Ground fault and short-circuit indicator
10 - 1 000 A | OPTO F+E 3.0 HORSTMANN

OPTO F+E 3.0
Electrical isolation via fiber optic cables
Phase-selective short-circuit indication by 3 red LEDs
Earth fault indication by 1 yellow LED
Adjustable trip current on CT:
Short-circuit 400 A, 600 A, 800 A, 1.000 A
Earth fault 40 A, 80 A, 120 A, 160 A or
10 A, 20 A, 40 A, 80 A
Adjustable activation time (separate adjustment for Ik and I0)
2 SCADA contacts (momentary or permanent, adjustable)
Function test via test button
Remote test
Reset operations:
Automatic time reset 1 h, 2 h, 4 h, 8 h, adjustable
Manual reset
Remote reset
Reset by restoration of power supply
Supply (no external power supply required):
Long-life lithium battery
expected shelf life > 15 years
Optional
Integrated in device
12 V – 110 V DC or
24 V – 60 V AC, 50 – 60 Hz
Accessory
Transformer for DIN rail assembly
(115 V – 230 V AC / 24 - 48 V AC)

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