4.3 Inch Display DC Panel Controller With DC88V-DC300V Input And 4096 Error Indications THJK005-3S

THJK102G-JLNB is an AC power monitoring device for power systems, widely used in power plants, substations, and other AC power systems as the core unit for monitoring, management, and interfacing.

The device features a 1024*600 resolution medical-grade color touchscreen, supports Chinese Pinyin input and on-site editing, and is equipped with a USB interface for program upgrades and file import/export via USB flash drive. It also includes a 2MB NOR FLASH for storing events that are not lost during power outages.

The device comes with an IRIG-B time synchronization interface, 5 RS485 ports, 1 RS232 port, and 2 CAN communication interfaces, providing 10 digital input channels and 15 relay output channels. It supports two 3-phase AC voltage sampling channels. The device is equipped with operational, fault, and customizable indicator lights, as well as an audible alarm. The built-in battery ensures continuous clock operation during power loss and provides a user-friendly human-machine interface.

• Altitude ≤ 2000 meters (reduced capacity at high altitudes)
• Temperature: -10°C to +45°C
• Humidity ≤ 95% without condensation
• Must be installed in an indoor environment free from strong electromagnetic interference, corrosive gases, and mold
• Special usage conditions must be specified at the time of ordering

• Why choose us? We are a high-tech enterprise integrating manufacturing, sales, system solutions, and after-sales service. With over 290 successful projects for 220 kV to 500 kV substations and battery systems above 1000 Ah, Tonhe has become a leading DC power system supplier in China, holding over 40% market share and producing 1 million modules annually.
• How can we guarantee quality? Our 8 advanced production lines, equipped with imported machinery, achieve 80% automation and up to 99% first-pass yield. All power modules undergo double-sided potting, conformal coating, and rigorous functional, environmental, and aging tests—ensuring reliable 24/7 performance in critical power infrastructures.
• How We Support Your Business? A full range of power conversion modules, system-level low-voltage DC distribution cabinets for DC loads, data center power systems, as well as customized hardware and software power solutions.
• Can customers get sample orders? Yes, you can get sample orders to test our quality. The cost of samples is paid by the customer.
• What are the payment types? We accept payment via TT (Telegraphic Transfer).