{"product_id":"din-rail-ac-ammeter-voltmeter-digital-display-20-500v-c45-2042va","title":"DIN Rail AC Ammeter \u0026 Voltmeter – Digital LED 20-500V 0-100A","description":"\u003ch2\u003eC45-2042VA DIN Rail AC Ammeter \u0026amp; Voltmeter – Digital LED Display\u003c\/h2\u003e\n\u003cp\u003eMonitor your electrical systems with confidence using the \u003cstrong\u003eC45-2042VA AC Ammeter and Voltmeter\u003c\/strong\u003e. This compact, DIN rail-mounted instrument delivers accurate, real-time AC voltage (20–500V) and current (0–100A) readings on a bright, high-definition LED display. Ideal for industrial, commercial, and residential electrical panels, it combines reliable performance with straightforward installation.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Measurement Range:\u003c\/strong\u003e Measures AC voltage from 20V to 500V and current from 0 to 100A — versatile enough for a broad range of electrical systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LED Display:\u003c\/strong\u003e High-definition screen with a wide viewing angle and large, easy-to-read digits for instant at-a-glance monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy DIN Rail Installation:\u003c\/strong\u003e Compact 85×50×37mm body designed for a 2P mounting position on a standard 35mm DIN rail — simple wiring, minimal setup time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Function:\u003c\/strong\u003e Simultaneously monitors both voltage and current, providing complete electrical visibility in one unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from high-quality PC flame-retardant and ABS material with strong impact resistance for long-term, dependable operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Suitable for industrial control panels, commercial electrical boards, and residential distribution boxes requiring real-time electrical monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC45-2042VA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePC (flame-retardant), ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 × 50 × 37 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 20–500V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–100A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital LED\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 35mm DIN Rail (2P position)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\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⚠️ This instrument is \u003cstrong\u003enot suitable\u003c\/strong\u003e for measuring 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\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 range does the C45-2042VA DIN rail ammeter\/voltmeter measure?\u003c\/h4\u003e\n\u003cp\u003eA: The C45-2042VA measures AC voltage from 20V to 500V and AC current from 0 to 100A, making it suitable for a wide variety of industrial, commercial, and residential electrical monitoring applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of DIN rail does this AC ammeter and voltmeter mount on?\u003c\/h4\u003e\n\u003cp\u003eA: It is designed for a standard 35mm DIN rail in a 2P mounting position. Installation is straightforward — simply snap it onto the rail and connect the wiring according to the clear labeling on the unit.\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 instrument is intended for standard AC sinusoidal circuits only. It should \u003cstrong\u003enot\u003c\/strong\u003e be used with non-sinusoidal inverters, soft starters, frequency converters, electric vehicles, batteries, or circuits that experience frequent starts, as doing so may damage the device.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the C45-2042VA require a separate power supply or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are required. The meter draws its operating power directly from the measured AC line, keeping installation simple and eliminating the need for an external power supply.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage and current range does the C45-2042VA DIN rail ammeter\/voltmeter measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The C45-2042VA measures AC voltage from 20V to 500V and AC current from 0 to 100A, making it suitable for a wide variety of industrial, commercial, and residential electrical monitoring applications.\"}}, {\"@type\": \"Question\", \"name\": \"What type of DIN rail does this AC ammeter and voltmeter mount on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is designed for a standard 35mm DIN rail in a 2P mounting position. 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