Voltage-controlled smart decoupling device VCSD

  • VCSD: Voltage Controlled Smart Decoupling Device
  • Protection in case of transient, temporary and long-duration overvoltages
  • Does not negatively affect cathodic protection equipment
  • Adjustable response threshold for flexible use in a wide range of applications and operating states

Details

Limiting behaviour of the VCSD
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VCSD 40 IP65 – "intelligent coupling device"
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VCSD 40 IP65

Voltage-controlled smart decoupling device with adjustable response threshold for flexible use in a wide range of systems.

1 Product

Part No. 923401 VCSD 40 IP65

GTIN 4013364237766, Customs tariff No. (EU): 85363030, Gross weight: 13.76 kg, PU: 1.00 pc(s)

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Additional information

Voltage-controlled decoupling device VCSD
Voltage-controlled decoupling device
For protection in case of transient, temporary and long-duration overvoltages
Discharge current transient: (10/350 s): 100 kA
Temporary discharge current (16.7 Hz, 50 Hz, 60 Hz):
850 Arms (up to 200 ms)
Long-duration discharge current (16.7 Hz, 50 Hz, 60 Hz):
45 A (permanent)
Transient limiting voltage (up to 1 ms): 1.25 kV
Transient limiting voltage (ACrms) (1 to 20 ms):
940 V (1 kV as per German AfK recommendation no. 3)
Temporary limiting voltage (ACrms) (20 to 100 ms):
660 V (1 kV as per German AfK recommendation no. 3)
Temporary limiting voltage (ACrms) (100 to 200 ms):
400 V (1 kV as per German AfK recommendation no. 3)
Long-duration limiting voltage (ACrms) (> 200 ms):
max. 60 V (adjustable 3 to 50 V)
(protection of people as per German AfK recommendation 3/GW22)
With digital and analogue inputs/outputs
for remote monitoring and control

Brand: DEHN
Type: VCSD 40 IP65
Part No.: 923401
or equivalent.

Certificates

 

Technical data

Transient discharge current (10/350 µs) 100 kA
Transient discharge current (8/20 µs) 100 kA
Temporary discharge current (16.7 Hz, 50 Hz, 60 Hz) 850 Arms (up to 200 ms) *1)
Temporary discharge current (16.7 Hz, 50 Hz, 60 Hz) 500 Arms (up to 1 s)
Long-duration discharge current (16.7 Hz, 50 Hz, 60 Hz) 45 Arms (permanently) *2)
Long-duration limiting voltage (a.c.rms) (> 200 ms) max. 50 V (adjustable 3 to 50 V) *3)
Degree of protection IP 65
Dimensions 400 x 300 x 150 mm
*1) Derating depends on the "biasing current" (long-duration discharge current) and on the ambient temperature
*2) Derating depends on the ambient temperature; see operating and installation instructions
*3) fixed 60 V in manual switch-off mode with ext. supply

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