range – Supports 208–690V AC for versatility across industrial applications.
- High Current Rating – Rated at 100A to handle demanding electrical loads.
- Advanced Communication – Integrated RS485 Modbus RTU interface for seamless system integration.
- Multifunctional Protection – Guards against overload, short circuit, phase unbalance, and earth fault conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | ABB REF545KC133AAAA |
| Power Requirements | 208–690V AC, 47–63Hz |
| Rated Current | 100A |
| Communication Interface | RS485 Modbus RTU |
| Protection Functions | Overload, Short Circuit, Phase Unbalance, Earth Fault |
Application Fields
Designed for industrial power systems, the REF545KC133AAAA excels in sectors requiring high-reliability protection, including:
- Power generation and distribution networks
- Manufacturing plants with heavy machinery
- Oil & gas facilities with hazardous electrical environments
- Renewable energy systems (solar, wind)
Our Featured Brands & Models
We specialize in premium industrial control solutions from global leaders, including:
- ABB: REF545 Series, DSQC Modules, PM866
- Allen Bradley: 1756, 1784 Series
- GE Fanuc: IC698CPE010, VMIVME Modules
- Schneider Electric: Modicon, Altivar Drives
- Bently Nevada: 3500/44, 3300 Series
Trust our expertise to deliver precision-engineered components that meet the highest standards of performance and durability. Contact us for tailored solutions to optimize your industrial systems.
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