Description
ABB Motor Protection Relay REX521GHHGLH50G for Motor Safety
The ABB REX521GHHGLH50G is a comprehensive motor protection relay offering advanced monitoring and control for critical motor applications, ensuring maximum uptime and safety through precise protection algorithms and robust communication capabilities.
| Brand | ABB |
| Model | REX521GHHGLH50G |
| Voltage | 100-240V AC/DC |
| Country of Origin | Finland |
| Weight | 2.5 kg |
| Dimensions | 177 x 177 x 130 mm |
| Warranty | 2 years |
| Certifications | UL, CE, CSA, IEC 60255, IEC 61000 |
| SKU / MPN | REX521GHHGLH50G |
| What’s in the box | 1 x ABB REX521 relay, 1 x mounting bracket, 1 x terminal block cover, 1 x quick start guide, 1 x CD with documentation |
| Rated Insulation Voltage | 690V AC |
| Thermal Current Rating | 5A continuous, 50A for 1s |
| Protection Functions | Overload, phase failure, phase sequence, undercurrent, earth fault, stall, jam, start inhibit |
| Communication Protocol | Modbus RTU, Profibus DP (optional) |
| Operating Temperature Range | -25°C to +70°C |
| Enclosure Protection Rating | IP54 (front panel) |
Key benefits: Enhanced motor protection with multiple protection functions, easy integration via Modbus/Profibus, compact design for panel mounting, high reliability in harsh environments, and simplified commissioning with pre-configured settings.
Typical applications: Industrial motors in pumps, fans, compressors, conveyors, crushers, and mixers in sectors such as oil and gas, mining, water treatment, and manufacturing.
Order number: ABB Motor Protection Relay REX521GHHGLH50G for Motor Safety
Lifecycle: Active production, with planned support and spare parts availability for at least 10 years.
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. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.