ABB REF545KB133AAAA Protection & Control Relay Module
Need a reliable relay for critical power systems? The ABB REF545KB133AAAA delivers precision protection in substations and industrial plants. We’ve seen this module excel in demanding environments—from grid stabilization projects to factory automation upgrades.
Technical Details
| Brand | ABB |
| Model | REF545KB133AAAA |
| Voltage | 220V AC/DC |
| Current | 5A |
| Comm | Modbus RTU/Ethernet |
| Certifications | IEC 60255, IEEE C37.90 |
Real-World Applications
This relay shines in power infrastructure projects. A recent client used it to upgrade protection systems at a 132kV substation—reducing fault response times by 40%. Others deploy it in renewable energy setups, like a solar farm in Arizona where extreme temperatures tested its thermal resilience.
“We installed these in a retrofit project with legacy ABB control cabinets. The backward compatibility surprised us—no adapter plates needed!”
— Electrical Engineer, Midwest Utility Co.
Why Choose Our Inventory?
We maintain 16 regional warehouses across 6 countries, ensuring 95% same-day dispatch rates. Our engineers stockpile both current and obsolete ABB modules—like the 5SHY6545L0001 and PM866—for seamless system upgrades. Every unit comes with:
- 12-month performance guarantee
- Free technical documentation
- Worldwide shipping via DHL/FedEx
Get Pricing & Availability
Contact Linda via:
Visit our warehouse at:
AABB-WORLD, 235 Golden Horse St, Hong Kong
All products comply with RoHS/CE standards. Specifications subject to change based on manufacturer updates.
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