XI1-E-R Earth Overcurrent Relay for Compensated or Isolated Grids (XI1ER1)
Request an offer
Prices incl. VAT plus shipping costs Please configure your device with the selection fields available below. You must select a value for each field and then you can submit a price request.
Configuration
The XI1E of the PROFFESIONAL LINE is an all-purpose protection against earth faults,
used for electrical machines, lines and isolated or compensated systems; it is mainly
used in radial networks. Very often the XI1E can be found as backup protection at
the central earthing point of the system. It detects all earth faults occuring in
the system.
Relay variant XI1E-R with directional current sensing is a selective earth-fault protection and is normally used in ring systems, networks with parallel feeders and in complex meshed systems.
Connections XI1E in holmgreen circuit
Connections XI1ER in holmgreen circuit
Settings Ranges XI1E
| Parameter | Setting Range |
|---|---|
| IE> | 0 … 0.3 × I n (min. limit value 0.001 × I n) |
| IE>> | 0 … 1.5 × I n (min. limit value 0.001 × I n) |
| tIE> | 0 … 1 s / 0 …10 s / 0 …100 s (⌨) |
| tIE>> | 0 … 1.25 s |
(⌨) Different setting ranges via DIP switches. ( Smart view covers the whole range.)
Settings Ranges XI1ER
| Parameter | Setting Range |
|---|---|
| IE> | 0 … 0.3 × I n (min. limit value 0.001 × I n) |
| tIE> | 0 … 1 s / 0 …10 s / 0 …100 s (⌨) |
| UE>> | 10 … 120 V |
| tUE>> | 0 … 10 s |
(⌨) Different setting ranges via DIP switches. ( Smart view covers the whole range.)
Auxiliary Voltage
Voltage supply via wide-range power supply unit:
Auxiliary voltage range | 19 … 390 V DC or 36 … 275 V AC (f = 40 … 70 Hz) |
Power consumption | approx. 4 W (terminals A1 and A2) |
- Fast DIN rail mounting ⇛ easy and fast mounting
- Sealable plastic covers ⇛ safe (see if anybody has broken the seal)
- Super easy settings via front buttons ⇛ fast without computer
- LED and output relays fault indication ⇛ easy to find out what has happened
- Compact form factor ⇛ fits in small spaces
- IT security ⇛ no way to attack via Ethernet
- Robust and reliable ⇛ well proven reliable quality
- Wide Range Power Supply ⇛ don’t worry about available supply voltage
- Integrated Self-Test Procedure (via button) ⇛ fast and easy checks: relays, LEDs
For all relays except XD1-G and except XRI...: optional interface adapter XRS1 (order code XRS1A or XRS1*);
for all XRI... [except XD1-G]: optional adapter RS485 to USB (order code RSC2485USB1):
⇛ easy doing high precision settings via Windows ® PC software »Smart view«
Interconnection of renewable energies (DER: distributed energy resources) to the public grid.
Directional earth fault protection of High, Medium and Low Voltage feeders.