Technical Specifications AC/DC IT system compatible; Adjustable insulation threshold; Modbus RTU interface; Relay alarm contacts.
Functional Features Continuous insulation measurement; Pre-alarm and fault alarm; Self-test function; Latching fault memory.
Application Scenarios Battery systems, marine power, medical isolated supplies, industrial UPS and IT distribution panels.
Performance Parameters Wide measuring range; Stable measurement under harmonic distortion; Remote diagnostic via bus.
Structural Characteristics DIN rail plastic enclosure, front panel display, operation buttons, status LEDs and power/measurement terminals.
Working Principle Inject low test signal into the ungrounded power network, compute insulation resistance to earth and trigger alarm when insulation degradation is detected.
Installation Requirements Mount on DIN rail inside control cabinet; Follow Bender wiring diagram for measuring circuit.
Usage Notes Disconnect power before wiring. Do not apply to TN grounded power systems.
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