DEHNshort – Active Arc Fault Protection System

  • Protection of persons and installations and system functions in accordance with DIN EN 61439-2, Suppl. 1 (IEC/TR 61641 ed. 3, 2014)
  • Use in low-voltage switchgear and controlgear assemblies according to DIN EN 61439-2 after integration tests according to DIN VDE 0660-600-2-1, 2021 (IEC TS 63107: 2020)
  • Maximum system availability
  • Modular system structure
  • System status is indicated at the front of the installation

Details

Built-in protective current trnsformers
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Detection devices integrated in the door
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Built-in quenching devices
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Built-in light sensors
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Basic circuit diagram
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Detection Device (Current + Light)

Detection unit DSRT DD CPS .... for current and light detection (DSRT PS point sensors), including output for connecting two DSRT QD II quenching devices.

2 Products

Part No. 782030 DSRT DD CPS BACA

GTIN 4013364245792, Customs tariff No. (EU): 85364900, Gross weight: 1.48 kg, PU: 1.00 pc(s)

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Additional information

Electronic detection device for current and light detection
Electronic detection device for arc fault protection systems
for connecting point light sensors and a set of current transformers.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine of the entire system
and status indication via LED display.
Supply voltage: 18 - 72 V d.c.
Power consumption: 5 W
Number of light sensor channels: 4
Number of light sensors: 12 (4 x 3 sensors)
Relay outputs: 4 floating
5A, 250 V a.c./d.c.
Current input signal: 1 / 5 A
Number of current transformer connections: 3 for phase conductor
1 for total current

Brand: DEHN
Type: DSRT DD CPS BACA
Part No.: 782030
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 18-72 V d.c.
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 102 mm
Mounting dimensions (h x w x d) 157 x 82 x 164 mm
Sensor inputs S1, S2, S3, S4 (3 sensors (DSRT PS) can be connected per channel)
Current inputs 1 A / 5 A (IL1, IL2, IL3, Io)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
High-speed outputs Up to 250 V a.c./d.c. 2 A (HS01, HS02)
Quenching device outputs Optical fibre cable (at least 43 mA) (2x TX)
Binary output 24 V d.c 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Tripping time HSO < 2 ms
Tripping time TX < 2 ms
Approvals VdS

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Part No. 782031 DSRT DD CPS AACA

GTIN 4013364245815, Customs tariff No. (EU): 85364900, Gross weight: 1.48 kg, PU: 1.00 pc(s)

Images

Additional information

Electronic detection device for current and light detection
Electronic detection device for arc fault protection systems
for connecting point light sensors and a set of current transformers.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine of the entire system and status indication via LED display.
Supply voltage: 80 - 265 V a.c./d.c.
Power consumption: 5 W
Number of light sensor channels: 4
Number of light sensors: 12 (4 x 3 sensors)
Relay outputs: 4 floating
5A, 250 V a.c./d.c.
Current input signal: 1 / 5 A
Number of current transformer connections: 3 for phase conductor
1 for total current
Frequency: 50 / 60 Hz

Brand: DEHN
Type: DSRT DD CPS AACA
Part No.: 782031
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 92-265 V AC / DC
Frequency 50 / 60 Hz
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 102 mm
Mounting dimensions (h x w x d) 157 x 82 x 164 mm
Sensor inputs S1, S2, S3, S4 (3 sensors (DSRT PS) can be connected per channel)
Current inputs 1 A / 5 A (IL1, IL2, IL3, Io)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
High-speed outputs Up to 250 V a.c./d.c. 2 A (HS01, HS02)
Quenching device outputs Optical fibre cable (at least 43 mA) (2x TX)
Binary output 24 V d.c. 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Tripping time HSO < 2 ms
Tripping time TX < 2 ms
Approvals VdS

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Detection Device (Point Sensor)

DSRT DD PS detection device .... for light detection (DSRT PS point sensors), including output for connecting two DSRT QD II quenching devices.

2 Products

Part No. 782040 DSRT DD PS BACA

GTIN 4013364245822, Customs tariff No. (EU): 85364900, Gross weight: 953.00 g, PU: 1.00 pc(s)

Images

Additional information

Electronic detection device for light detection by means of point sensors
Electronic detection device for arc fault protection systems
for connecting 12 point light sensors.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine and status indication via LED display.
Supply voltage: 18 - 72 V d.c.
Power consumption: 5 W
Number of light sensor channels: 4
Number of light sensors: 12 (4 x 3 sensors)
Relay outputs: 4 floating
5A, 250 V a.c./d.c.


