The moisture meter can quickly measure the moisture content of the grain. 1. MAIN PURPOSE: 500V photovoltaic DC disconnector, installed between solar panels and solar inverters, plug and play. 2. CIRCUIT PROTECTION: With overvoltage, overload and lightning protection function, capable of long distance communication and ma long service life. 3. HIGH RELIABILITY: Equipped with reliable DC components to protect the PV disconnector, transparent cover for easy checking of the circuit breaker status. 4. IP65 WATERPROOF: This ma IP65 waterproof box, which allows for indoor and outdoor installation, can be used in harsh weather conditions. 5. WIDE APPLICATION: This photovoltaic disconnector is suitable for photovoltaic solar panels in and out of network systems, solar power generation systems, motorhomes, etc. Specification: Item Type: Disconnect Switch Material: polycarbonate, ABS Input: 1 string Output: 1 string Maximum voltage: 500 V Degree of protection: IP65 Cable input port: 4 mm² Output cable gland: 4mm² DC circuit breaker: Rated Insulation Voltage (Ui): 500V Maximum operating voltage (Ucpv): 500 V Rated operating voltage: 500 V List of packages: 1 x Circuit Breaker 4 x Connectors (2 x Male, 2 x Female) 4 cores 4 screws 4 x Expansion Tubes 1 x PV Special Key 4 x Plugs 1 x User Manual Install and use directly.