DC power surge protector Type 2 - 75 Vdc - Compact

DDC40CS-20-100
DDC40CS-20-100
Part Number: 828410521
  • Type 2 DC power surge protector
  • Compact design
  • Imax : 40 kA
  • Pluggable module
  • Remote signaling
  • Low Up protection level
  • Compliance prIEC 61643-41 et IEC 61643-31

The DDC range is type 1 + 2 pluggable surge protectors designed for equipment connected to DC powerlines. The technology based on high energy varistor equipped with thermal disconnection mechanism offers protection efficiency and and a maximal reliability.


SPD type 2
Network DC network 75Vdc
Nominal PV voltage Uocstc 75 Vdc
Max. AC operating voltage Uc 75 Vac
Max. PV operating voltage Ucpv 100 Vdc
Max. DC operating voltage Uc 100 Vdc
Max. load current IL 20 A
Residual Current Ipe < 0.1 mA
PV Permanent Operating current Icpv < 0.1 mA
Nominal discharge current In 20 kA
Max. discharge current Imax 40 kA
Total Maximum discharge current Imax Total 80 kA
Current withstand short circuit PV Iscpv 1000 A
Connection mode(s) +/-/PE
Protection level +/PE (-/PE) Up 390 V
Technology MOV
Connection to Network By screw terminals: 1.5-10mm² (actives wires) and 2.5-25mm² (ground)
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
Failsafe mode Disconnection from network
Disconnection indicator 1 mechanical indicator - Red/Green
Spare module(s) MDDC40C-20-100
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 0.115 kg
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 ed.4
Thermal disconnector Internal
Fuses 50 A mini. - 125 A max. - Fuses Type gG