{"product_id":"three-phase-4-wire-lcd-digital-energy-meter-ac400v-kwh","title":"3-Phase 4-Wire LCD Digital Energy Meter AC 400V 5-100A kWh","description":"\n\u003ch2\u003e3-Phase 4-Wire LCD Digital Energy Meter — AC 400V, 5–100A, 50Hz\u003c\/h2\u003e\n\u003cp\u003eMonitor and manage your three-phase electrical consumption with precision using this wall-mounted LCD Digital Energy Meter. Designed for industrial, commercial, and heavy-duty residential applications, this kWh meter delivers accurate, real-time electricity measurement across three-phase 4-wire systems operating at AC 400V and up to 100A. Its clear LCD display and compact DIN rail-compatible design make installation and daily monitoring straightforward and efficient.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Current Range:\u003c\/strong\u003e Rated at 5A with a maximum capacity of 100A — suitable for a broad range of three-phase loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC 400V \/ 50Hz Compatible:\u003c\/strong\u003e Engineered for standard three-phase 4-wire power systems at 400V, 50Hz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LCD Display:\u003c\/strong\u003e Large, easy-to-read digital screen shows real-time kWh energy consumption at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulse Output:\u003c\/strong\u003e 400 imp\/kWh pulse frequency with optical coupling isolation ensures accurate metering and safe signal transmission for automation or remote monitoring setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePulse LED Indicator:\u003c\/strong\u003e Built-in LED flashes with each pulse, providing a quick visual confirmation that the meter is operating correctly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN Rail Mounting:\u003c\/strong\u003e Standard 35mm DIN rail installation makes panel integration simple and secure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall-Mounted Design:\u003c\/strong\u003e Compact and sturdy form factor ideal for distribution boards, electrical panels, and control cabinets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required:\u003c\/strong\u003e Powered directly through the monitored circuit — no external battery needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eValue\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRated Voltage\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAC 400V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eFrequency\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e50Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRated Current\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMaximum Current\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e100A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePulse Frequency\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e400 imp\/kWh\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePulse Output\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOptical coupling isolation\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWiring Configuration\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3-Phase, 4-Wire\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDisplay\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eLCD Digital\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMounting\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e35mm DIN Rail \/ Wall-Mounted\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBattery\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNot required\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Three-Phase 4-Wire LCD Digital Energy Meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eActual color may vary slightly from product images due to lighting and screen differences.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a 1mm–1cm dimensional tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eInstallation should be performed by a qualified electrician in accordance with local electrical codes and safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on electrical safety and metering standards, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety resource\u003c\/a\u003e and refer to NIST Electricity Measurement standards for accuracy and compliance information.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of electrical system is this three-phase energy meter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This LCD digital energy meter is designed for AC 400V, 50Hz, three-phase 4-wire power systems. It is ideal for industrial panels, commercial buildings, and heavy-duty equipment circuits requiring accurate kWh consumption tracking.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How is this energy meter installed?\u003c\/h4\u003e\n\u003cp\u003eA: The meter supports standard 35mm DIN rail installation, making it straightforward to mount inside electrical distribution panels or control cabinets. It can also be wall-mounted. Installation should always be carried out by a licensed electrician following local electrical codes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the pulse output used for on this kWh meter?\u003c\/h4\u003e\n\u003cp\u003eA: The 400 imp\/kWh pulse output, isolated via optical coupling, allows the meter to interface with external data loggers, building management systems (BMS), or automation controllers. This enables remote energy monitoring and data recording without direct electrical connection to the metering circuit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this energy meter require a battery?\u003c\/h4\u003e\n\u003cp\u003eA: No, this meter does not require a battery. It is powered directly through the monitored electrical circuit, eliminating the need for battery maintenance or replacement.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this meter handle currents above 5A up to 100A?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. While the rated current is 5A, the meter supports a maximum current of 100A, giving you flexibility across a wide range of three-phase load applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of electrical system is this three-phase energy meter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This LCD digital energy meter is designed for AC 400V, 50Hz, three-phase 4-wire power systems. It is ideal for industrial panels, commercial buildings, and heavy-duty equipment circuits requiring accurate kWh consumption tracking.\"}}, {\"@type\": \"Question\", \"name\": \"How is this energy meter installed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The meter supports standard 35mm DIN rail installation, making it straightforward to mount inside electrical distribution panels or control cabinets. 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