DIN Rail AC Ammeter Voltmeter – Digital LED 20-500V 0-100A
DIN Rail AC Ammeter Voltmeter – Digital LED 20-500V 0-100A
DIN Rail AC Ammeter & Voltmeter – Digital LED Display, AC 20–500V / 0–100A
Monitor your electrical systems with confidence using this compact DIN Rail AC Ammeter and Voltmeter. Measuring AC voltage from 20–500V and current from 0–100A, this dual-function instrument delivers real-time, accurate readings on a bright, high-definition LED display — making it ideal for industrial panels, commercial installations, and residential electrical boards alike.
Key Features
- Dual AC Measurement: Simultaneously reads AC voltage (20–500V) and current (0–100A) for comprehensive electrical monitoring in a single device.
- High-Definition LED Display: Large, clear digits with a wide viewing angle allow instant, at-a-glance readings — even across a busy electrical panel.
- Standard DIN Rail Mount: Designed for a 2P position on a standard 35mm DIN rail — snap it in, wire it up, and you're running. No specialist tools required.
- Compact & Sturdy Build: Slim 85 × 50 × 37 mm form factor constructed from high-quality PC and ABS flame-retardant materials for long-term durability and impact resistance.
- Wide Application Range: Suitable for industrial, commercial, and residential AC electrical systems where continuous voltage and current monitoring is essential for safe operation.
Specifications
| Part Name | AC Ammeter / Voltmeter |
| Model | C45-2042VA |
| Material | PC, ABS (flame-retardant) |
| Color | White |
| Dimensions | 85 × 50 × 37 mm |
| Voltage Range | AC 20–500V |
| Current Range | 0–100A |
| Mounting Type | 35mm DIN Rail (2P position) |
| Display | Digital LED |
| Battery | Not required |
Package Contents
- 1 × AC Ammeter / Voltmeter (C45-2042VA)
- 1 × Current Transformer
⚠️ Important Usage Note
This instrument is designed for standard AC sinusoidal waveforms only. Do NOT use it to measure batteries, electric vehicles, circuits with frequent starts, non-sinusoidal inverters, soft starters, or frequency converters — doing so may damage the instrument.
Made in Mainland China.
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Frequently Asked Questions
Q: What voltage and current ranges does this AC ammeter voltmeter measure?
A: The C45-2042VA measures AC voltage from 20V to 500V and AC current from 0 to 100A, making it suitable for a wide range of single-phase AC electrical systems in residential, commercial, and industrial environments.
Q: How is this DIN rail ammeter voltmeter installed?
A: Installation is straightforward — the unit clips onto a standard 35mm DIN rail in a 2P mounting position. Simply snap it onto the rail, connect the included current transformer, and wire according to the labeled terminals. No special tools are needed.
Q: Can I use this meter with an inverter or variable frequency drive (VFD)?
A: No. This meter is designed for standard AC sinusoidal waveforms only. It should not be used with non-sinusoidal inverters, variable frequency drives (VFDs), soft starters, or circuits with frequent starts, as these may produce waveforms that can damage the instrument.
Q: Does the meter require an external power supply or batteries?
A: No external power supply or batteries are needed. The meter is powered directly from the AC line being measured (AC 20–500V), making setup clean and cable-free.