Description
Voltage Relay 3ph 3(N)AC Voltage Relay Model VMD423H-D-3
Reliable three-phase voltage monitoring relay designed for industrial and commercial electrical systems.
| Brand | Siemens |
| Model | VMD423H-D-3 |
| Voltage | 3-phase 3(N)AC, 380-480 V AC |
| Country of Origin | Germany |
| Weight | 0.5 kg |
| Dimensions | 90 x 72 x 65 mm (HxWxD) |
| Warranty | 2 years |
| Certifications | CE, UL, IEC |
| SKU / MPN | VMD423H-D-3 |
| What’s in the box | Voltage relay unit, mounting bracket, user manual |
| Operating Frequency | 50/60 Hz |
| Response Time | ≤ 200 ms |
| Operating Temperature | -20°C to +60°C |
| Contact Type | 1 changeover (SPDT) relay contact |
| Mounting Type | DIN rail mounting |
| Input Current | Not specified |
| Protection Class | IP20 |
Key benefits: Ensures reliable voltage monitoring and protection of three-phase electrical systems, preventing equipment damage due to overvoltage, undervoltage, phase failure, or phase sequence errors.
Typical applications: Industrial automation, motor protection, power distribution panels, and electrical control cabinets.
Order number: Voltage Relay 3ph 3(N)AC Voltage Relay Model VMD423H-D-3
Lifecycle: Active
Documentation: User manual and technical datasheet available upon request
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James P. –
Received the connectors and cables quickly. All items were as described.