Brand: DEHN
Type: DSRT DD PS BACA
Part No.: 782040
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 18-72 V d.c.
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 52 mm
Mounting dimensions (h x w x d) 157 x 45 x 164 mm
Sensor inputs S1, S2, S3, S4 (3 sensors (DSRT PS) can be connected per channel)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
Quenching device outputs Optical fibre cable (at least 43 mA) (2x TX)
Binary output 24 V d.c. 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Tripping time TX < 2 ms
Approvals VdS

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Part No. 782041 DSRT DD PS AACA

GTIN 4013364245839, Customs tariff No. (EU): 85364900, Gross weight: 953.00 g, PU: 1.00 pc(s)

Images

Additional information

Electronic detection device for light detection with point sensors
Electronic detection device for arc fault protection systems
for connecting 12 point light sensors.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine and status indication via LED display.
Supply voltage: 80 - 265 V a.c./d.c.
Power consumption: 5 W
Number of light sensor channels: 4
Number of light sensors: 12 (4 x 3 sensors)
Relay outputs: 4 floating
5A, 250 V a.c./d.c.

Frequency: 50 / 60 Hz

Brand: DEHN
Type: DSRT DD PS AACA
Part No.: 782041
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 92-265 V AC / DC
Frequency 50 / 60 Hz
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 52 mm
Mounting dimensions (h x w x d) 157 x 45 x 164 mm
Sensor inputs S1, S2, S3, S4 (3 sensors (DSRT PS) can be connected per channel)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
Quenching device outputs Optical fibre cable (at least 43 mA) (2x TX)
Binary output 24 V d.c. 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Tripping time TX < 2 ms
Approvals VdS

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Detection Device (Fibre Optic Sensor)

DSRT DD FS .... detection device for light detection (DSRT FS fibre optic sensor).

2 Products

Part No. 782050 DSRT DD FS BAAA

GTIN 4013364245846, Customs tariff No. (EU): 85364900, Gross weight: 1020.00 g, PU: 1.00 pc(s)

Images

Additional information

Electronic detection dev. f. light detection by means of fibre optic sensors
Electronic detection device for an arc fault protection system
for connecting 3 fibre optic sensors.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine and status indication via LED display.
Supply voltage: 18 - 72 V d.c.
Power consumption: 5 W
Number of optical inputs: 3
Relay outputs: 4 floating
5A, 250 V a.c./d.c.


Brand: DEHN
Type: DSRT DD FS BAAA
Part No.: 782050
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 18-72 V d.c.
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 52 mm
Mounting dimensions (h x w x d) 157 x 45 x 164 mm
Sensor inputs S1, S2, S3 (one fibre optic sensor (DSRT FS) can be connected per channel)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
Binary output 24 V d.c. 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Approvals VdS

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Part No. 782051 DSRT DD FS AAAA

GTIN 4013364245853, Customs tariff No. (EU): 85364900, Gross weight: 1020.00 g, PU: 1.00 pc(s)

Images

Additional information

Electronic detection system for light detection with fibre optic sensors
Electronic detection device for arc fault protection systems
for connecting 3 fibre optic sensors.
Installation in the switchgear cabinet door.
Automatic self-monitoring routine and status indication via LED display.
Supply voltage: 80 - 265 V a.c./d.c.
Power consumption: 5 W
Number of optical inputs: 3
Relay outputs: 4 floating
5A, 250 V a.c./d.c.

Frequency: 50 / 60 Hz

Brand: DEHN
Type: DSRT DD FS AAAA
Part No.: 782051
or equivalent.

Certificates

 

Technical data

Min. / max. voltage (UN ) 92-265 V AC / DC
Frequency 50 / 60 Hz
Arc fault quenching time (tmtA ) < 3-4 ms with DSRT QD II
Degree of protection (front side) IP 50
Degree of protection (rear side) IP 20
Dimensions of the front plate (h x w ) 177 x 52 mm
Mounting dimensions (h x w x d) 157 x 45 x 164 mm
Sensor inputs S1, S2, S3 (fibre optic sensor (DSRT FS) can be connected per channel)
Binary inputs 24 V d.c., 3 mA (BI1, BI2)
Tripping relay Up to 250 V a.c./d.c. 5 A (T1, T2, T3, T4)
Binary output 24 V d.c. 20 mA (B01)
Operating temperature (TU ) –35 °C ... +70 °C
Tripping time of the relay 7 ms
Approvals VdS

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Quenching Device QD II

Quenching device for connection to DSRT DD CPS and DSRT DD PS detection devices.

