The NexBlue Zen is a current sensor that enables dynamic load balancing and solar surplus charging on compatible NexBlue chargers, without needing a smart meter. It communicates via Nexus RF, Wi-Fi, Bluetooth or Ethernet, with an external antenna for reliable range through walls. DIN rail mounted with no external power adapter required. This three phase version covers 3-phase household or commercial supplies. Key Features Enables dynamic load balancing and solar surplus charging Three phase supply monitoring 2-minute DIN rail installation, no external power adapter Nexus RF, Wi-Fi, Bluetooth or Ethernet connectivity External extendable antenna for wall penetration Real-time CT clamp data, transmitted to charger via cloud Compatible with NexBlue Point 2, Edge and Delta Max 3-year warranty Specifications Phase Three phase Mounting DIN rail Connectivity Nexus RF, Wi-Fi, Bluetooth, Ethernet Power Supply Integrated, no external adapter required CT Clamp Optional Rogowski coil, up to 1500A Compatible Chargers NexBlue Point 2, Edge, Delta Max Warranty 3 years