DIN Rail AC Ammeter & Voltmeter – Digital LED AC 20-500V
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. Designed for industrial, commercial, and residential applications, this dual-function meter simultaneously displays AC voltage (20–500V) and AC current (0–100A) on a bright, high-definition LED screen — giving you real-time electrical data at a glance.
Made in Mainland China.
Key Features
- Dual Measurement: Reads AC voltage from 20–500V and AC current from 0–100A in a single, space-saving unit.
- Clear LED Display: High-definition screen with wide viewing angle and large, easy-to-read digits — no squinting required, even across the room.
- Quick DIN Rail Install: Compact 85×50×37mm body fits a standard 35mm DIN rail in a 2P mounting position. Simple wiring and clear model parameters make setup fast and straightforward.
- Wide Application: Ideal for monitoring AC voltage and current in distribution boards, control panels, and a broad range of industrial and commercial electrical systems.
- Durable Build: Constructed from high-quality PC flame-retardant material and ABS for strong impact resistance and long-term reliability.
- No Battery Required: Powered directly by the monitored circuit — no batteries needed.
Specifications
| Part Name | AC Ammeter / Voltmeter |
| Model | C45-2042VA |
| Material | PC (flame-retardant), ABS |
| Color | White |
| Dimensions | 85 × 50 × 37 mm |
| Voltage Range | AC 20–500V |
| Current Range | 0–100A |
| Mounting | 35mm DIN Rail (2P position) |
| Battery | Not required |
Package Contents
- 1× AC Ammeter / Voltmeter (C45-2042VA)
- 1× Current Transformer
Important Usage Notes
⚠️ This instrument is designed for standard sinusoidal AC circuits only. Do NOT use with batteries, electric vehicles, circuits with frequent starts, non-sinusoidal inverters, soft starters, or frequency converters — doing so may damage the instrument.
Colors in product images may vary slightly due to monitor brightness and lighting conditions. Minor measurement deviations (±tolerance) are normal.
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Frequently Asked Questions
Q: What voltage and current ranges does the C45-2042VA ammeter voltmeter support?
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 residential, commercial, and industrial electrical monitoring applications.
Q: How do I install this DIN rail ammeter voltmeter?
A: Installation is straightforward — simply snap the unit onto a standard 35mm DIN rail in the 2P mounting position, connect the wiring according to the clearly marked terminals, and attach the included current transformer around the monitored conductor. No tools or batteries are needed.
Q: Can I use this meter with an inverter or variable-frequency drive (VFD)?
A: No. This meter is designed exclusively for standard sinusoidal AC circuits. Using it with non-sinusoidal inverters, soft starters, frequency converters, or circuits with frequent starts can damage the instrument and will void its accuracy.
Q: Is the LED display easy to read from a distance?
A: Yes. The high-definition LED display features a wide viewing angle and large, bright digit segments, allowing accurate readings from across a control room or panel without needing to be directly in front of the unit.