Product Overview
ND3 series digital indicator lights convert analog signals in process control systems into digital display to indicate various parameters including current, voltage, frequency, and temperature. The products comply with IEC 60947-5-1 standard.
Main Features
- Digital display for various electrical parameters
- Measures current, voltage, frequency, and temperature
- LED display with ≥30000h lifespan
- Circular and square mounting options (22mm diameter)
- Multiple model types available (Voltmeter, Ammeter, Temperature, etc.)
- Complies with IEC 60947-5-1 standard
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Voltage | AC50V ~ AC500V |
| Rated Current | ≤50mA |
| Insulation Voltage | 660V |
| Impulse Voltage | 2.5kV |
| Led Lifespan | ≥30000h |
| Ip Rating | IP53 (circular), IP50 (square) |
| Voltage Range | AC50V±2% ~ AC500V±2% |
| Current Range | 0-100A |
| Frequency Range | 50Hz±2% ~ 60Hz±2% |
| Temp Range | -20℃±3℃ ~ 199℃±3℃ |
| Operating Temp | -25℃ ~ +70℃ |
| Altitude | ≤2000m |
| Standard | IEC 60947-5-1 |
Typical Applications
- Control panels
- Switchgear
- Distribution boards
- Machinery control systems
- Automation systems
- Process control and monitoring
Ordering Support
Available models include: Voltmeter (ND3-22V), Ammeter (ND3-22A), Temperature meter (ND3-22T), Current-Voltage meter (ND3-22AV), and more variants. Contact our sales team for model selection guidance.
Product Catalog
Please refer to the catalog images below for detailed specifications:


