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Electrical safety monitoring device ISOMETER® IR423
for medical IT systemsautomatic

electrical safety monitoring device
electrical safety monitoring device
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Characteristics

Tested parameter
electrical safety
Applications
for medical IT systems
Operating mode
automatic

Description

Insulation monitoring device for mobile generators Protective separation with insulation monitoring and disconnection According to IEC 60364-5-55 and IEC 61557-8 Two separately configurable response values Multi-functional LC display The ISOMETER® of the IR423 series is designed to monitor the insulation resistance RF of an unearthed AC system of 0…300 V to earth that is supplied by a mobile generator accor­ding to IEC 60364-5-551 / DIN VDE 0100-551 (VDE 0100-551). The IR423 is suitable for AC sys­tems with operating frequencies ≥ 30 Hz as well as for AC systems with directly connected DC circuits. The maximum permissible system leakage capacitance Cemax is 5 F. Insulation monitoring for mobile generators AC 0…300 V Protection by electrical separation with insulation monitoring and disconnection Version “W” for protection against high mechanical stress Two separately adjustable response values Connection monitoring system/earth Power On LED, alarm LEDs: Alarm 1, Alarm 2 Internal/external test/reset button Two separate alarm relays (one changeover contact each) N/O or N/C operation, selectable Fault memory behaviour, selectable Self monitoring with automatic alarm Multi-functional LC display Adjustable response delay Two-module enclosure (36 mm) Push-wire terminal (two terminals per connection)

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