{"product_id":"netio-powerdin-zk3-3-phase-metered-din-rail-controller","title":"NETIO PowerDIN ZK3 – 3-Channel Metered DIN-Rail Power Controller, 3-Phase, LAN \u0026 WiFi","description":"\u003cp\u003eThe \u003cstrong\u003eNETIO PowerDIN ZK3\u003c\/strong\u003e combines a \u003cstrong\u003e3-channel energy meter\u003c\/strong\u003e and a \u003cstrong\u003e3-output power controller\u003c\/strong\u003e in one 6-module DIN-rail device. Meter and switch a 3-phase load — or three independent circuits — from the distribution board, and send the data to KNX, BMS or energy-management platforms over LAN or WiFi.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 switched and metered outputs\u003c\/strong\u003e, max 16 A each, with Zero Current Switching (ZCS)\u003c\/li\u003e\n\u003cli\u003eWorks as a \u003cstrong\u003e3-phase 400 V (3 × 16 A)\u003c\/strong\u003e controller or as \u003cstrong\u003e3 independent 230 V \/ 16 A\u003c\/strong\u003e channels\u003c\/li\u003e\n\u003cli\u003ePer-channel metering: \u003cstrong\u003eA, W, Wh, True PF, phase shift, energy in\/out, reverse energy\u003c\/strong\u003e, plus V and Hz — accuracy better than 1%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 digital inputs\u003c\/strong\u003e with S0 counters and 12 V supply; NETIO T1\/TH1 sensors supported\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eLAN (RJ45) and 2.4 GHz WiFi\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eScheduler, Ping \u0026amp; Power WatchDog and Conditions \u0026amp; Rules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen API\u003c\/strong\u003e: JSON, XML, MQTT-flex, SNMP v1\/v3, Modbus\/TCP, Telnet, URL API, HTTP(S) Push\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003ePowerDIN ZK3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e3 × SPST-NO relay with ZCS, max 16 A each, 2.5 mm² (14 AWG) terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModes\u003c\/th\u003e\n\u003ctd\u003e3-phase 400 V, 3 × 16 A, or 3 independent 230 V \/ 16 A channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003ctd\u003e100–240 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnergy metering\u003c\/th\u003e\n\u003ctd\u003e3 channels: A, W, Wh, True PF, phase shift, energy in\/out, reverse energy + V, Hz; better than 1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDigital inputs\u003c\/th\u003e\n\u003ctd\u003e2 × dry contact with S0 counter, 12 V supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNetwork\u003c\/th\u003e\n\u003ctd\u003eRJ45 Ethernet + WiFi 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInternal consumption\u003c\/th\u003e\n\u003ctd\u003eMax 2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e−20 to +50 °C (−4 to +122 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e108 × 91 × 62 mm (4.3 × 3.6 × 2.4 in), 6 DIN modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP20; Type 3 surge protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e35 mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eIntegration \u0026amp; Control\u003c\/h2\u003e\u003cp\u003eRead measurements and control outputs from the built-in HTTPS web interface, the \u003cstrong\u003eNETIO Mobile 2\u003c\/strong\u003e app (iOS\/Android) or the optional \u003cstrong\u003eNETIO Cloud\u003c\/strong\u003e service (subscription). Feed energy data to KNX, BMS and energy dashboards over Modbus\/TCP, MQTT, SNMP or HTTP\/JSON.\u003c\/p\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSub-metering and control of 3-phase equipment\u003c\/li\u003e\n\u003cli\u003eEnergy monitoring of three separate circuits from one DIN device\u003c\/li\u003e\n\u003cli\u003eLoad shedding and peak-demand control in commercial panels\u003c\/li\u003e\n\u003cli\u003eAdding energy data to KNX and BMS projects over Modbus\/TCP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCertifications\u003c\/h2\u003e\u003cp\u003eNo UL\/NRTL listing stated by NETIO — verify local code requirements before specifying in US installations. Installation by a qualified electrician only.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the ZK3 and the ZP3?\u003c\/strong\u003e\u003cbr\u003eThe ZK3 meters each channel with better than 1% accuracy and uses ZCS; the ZP3 switches only.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it integrate with KNX?\u003c\/strong\u003e\u003cbr\u003eYes — through a KNX gateway, logic module or visualization server that supports Modbus\/TCP or MQTT.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eAvailable to order. Free U.S. shipping on orders over $500. PRO pricing available for registered integrators.\u003c\/em\u003e\u003c\/p\u003e","brand":"NETIO","offers":[{"title":"Default Title","offer_id":50588517204224,"sku":"PowerDIN ZK3","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/4161\/5360\/files\/NETIO_PowerPDU_ZK3_-_main_EDIT_2025_1.png?v=1791828744","url":"https:\/\/www.knxsupply.com\/products\/netio-powerdin-zk3-3-phase-metered-din-rail-controller","provider":"KNX Supply","version":"1.0","type":"link"}