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Components of the arc fault protection system DEHNshort

DSRT DD CPS Detection Device Type Part No.
(Current + Light)
DSRT DD CPS BACA 24 V DC 782 030
• Connection of two quenching devices DSRT DD CPS AACA 230 V AC 782 031
• Connection of four sensor channels
(including up to three optoelectronic
sensors each)
• LEDs for status indication
• Four tripping relays
• Bidirectional exchange of sensor signals
• Connection of three current transformers
• One self-monitoring relay

DSRT DD PS Detection Device Type Part No.
(Point Sensor)
DSRT DD PS BACA 24 V DC 782 040
• Connection of two quenching devices DSRT DD PS AACA 230 V AC 782 041
• Connection of four sensor channels
(including up to three optoelectronic
sensors each)
• LEDs for status indication
• Four tripping relays
• Bidirectional exchange of sensor signals
• One self-monitoring relay

DSRT DD FS light detection device Type Part No.
(detection via fibre optic sensors)
DSRT DD FS BAAA 24 V DC 782 050
• Connection of three fibre optic sensors DSRT DD FS AAAA 230 V AC 782 051
• LEDs for status indication
• Four tripping relays
• Bidirectional exchange of sensor signals
• One self-monitoring relay

DSRT PS optoelectronic sensor Type Part No.

• Continuous self-monitoring DSRT PS 782 060
• Easy installation
• Monitoring of one compartment
• Max. three sensors per channel in series

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