1 Product

Part No. 782002 DSRT QD II

GTIN 4013364312562, Customs tariff No. (EU): 85363090, Gross weight: 5.23 kg, PU: 1.00 pc(s)

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Additional information

Quenching device
Device for quenching the arc fault with
2-phase connection to the main busbar system.
Rated peak withstand current Ipk: 220 kA
Rated short-time withstand current Icw: 110 kA / 300 ms
Rated operational voltage: 690 V AC
Frequency: 50 / 60 Hz


Brand: DEHN
Type: DSRT QD II
Part No.: 782002
or equivalent.

Certificates

 

Technical data

Standard IEC 60947-9-1:2019
Rated operating voltage (Ue ) 400 – 690 V AC
Rated short-time withstand current (Icw ) 110 kA, 300 ms
Rated peak withstand current (Ipk ) 242 kA
Dimensions (h x w x d) 177 x 120 x 180 mm
System configurations TN, TT, IT
Degree of protection IP 00
Approvals VdS

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Fibre Optic Cable

Prewired fibre optic cables for connecting DSRT DD CPS, DSRT DD PS detection devices and DSRT QD II quenching device units.
1 set = 2 pieces

4 Products

Part No. 782020 DSRT LWL 0.75

GTIN 4013364236509, Customs tariff No. (EU): 85447000, Gross weight: 10.00 g/PAK, PU: 1.00 PAK

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Additional information

Assembled fibre optic cable, 0.75 m
Assembled optical fibre cable for connecting DSRT DD CPS, DSRT DD PS detection devices with DSRT QD IIquenching devices or DSRT LWL U fibre optic converters with DSRT QD II quenching devices
Length: 0.75 m

Brand: DEHN
Type: DSRT LWL 0.75
Part No.: 782020
or equivalent.

Certificates

 

Technical data

Length 0.75 m
Diameter 2.2 mm
Approvals VdS

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Part No. 782022 DSRT LWL 2.00

GTIN 4013364236516, Customs tariff No. (EU): 85447000, Gross weight: 20.00 g/PAK, PU: 1.00 PAK

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Additional information

Pre-assembled fibre optic cable, 2.00 m
Assembled optical fibre cable for connecting DSRT DD CPS, DSRT DD PS detection devices with DSRT QD II quenching devices or DSRT LWL U fibre optic converters with DSRT QD II quenching devices
Length: 2.00 m

Brand: DEHN
Type: DSRT LWL 2.00
Part No.: 782022
or equivalent.

Certificates

 

Technical data

Length 2 m
Diameter 2.2 mm
Approvals VdS

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Part No. 782024 DSRT LWL 4.00

GTIN 4013364237193, Customs tariff No. (EU): 85447000, Gross weight: 36.00 g/PAK, PU: 1.00 PAK

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Additional information

Pre-assembled fibre optic cable, 4.00 m
Assembled optical fibre cable for connecting DSRT DD CPS, DSRT DD PS detection devices with DSRT QD II quenching devices or DSRT LWL U fibre optic converters with DSRT QD II quenching devices
Length: 4.00 m

Brand: DEHN
Type: DSRT LWL 4.00
Part No.: 782024
or equivalent.

Certificates

 

Technical data

Length 4 m
Diameter 2.2 mm
Approvals VdS

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Part No. 782028 DSRT LWL 8.00

GTIN 4013364237223, Customs tariff No. (EU): 85447000, Gross weight: 66.00 g/PAK, PU: 1.00 PAK

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Additional information

Pre-assembled fibre optic cable, 8.00 m
Assembled optical fibre cable for connecting DSRT DD CPS, DSRT DD PS detection devices with DSRT QD II quenching devices or DSRT LWL U fibre optic converters with DSRT QD II quenching devices
Length: 8.00 m

Brand: DEHN
Type: DSRT LWL 8.00
Part No.: 782028
or equivalent.

Certificates

 

Technical data

Length 8 m
Diameter 2.2 mm
Approvals VdS

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Point Sensor

DSRT PS point sensor for arc detection. Serial connection of max. 3 sensors at each sensor input of DSRT DD CPS and DSRT DD PS devices.

1 Product

Part No. 782060 DSRT PS

GTIN 4013364245860, Customs tariff No. (EU): 85364900, Gross weight: 32.00 g, PU: 1.00 pc(s)

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Additional information

Point sensor
Point light sensor for detecting the light emission of the arc fault.

