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DC power surge protector Type 2 - 24 Vdc

DDC20CS-20-38
Part Number: 828210421
DDC20CS-20-38
  • Type 2 DC power surge protector
  • Compact design
  • Imax : 20 kA
  • Pluggable module
  • Low Up protection level
  • Remote signaling
  • Compliance prIEC 61643-41 et IEC 61643-31

The technology based on high energy varistor equipped with thermal disconnection mechanism offers protection efficiency and and a maximal reliability. High-energy varistor technology combined with disconnectors, provides maximum protection efficiency and reliability. The Type 2 DDCC version is particularly compact and available for voltages from 12 to 350 Vdc.


SPD type 2
Network DC network 24Vdc
Nominal PV voltage Uocstc 24 Vdc
Max. AC operating voltage Uc 30 Vac
Max. PV operating voltage Ucpv 38 Vdc
Max. DC operating voltage Uc 38 Vdc
Max. load current IL 20 A
Residual Current Ipe < 0.1 mA
PV Permanent Operating current Icpv < 0.1 mA
Follow current If None
Nominal discharge current In 10 kA
Max. discharge current Imax 20 kA
Total Maximum discharge current Imax Total 40 kA
Current withstand short circuit PV Iscpv 1000 A
Connection mode(s) +/-/PE
Protection level +/PE (-/PE) Up 250 V
Network type DC
Technology MOV
Connection to Network By screw terminals: 1.5-10mm² (actives wires) and 2.5-25mm² (ground)
Compact Yes
Format Plug-in modular box
Plugable Yes
Mounting Symmetrical rail 35 mm (EN 60715)
Housing material Thermoplastic UL94 V-0
Operating temperature Tu -40/+85°C
Protection rating IP20
Outdoor application No
Failsafe mode Disconnection from DC network
Disconnection indicator 1 mechanical indicator - Red/Green
Spare module(s) MDDC20C-20-38
Remote signaling of disconnection Output on changeover contact
Wiring for remote signaling 1.5 mm² max.
Max. Voltage/Current for remote signaling 250 V / 0.5 A (AC) / 30 V / 3 A (DC)
Dimensions See diagram - 1TE (EN43880)
Weight 0.103 kg
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Thermal disconnector Internal
Fuses 20 A min. - 125 A max. - Fuses type gG