Home/ABB/ABB REF545KB133AAAA – High-Performance Protective Relay Module
ABB REF545KB133AAAA – High-Performance Protective Relay Module
Product Status: New Original
Delivery Time: Spot products ship within 24 hours post-order, others based on actual lead times
Warranty: 1 Year comprehensive coverage
Core Products: Modules, interface cards, controllers, CPU boards, touchpanels, servo drives, and obsolete component solutions
Pricing: Request quotes via WhatsApp or Email
Phone: +86 19066591275
Email: abbdcs36@gmail.com
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ABB REF545KB133AAAA Protective Relay Module
Key Parameters
Brand: ABB
Model: REF545KB133AAAA
Type: Protective Relay System
Rated Voltage: Up to 11 kV
Protection Class: 5P20
Communication: Modbus, Ethernet/IP
Certifications: IEC 61008, IEC 61508
Core Features
- Advanced fault detection for overcurrent/short circuit protection
- Dual communication interfaces for system integration
- IP20-rated rugged construction
- Real-time monitoring with event logging
- Compatible with ABB System 800xA
Applications
Ideal for power distribution systems in:
- ⚡ Oil & Gas Substations
- 🏭 Industrial Power Grids
- 🌍 Renewable Energy Plants
- 🏗️ Smart Building Infrastructure
Why Choose Cynosure Tech Automation?
Global Support
24/7 technical assistance & 1-year warranty
Fast Delivery
DHL/UPS/FedEx global shipping
Our Product Portfolio
Control Systems
- • ABB/GE DCS Modules
- • Rockwell/Emerson PLCs
- • Triconex Safety Systems
Motion Control
- • KUKA/Rexroth Drives
- • Yaskawa Servo Motors
- • Woodward Governors

In the dynamic world of international trade, Cynosure Tech Automation stands out as a leading provider of high-quality automation equipment modules. Specializing in PLC control systems, DCS control systems, large servo control systems, and robot control systems spares, we have carved a niche for ourselves in the global market.
Our vast inventory is a testament to our commitment to meeting diverse customer needs promptly. With a wide range of spare parts readily available, we ensure minimal downtime for your operations, regardless of your industry.
- Sales Excellence: Our experienced sales team is well-versed in the intricacies of each product line. They understand your requirements and offer tailored solutions, guiding you through the selection process to find the perfect fit for your application.
- Technical Expertise: Backed by a professional technical team, we provide comprehensive support. From installation guidance to troubleshooting, our experts are just a call away, ensuring seamless integration and operation of our systems.
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