{"product_id":"power-measurement-3720-acm-digital-power-meter-panel","title":"Power Measurement 3720-ACM Digital Power Meter Panel","description":"\u003cp\u003eThe \u003cstrong\u003ePower Measurement 3720-ACM\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3720-ACM\u003c\/strong\u003e Power Meter Panel, operates as a dedicated hardware component for 3-phase electrical parameter monitoring within industrial power distribution and energy management architectures.\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\u003ePower Measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.82 lbs (2.64 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Panel Cutout Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Topology\u003c\/td\u003e\n\u003ctd\u003e3-Phase Voltage, Current, Power, and Energy Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eDigital Front Panel Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Parameters\u003c\/td\u003e\n\u003ctd\u003eTrue RMS Voltage, Current, kW, kVAR, kVA, Power Factor, Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485 Serial Port (Modbus RTU Protocol)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProtocol Conversion Latencies and Network Integration\u003c\/h3\u003e\n\u003cp\u003eThe 3720-ACM meter converts internal high-speed analog sampling measurements into digitized MODBUS register packets for network transmission. Dedicated optical isolation on the serial RS-485 communication bus mitigates ground loop potential differentials and protects internal digital signal processors against high-voltage line surges up to 2.5 kV. Optimized firmware execution minimizes protocol conversion latencies, enabling deterministic real-time polling of current, voltage, and power quality trends by upstream automation platforms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power system configurations are supported by the 3720-ACM meter?\u003c\/p\u003e\n\u003cp\u003eA: The module supports standard 3-phase 3-wire and 3-phase 4-wire power distribution network topologies via potential transformers (PTs) and current transformers (CTs).\u003c\/p\u003e\n\u003cp\u003eQ: How is the RS-485 serial communication loop protected against line transients?\u003c\/p\u003e\n\u003cp\u003eA: The serial port features galvanic and surge voltage isolation barriers to prevent field ground loops from compromising onboard logic.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 3720-ACM be connected directly to high-voltage lines without external transducers?\u003c\/p\u003e\n\u003cp\u003eA: Direct voltage line connection is permitted up to the maximum rated panel voltage limit; higher distribution voltages require external step-down potential transformers (PTs).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure main panel feeder breakers are de-energized and locked out prior to installing or servicing the meter unit.\u003c\/li\u003e\n\u003cli\u003eMount the chassis into a cutout panel opening using provided mechanical mounting brackets and torque securing screws to specification.\u003c\/li\u003e\n\u003cli\u003eWire 3-phase voltage and current transformer (CT) secondary leads to the terminal blocks, maintaining strictly correct polarity and phase orientation.\u003c\/li\u003e\n\u003cli\u003eRoute RS-485 serial communication cabling using shielded twisted-pair wire, keeping run paths physically isolated from high-voltage power lines.\u003c\/li\u003e\n\u003cli\u003eGround the cable shield drain wire at a single point on the main protective earth (PE) bus bar to avoid ground current loops.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":66735528444019,"sku":"3720-ACM","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/3720-ACM_Cocoai.jpg?v=1790668631","url":"https:\/\/www.dcssupplier.com\/ar\/products\/power-measurement-3720-acm-digital-power-meter-panel","provider":"DcsSupplier Limited","version":"1.0","type":"link"}