DC Earth Fault Relay
Adjustable 1-10 kΩ DC insulation monitoring relay with test button, for unearthed station DC systems.
Specifications04 rows
| Trip setting | Adjustable, 1 kΩ to 10 kΩ |
|---|---|
| Application | Unearthed (floating) DC systems |
| Bus voltage | 24 / 48 / 110 / 220 VDC |
| Test | Front-panel test button |
built to date · 01
Standard build configurations
Configurations of this unit built to date. Ratings outside this list are quoted against the same platform.
- 01DC earth fault relay 1–10 kΩ with adjustable resistance and test button
Features · 04
- Adjustable insulation trip resistance
- Front-panel test button for alarm-chain proving
- Volt-free alarm contacts
- Panel mounting, integral to charger or DCDB
Options · 03
- Positive/negative pole fault discrimination
- Remote alarm and SCADA output
- Faulty-feeder locating function
Applications · 03
- Substation DC auxiliary supplies
- Power house DC systems
- Any floating DC installation
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