Description
Voltage Relay 3ph 3(N)AC Voltage Relay Model VMD423-D-1
Reliable three-phase voltage monitoring relay designed for industrial electrical protection and control.
| Brand | Siemens |
| Model | VMD423-D-1 |
| Voltage | 3-phase 3(N) AC, 400 V ±20% |
| Country of Origin | Germany |
| Weight | 0.3 kg |
| Dimensions | 90 x 72 x 65 mm (HxWxD) |
| Warranty | 2 years |
| Certifications | CE, UL, IEC |
| SKU / MPN | VMD423-D-1 |
| 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 |
| Mounting Type | DIN rail |
| Contact Type | 1 changeover (SPDT) relay contact |
| Input Current | Not specified |
Key benefits: Provides accurate monitoring of three-phase voltages to protect electrical equipment from overvoltage, undervoltage, phase failure, and phase sequence errors, ensuring system reliability and safety.
Typical applications: Used in industrial automation, motor protection, power distribution panels, and control cabinets for monitoring three-phase power supply conditions.
Order number: Voltage Relay 3ph 3(N)AC Voltage Relay Model VMD423-D-1
Lifecycle: Active
Documentation: User manual and technical datasheet available on Siemens official website
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