ABB REF543KB127AAAA Advanced Protection Relay Module
The ABB REF543KB127AAAA is a high-performance relay module engineered for precision control and monitoring in industrial automation systems. Designed to deliver reliable protection in demanding environments, it ensures operational safety for critical electrical circuits across manufacturing facilities and power distribution networks.
Technical Specifications
| Manufacturer | ABB |
| Model | REF543KB127AAAA |
| Rated Current | Up to 63A |
| Operating Voltage | 24-440V AC/DC |
| Protection Types | Short Circuit, Overload, Phase Failure |
| Certifications | CE, UL, CSA |
| Mounting | DIN Rail |
Applications & Compatibility
Ideal for motor control centers, power distribution panels, and industrial lighting systems. Compatible with ABB’s SACE Emax circuit breakers and ACS880 drives. Provides critical protection in manufacturing plants, water treatment facilities, and energy infrastructure where electrical fault prevention is paramount.
Why Choose Apex Automation?
Founded in 2014, Apex Automation delivers ready-to-ship industrial solutions with expert technical support. Our engineers provide personalized configuration guidance and 1-year performance warranty on all components. For pricing details or alternative models:
Can’t find your required model? Our inventory updates daily – inquire about availability!
There are no reviews yet.