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This device meets or exceeds the requirements of NEC 690.35 and CEC 64-018(1)(e) for ground fault detection on ungrounded solar arrays, as well as the upcoming 2014 requirements for array isolation testing prior to startup.
The isoPV detects ground faults in isolated (ungrounded) solar arrays up to 793 VAC / 1100 VDC. The iso-PV monitors for ground faults
by measuring the system's insulation resistance, providing early indication of ground faults before leakage current may even be present. Both AC
and DC ground faults can be detected, including on systems that have high leakage capacitances.
Designed specifically for photovoltaic arrays, the iso-PV satisfies the ground detection requirements of NEC article 690.35 for ungrounded DC solar arrays.
Included are two components, the ground detector and the high voltage coupler. Both are required for operation (the voltage coupler may be installed
in a separate cabinet to keep high voltage connections separate). The iso-PV features a digital display which shows the array's insulation resistance in real-time. Two SPDT contacts are available.
The isoPV may also be used for testing array isolation prior to startup on both grounded and ungrounded arrays, per the upcoming 2014 requirements of NEC 690.5(A)(1) and NEC 690.35(C)(1).
This device meets or exceeds the following code requirements:
Designed specifically for large scale ungrounded systems and photovoltaic systems, the iso1685P ground fault
detector provides early indication of ground faults before leakage current may even be
present. The device detects both AC and DC ground faults by monitoring the system's
insulation resistance. The iso1685 can connect to systems up to 1000 VAC / 1500 VDC.
Two separately adjustable response values are available. Two SPDT contacts are available
to trip on an active alarm, as well as a third SPDT contact for system and device errors.
RS-485 communication is integrated for connection to BENDER's remote communication
system. The iso1685 also supports connecting to Bender's ground fault location system for
The iso1685P can be combined with other equipment to create a ground fault location
system. Faults can be located down to the faulty string with both portable and fixed
The iso1685P may also be used for determining PV system isolation prior to startup on
both grounded and ungrounded solar arrays.
Bender Inc.420 Eagleview Blvd.Exton PA 19341
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