Earth 4.0
Earth fault indicator
The Earth 4.0 is an earth fault indicator and is used to detect earth fault currents in medium-voltage networks and to display them locally and report them remotely.
The total current of all three conductors is monitored by means of a wired total current sensor. The evaluation takes place in the electronics of the display unit. When the response criteria are reached, this is indicated by a flashing red LED in the display unit and also by an indicator, and the remote signaling contacts are also activated.
A system-related external indicator light can be connected as an option
Product features
- Display via LED and indicator
- Remote signaling, test and reset via relay contacts
- Battery check indicator
Earth fault indication via LED and indicator
Battery status display
Your added value
- Clear earth fault indication via LED and indicator
- Connection to telecontrol technology
- Early warning for end of battery life
Test/reset function
Technical data
| Earth 4.0 | |
|---|---|
| Short-circuit indicator | ✅ |
| Earth fault location method | Earth short circuit |
| IE> Response values earth fault current | 25, 50, 60, 80 A (other response values on request) |
| tIE> Response delay | 80, 160 ms |
| Response tolerance | ±10 % |
| Display |
|
| Remote notification / communication |
|
| Telecommunication contact | Permanent or wiping contact (1 s) Contact rating: 230 V AC / 1 A / 62.5 VA max.; 220 V DC / 1 A / 60 W max. |
| Reset |
|
| Supply | |
| Converter power supply | ✅ |
| Internal power supply | Long-life lithium cell, service life ≥20 years, ≥1,200 h total flashing time |
| Housing | Polycarbonate, IP40 |
| Temperature range | -30 °C to +70 °C |
All important documents for the device
Do you need additional information about our device? In our download area you will find all relevant documents such as brochures and product catalogs, technical reports, operating instructions and dimensional drawings (login required). Simply click on the download area to obtain the documents you require.
Matching articles
PERFECT MATCH
Here you will find the matching equipment set and accessories for this item. All components are technically matched to each other and guarantee optimum functionality. For customer-specific requirements and individual offers, please contact our sales department.
Product finder
Find the right Horstmann product for your application quickly and easily.
Other short-circuit and earth fault indicators
ComPass A 2.0
- Load current monitoring
- Detection of earth faults and short circuits for NOSPE/ KNOSPE networks
- Error display without direction indication
ComPass B
- Highly accurate monitoring
- Detection of earth faults and short circuits for all networks
- Remote signaling via RS485 / Modbus interface
ComPass B 2.0
- Highly accurate monitoring
- Detection of earth faults and short circuits for all networks
- Error direction display
ComPass Bs 2.0
- Fault direction indicator with monitoring
- Detection of earth faults and short circuits for all networks
- Switching ComPass Bs 2.0 for controlling a switch-disconnector or circuit-breaker remotely