Description
VMD421H-D-3 Voltage Relay 3-Phase 3(N)AC Model High Performance
Reliable and precise voltage monitoring for 3-phase electrical systems ensuring optimal performance and protection.
| Brand | VMD Electronics |
| Model | VMD421H-D-3 |
| Voltage | 3-Phase 3(N)AC, 380-480V AC |
| Country of Origin | Germany |
| Weight | 0.45 kg |
| Dimensions | 90 x 70 x 65 mm |
| Warranty | 2 years |
| Certifications | CE, UL, RoHS |
| SKU / MPN | VMD421H-D-3 |
| What’s in the box | Voltage relay unit, mounting screws, user manual |
| Operating Temperature | -20°C to +60°C |
| Response Time | Less than 100 ms |
| Contact Type | 3 Form C (changeover) contacts |
| Mounting | DIN rail mounting |
| Input Frequency | 50/60 Hz |
| Protection Class | IP20 |
| Display | LED status indicators |
Key benefits: Provides accurate voltage detection and protection for three-phase systems, preventing equipment damage due to overvoltage, undervoltage, phase loss, or phase imbalance.
Typical applications: Industrial automation, motor control centers, power distribution panels, and electrical protection systems in manufacturing plants and commercial buildings.
Order number: VMD421H-D-3 Voltage Relay 3-Phase 3(N)AC Model High Performance
Lifecycle: Active production with ongoing support and spare parts availability.
Documentation: User manual, wiring diagrams, and installation guide available for download.
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.
Steven R. –
Good quality sensor, accurate readings. Will order more for our production line.