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DOLD insulation fault location devices, available from ELTRON, enable precise and quick detection of insulation faults in IT systems. They can be operated without switching off the power supply, which is crucial in installations requiring continuous operation, such as hospitals, process industries, data centres and power plants.
The DOLD location system is based on a test current generator and a fault location detector, which communicate via an RS-485 interface in a Master/Slave configuration. This enables integrated monitoring of extensive installations and automatic tracking of sources of insulation impedance drops.
ELTRON offers the following products:
These devices not only detect faults, but also accurately determine their location within the receiving circuits, which significantly reduces service response times and minimises the risk of downtime.
Thanks to their modular design and digital communication, DOLD systems can be flexibly expanded and adapted to individual installation requirements.
| Type | Description | Network nominal voltage IT | Manual reset | Interface | Operating mode | Operating voltage | Enclosure width (mm) | Data Sheet |
| RR 5886 | Locating current injector | DC, AC, 3 AC 24 ... 360V | - | RS-485 | Master / Slave | AC / DC | 105 |  RR5886.pdf |
| RR 5887 | Insulation fault locator | DC, AC, 3 AC 24 ... 360V | z panelu operatorskiego | RS-485 | Slave | AC / DC | 105 | RR5887.pdf |
| ND 5017 | Current transformer | - | - | - | - | - | - | ND5017.pdf |
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ELTRON Spółka z ograniczoną
odpowiedzialnością Sp. k.
ul. Brodzka 10B
54-103 Wrocław
Customer Service:
Telefon: +48 71 343 97 55
E-mail: kontakt@eltron.pl
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