Ground fault indicator
400 - 1 000 A | OPTO E 3.0
HORSTMANN
OPTO F 3.0
Electrical isolation via fiber optic cables
Phase-selective short-circuit indication by red LED
Single and double flashing mode for radial and ring network
Trip current adjustable at CT: 400 A, 600 A, 800 A, 1.000 A
Activation time adjustable in indicating unit
SCADA contact (momentary or permanent, adjustable)
Function test via front button
Remote test
Remote Reset:
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)
Electrical isolation via fiber optic cables
Phase-selective short-circuit indication by red LED
Single and double flashing mode for radial and ring network
Trip current adjustable at CT: 400 A, 600 A, 800 A, 1.000 A
Activation time adjustable in indicating unit
SCADA contact (momentary or permanent, adjustable)
Function test via front button
Remote test
Remote Reset:
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)
