Description
ABB REF542 plus HM Protection Relay – Reliable Power Safety
Reliable power system protection with modular design and advanced communication capabilities.
| Brand | ABB |
| Model | REF542 plus |
| Voltage | 48V DC |
| Country of Origin | Switzerland |
| Weight | 1.5 kg |
| Dimensions | 210 mm x 150 mm x 50 mm |
| Warranty | 2 years |
| Certifications | IEC 60255, UL, CE |
| SKU / MPN | 1VCR000123 |
| What’s in the box | Protection relay unit, mounting kit, manual, optional communication module |
| Input Voltage | 48V DC |
| Frequency | 50/60 Hz |
| Communication Port | Modbus RTU, Ethernet |
| Protection Functions | Overcurrent, earth fault, undervoltage |
| Display | LCD, 4 lines |
| Operating Temperature | -25°C to +70°C |
Key benefits: Enhanced safety, easy configuration, robust performance in harsh environments.
Typical applications: Distribution substations, industrial power systems, utility grids.
Order number: ABB REF542 plus HM Protection Relay – Reliable Power Safety
Lifecycle: Active
Documentation: User manual, datasheet, application guide (available on ABB website)
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Mark O. –
Good transaction! The item arrived well-protected. Tested under load, no issues.