The isoPV1685-425 is an ISOMETER® series insulation monitoring device manufactured by the German company Bender. It is primarily designed for the real-time monitoring of insulation resistance in large-scale ungrounded (IT system) photovoltaic power generation systems.
Core Technical Features
1. Applicable grid voltage: up to DC 1500V photovoltaic power grid
2. Auxiliary supply voltage: DC 18~30V
3. Insulation measuring range: 200Ω to 1MΩ, two independent alarm stages
4. Adapt to system leakage capacitance up to 2000μF
5. Reverse polarity monitoring protection for DC L+ and L-
6. Built-in RS485 Modbus communication interface for remote monitoring
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