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IR140Y |
 Ground Fault Monitor for Ungrounded Single-phase AC systems to 300V AC
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The IR140Y series monitors the insulation resistance of ungrounded AC systems up to 300 V. The response value is steplessly adjustable via a potentiometer and DIP switches. Many different supply voltages in either AC or DC are available.
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IR145Y |
Ground Fault Monitor for Ungrounded DC and Single-phase AC to 300V AC / 290V DC
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The IR145Y series monitors the insulation resistance of ungrounded AC, DC, and AC/DC systems up to AC 300 V or DC 290 V. The response value is steplessly adjustable from either 1 kΩ to 20 kΩ or 10 kΩ to 200 kΩ via a potentiometer and DIP switches. Many different supply voltages in either AC or DC are available.
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IR420-D4 |
Ground Fault Monitor for Ungrounded Single-phase AC systems to 300V AC
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The IR420 series is designed to monitor the insulation resistance of ungrounded AC systems up to 300 V. The response range is steplessly adjustable from 1kΩ to 200 kΩ. Values are displayed and settings are changed via an LCD seven segment display. A large range of supply voltages can be applied to the unit. Connecting an external supply voltage allows for de-energized systems to also be monitored.
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IR425-D4 |
Ground Fault Monitor for Ungrounded Single-Phase AC and DC systems up to 300 V
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The IR425 series is designed to monitor the insulation resistance of ungrounded AC, DC and AC/DC systems up to 300 V. The response range is steplessly adjustable from 1kΩ to 200 kΩ. Values are displayed and settings are changed via an LCD seven segment display. A large range of supply voltages can be applied to the unit. Connecting an external supply voltage allows for de-energized systems to also be monitored.
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IR125Y |
Ground Fault Monitor for Ungrounded DC systems from 19.2 to 308 V
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The IR125 series is designed to monitor the insulation resistance of ungrounded DC systems from 19.2 to 308 V. The response range is steplessly adjustable from 10kΩ to 200 kΩ via a potentiometer. An external supply voltage is not required for this unit.
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IR470LY |
Ground Fault Monitor for Ungrounded Single- and Three-Phase AC systems up to 793 V
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The IR470LY series monitors the insulation resistance of ungrounded AC and 3(N)AC systems from 0 to 793 V. Connecting a voltage coupler allows systems of higher voltages to use this device. The resistance level is set via a potentiometer and DIP switch.
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IR475LY |
Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 693 V AC / 400 V DC
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The IR475LY series monitors the insulation resistance of ungrounded AC, 3(N)AC, and DC systems from 0 - 693 V AC, 3NAC and 0 - 400 V DC. Connecting a voltage coupler allows systems of higher voltages to use this device. Two seperate alarms for a pre-warning and true alarm are settable via potentiomters and DIP switches.
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IRDH275 |
Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 793 V AC / 650 V DC
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The IRDH275 series monitors the insulation resistance of ungrounded AC, 3(N)AC and AC/DC systems from 0 to 793 V AC and 0 to 650 V DC. The AMP Plus measuring principle meets the requirements of modern power supplies, which often include rectifiers, converters, and directly connected DC componenets. In systems with high leakage capacitances, the IRDH275 automatically adapts itself to the existing system conditions. Connecting a voltage coupler allows the unit to be placed in higher-voltage systems.
Preferences are set via a digital display and buttons. An external supply voltage allows de-energized systems to be monitored as well.
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IRDH375 |
Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems up to 793 V AC / 650 V DC
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The IRDH375 series monitors the insulation resistance of ungrounded AC, 3(N)AC and AC/DC systems from 0 to 793 V AC and 0 to 650 V DC. The AMP Plus measuring principle meets the requirements of modern power supplies, which often include rectifiers, converters, and directly connected DC componenets. In systems with high leakage capacitances, the IRDH275 automatically adapts itself to the existing system conditions. Connecting a voltage coupler allows the unit to be placed in higher-voltage systems.
Preferences are set via a digital display and buttons. An external supply voltage allows de-energized systems to be monitored as well. The IRDH375 series is designed to be panel-mounted into distribution panels.
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IR470LY2-4061 |
Ground Fault Monitor for Ungrounded Single- and Three-Phase AC systems up to 793 V AC
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The IR470LY2 series monitors the insulation resistance of ungrounded AC and 3(N)AC systems from 0 to 793 V. Connecting a voltage coupler allows the unit to be used on higher-voltage systems. Two seperate adjustable response values (via potentiometers and DIP switches) allows for two distinctive alarms to include a pre-warning.
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IR470LY2-60 |
Ground fault monitor for ungrounded AC, 3(N)AC systems as well as de-energized loads
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The IR470LY2 series monitors the insulation resistance of ungrounded AC and 3(N)AC systems from 0 - 793 V. This device is particularly suitable for systems requiring a high insulation level. The unit can also be used to monitor de-energized loads. Connecting a voltage coupler allows use in higher-voltage systems.
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IR420-D6 |
Ground fault monitor for de-energized loads on an ungrounded AC/DC system
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The IR420-D6 series is designed to monitor the insulation resistance of de-energized loads. The unit has a seven segment display with TEST, RESET, and MENU buttons. Connecting a voltage coupler allows for use in higher-voltage systems.
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IRDH575 |
Ground Fault Monitor for Ungrounded Single-, Three-Phase AC and DC systems (part of location system)
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The IRDH575 series monitors the insulation resistance of ungrounded 3(N)AC, AC/DC, and DC systems. Pertinent information is displayed via a digital LCD display. When used in combination with a unit from the EDS series with a current transformer, the IRDH575 may be used as an insulation fault locator.
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