Brand: DEHN
Type: DSRT PS
Part No.: 782060
or equivalent.

Certificates

 

Technical data

Dimensions (L x W x H) 90 x 32.8 x 19.5 mm
Fixing holes 2x 3.2 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 90° (180°)
Max. distance to the arc fault 2 m (0.5 m)
Sensor wiring Two cores and shielding
Sensor cable specification Twisted pair max. 0,5 mm², shielded
Max. sensor cable length per sensor channel 100 m
Degree of protection IP 60
Operating temperature (TU ) –20 °C ... +85 °C
Approvals VdS

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Fibre Optic Sensor

DSRT FS fibre optic sensor for arc detection. Connection of one sensor at each sensor input of DSRT DD FS devices.

5 Products

Part No. 782077 DSRT FS 8 1.5

GTIN 4013364273375, Customs tariff No. (EU): 90019000, Gross weight: 142.59 g, PU: 1.00 pc(s)

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Additional information

Fibre optic sensor, 8 m
Fibre optic sensor
Special light sensor for detecting the light emission of the arc fault.
Total length: 8m


Brand: DEHN
Type: DSRT FS 8 1.5
Part No.: 782077
or equivalent.

Certificates

 

Technical data

Sensor length 8 m
Active sensor length 5 m
Diameter 1.2 mm
Bending radius 50 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 360°
Max. distance to the arc fault max. 10 cm
Operating temperature (TU ) –5 °C ... +85 °C

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Part No. 782081 DSRT FS 10 1.5

GTIN 4013364273344, Customs tariff No. (EU): 90019000, Gross weight: 147.27 g, PU: 1.00 pc(s)

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Additional information

Fibre optic sensor, 10 m
Fibre optic sensor
Special light sensor for detecting the light emission of the arc fault.
Total length: 10 m


Brand: DEHN
Type: DSRT FS 10 1.5
Part No.: 782081
or equivalent.

Certificates

 

Technical data

Sensor length 10 m
Active sensor length 7 m
Diameter 1.2 mm
Bending radius 50 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 360°
Max. distance to the arc fault max. 10 cm
Operating temperature (TU ) –5 °C ... +85 °C

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Part No. 782085 DSRT FS 12 1.5

GTIN 4013364273443, Customs tariff No. (EU): 90019000, Gross weight: 150.00 g, PU: 1.00 pc(s)

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Additional information

Fibre optic sensor, 12 m
Fibre optic sensor
Special light sensor for detecting the light emission of the arc fault.
Total length: 12 m


Brand: DEHN
Type: DSRT FS 12 1.5
Part No.: 782085
or equivalent.

Certificates

 

Technical data

Sensor length 12 m
Active sensor length 9 m
Diameter 1.2 mm
Bending radius 50 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 360°
Max. distance to the arc fault max. 10 cm
Operating temperature (TU ) –5 °C ... +85 °C

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Part No. 782091 DSRT FS 15 1.5

GTIN 4013364273474, Customs tariff No. (EU): 90019000, Gross weight: 156.67 g, PU: 1.00 pc(s)

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Additional information

Fibre optic sensor, 15 m
Fibre optic sensor
Special light sensor for detecting the light emission of the arc fault.
Total length: 15 m


Brand: DEHN
Type: DSRT FS 15 1.5
Part No.: 782091
or equivalent.

Certificates

 

Technical data

Sensor length 15 m
Active sensor length 12 m
Diameter 1.2 mm
Bending radius 50 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 360°
Max. distance to the arc fault max. 10 cm
Operating temperature (TU ) –5 °C ... +85 °C

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Part No. 782092 DSRT FS 17 1.5

GTIN 4013364468092, Customs tariff No. (EU): 90019000, Gross weight: 170.88 g, PU: 1.00 pc(s)

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Additional information

Fibre optic sensor 17 m
Fibre optic sensor Special light sensor
for detecting the emission of light
of the arc fault.
Total length: 17 m

Brand: DEHN
Type: DSRT FS 17 1.5
Part No.: 782092
or equivalent.

Certificates

 

Technical data

Sensor length 17 m
Active sensor length 14 m
Diameter 1.2 mm
Bending radius 50 mm
Lower response threshold (Iparc ) 5 kA
Detection radius 360°
Max. distance to the arc fault max. 10 cm
Operating temperature (TU ) –5 °C ... +85 °C

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