{"product_id":"ge-3720-acm-three-phase-digital-meter","title":"GE 3720 ACM Three-Phase Digital Meter","description":"\u003cp\u003eThe \u003cstrong\u003eGE 3720 ACM\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3720 ACM\u003c\/strong\u003e Three-Phase Digital Meter, operates as a dedicated hardware component for three-phase voltage, current, power, and cumulative energy parameter acquisition within industrial power monitoring networks.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3720 ACM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ Global Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eThree-Phase Digital Meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Configuration\u003c\/td\u003e\n\u003ctd\u003e3-Phase, 3 or 4 Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input\u003c\/td\u003e\n\u003ctd\u003eUp to 600 VAC line-to-line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input\u003c\/td\u003e\n\u003ctd\u003eVia external CTs (5A or 1A secondary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eDigital LCD or LED readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 VA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e122 x 82 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.38 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and Firmic Determinism\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity Licences\u003c\/strong\u003e: Executes deterministic real-time power metrics calculation (kW, kVAR, kVA) and streams digitized load profile data over standard industrial communication links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility\u003c\/strong\u003e: Maintains register compatibility across firmware builds to support seamless integration into sub-station control systems and motor control center networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling\u003c\/strong\u003e: Integrates direct voltage and CT secondary current input channels into a compact panel-mounted enclosure to reduce footprint requirement inside control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 3720 ACM meter be wired directly to 600 VAC utility lines without potential transformers?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit supports direct line-to-line voltage connections up to 600 VAC across standard 3-phase 3-wire or 4-wire configurations.\u003c\/p\u003e\n\u003cp\u003eQ: Is external current measurement supported via standard 5A current transformers?\u003c\/p\u003e\n\u003cp\u003eA: Yes, current input terminals accept standard external Current Transformer (CT) secondary outputs rated at 5A or 1A.\u003c\/p\u003e\n\u003cp\u003eQ: How does the meter retain cumulative energy data during a control power outage?\u003c\/p\u003e\n\u003cp\u003eA: Historical energy records and cumulative kW data are automatically saved to onboard non-volatile memory chips without requiring external battery backup.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Mount Hardware\u003c\/strong\u003e: Cut out the designated panel slot and insert the meter from the cabinet front face. Fasten side retention clamps securely to achieve a flush fit against the enclosure wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage and CT Secondary Wiring\u003c\/strong\u003e: De-energize high-voltage lines before connecting voltage sensing terminals and CT leads. Ensure CT secondary loops are never opened while primary lines are energized.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Cable Termination\u003c\/strong\u003e: Route instrument metering communication and signal lines in shielded twisted-pair cables. Ground the shield drain wire at a single point on the cabinet chassis earth ground rail.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":48497388683454,"sku":"3720 ACM","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-08-05_17-44-04_20084e8a-47af-44a5-a201-39b81717cec2.png?v=1785923111","url":"https:\/\/www.autooiltech.com\/es\/products\/ge-3720-acm-three-phase-digital-meter","provider":"AutoOilTech Limited","version":"1.0","type":"link"}