{"product_id":"ac-ammeter-voltmeter-din-rail-digital-display-20-500v-100a","title":"AC Ammeter \u0026 Voltmeter DIN Rail Digital Display 20-500V 100A","description":"\u003ch2\u003eC45-2042VA AC Ammeter \u0026amp; Voltmeter – DIN Rail Digital Display\u003c\/h2\u003e\n\u003cp\u003eMonitor your electrical systems with confidence using the C45-2042VA AC Ammeter and Voltmeter. This compact, DIN rail-mounted dual-function meter delivers real-time AC voltage (20–500V) and current (0–100A) readings on a bright LED display — perfect for industrial panels, commercial switchboards, and residential distribution boxes.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Measurement:\u003c\/strong\u003e Simultaneously measures AC voltage from 20–500V and current from 0–100A, giving you complete at-a-glance visibility of your electrical circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Definition LED Display:\u003c\/strong\u003e Large, clear numerals with a wide viewing angle — read your data instantly, even from a distance or in low-light environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard DIN Rail Mount (35mm):\u003c\/strong\u003e Designed for a 2P mounting position on a standard 35mm DIN rail. Straightforward wiring and clear labelling make installation quick and hassle-free.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for monitoring AC voltage and current in industrial, commercial, and residential electrical systems — ensuring real-time data for safe, informed operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Housing made from high-quality PC flame-retardant and ABS material, offering strong impact resistance and long-term reliability in demanding environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e AC Ammeter \/ Voltmeter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e C45-2042VA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PC (flame-retardant), ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 85 × 50 × 37 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e AC 20–500V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Range:\u003c\/strong\u003e 0–100A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e LED Digital Display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35mm DIN Rail (2P position)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Required:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × AC Ammeter \/ Voltmeter (C45-2042VA)\u003c\/li\u003e\n  \u003cli\u003e1 × Current Transformer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ This meter is NOT suitable for:\u003c\/strong\u003e batteries, electric vehicles, circuits with frequent starts, non-sinusoidal inverters, soft starters, or frequency converters. Use outside these parameters may cause instrument damage.\u003c\/p\u003e\n\u003cp\u003eDisplayed color may vary slightly due to monitor brightness and ambient lighting. Please allow for minor manual measurement tolerance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage and current ranges does the C45-2042VA AC Ammeter Voltmeter measure?\u003c\/h4\u003e\n\u003cp\u003eA: The C45-2042VA measures AC voltage from 20V up to 500V and AC current from 0 to 100A. It is designed for standard sinusoidal AC circuits in residential, commercial, and industrial applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this DIN rail ammeter voltmeter compatible with a standard 35mm DIN rail?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The C45-2042VA is specifically designed for a standard 35mm DIN rail (2P mounting position), making it easy to snap into existing electrical panels and distribution boards without any special tools or adapters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this meter be used with inverters, soft starters, or frequency converters?\u003c\/h4\u003e\n\u003cp\u003eA: No. This meter is designed exclusively for standard sinusoidal AC circuits. It should NOT be used with batteries, electric vehicles, circuits with frequent starts, non-sinusoidal inverters, soft starters, or frequency converters, as this may damage the instrument.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the AC digital meter require an external power supply or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are required. The meter is powered directly from the monitored AC circuit, and a current transformer is included in the package for current measurement.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage and current ranges does the C45-2042VA AC Ammeter Voltmeter measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The C45-2042VA measures AC voltage from 20V up to 500V and AC current from 0 to 100A. 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