SOLIS S1-W4G-ST DATA LOGGER (4-PIN) Remote monitoring via 4G cellular or Wi-Fi with automatic failover with or without 5 year SIM Supports up to 10 Solis inverters from remote sites without Wi-Fi Fault alarms and real-time data to SolisCloud every 5 minutes SolisCloud Ready with 5 year SIM The SOLIS S1-W4G-ST DATA LOGGER (4-PIN) connects Solis inverters to SolisCloud using 4G cellular or Wi-Fi, automatically switching to cellular if Wi-Fi fails. Perfect for off-grid cabins, remote logistics sites or industrial setups where internet reliability matters. Plugs directly into the 4-pin COM port for immediate data relay. Key Features Dual Wi-Fi (2.4GHz) and 4G cellular with automatic failover Three LED indicators show power, network and communication status RESET button sends immediate data or clears network settings Bluetooth for local setup and inverter address assignment NEMA 4X rated for outdoor use Technical Specifications Communication: RS485, WiFi 802.11b/g/n (2.4GHz), 4G LTE/UMTS/GSM Data upload: Every 5 minutes to SolisCloud Operating voltage: DC 5V (±5%) from inverter Power consumption: ≤5W Max inverters supported: 10 via RS485 Operating temperature: -30°C to +65°C Dimensions: 128 × 50 × 34 mm Protection: NEMA 4X Connection: 4-pin RJ45 COM port Shipping Available to the UK, Ireland, Africa, the Caribbean and worldwide. If shipping rate not shown at checkout, contact us on +44 2080640335 or [email protected] for a quote. Support UK expert support available - contact us with any questions or support requests via phone, email or live chat, or visit our office for an in-person consultation. For installation with your Solis inverter system, we recommend trusted partners to ensure proper COM port connection and SIM activation. Documents available for download S1-W4G-ST Datasheet Quick Installation Manual
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