DC power surge protector - 75 Vdc
DDC30-20-85
DDC30-20-85
Part Number: 828110212
  • Surge protector for DC supplies 2-pole
  • Type 1 + 2
  • In: 15 kA / Imax: 30 kA
  • Iimp: 4kA
  • Pluggable module
  • Remote signaling (option)
  • prIEC 61643-41 compliance

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.

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SPD type 1 or 2
Nominal DC voltage Un-dc 75 Vdc
Max. AC operating voltage L-N Uc 60 Vac
Max. DC operating voltage Uc 85 Vdc
Residual Current Ipe < 0.1 mA
Follow current If None
Nominal discharge current In 20 kA
Max. discharge current Imax 30 kA
Impulse current by pole Iimp 4 kA
Total lightning current Itotal 60 kA
Connection mode(s) +/PE and -/PE
Protection level +/PE (-/PE) Up 390 V / 780 V
Admissible short-circuit current Isccr 50 000 A
Technology MOV
SPD configuration 2 poles
Connection to Network Srew terminals: 2.5-25 mm² +/- : 1.5-10 mm²
Mounting Symmetrical rail 35 mm (DIN 60715)
Housing material Thermoplastic UL94-V0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Disconnection from AC network
Disconnection indicator 2 mechanical indicators - Green/Red
Spare module(s) MDDC30-85
Remote signaling of disconnection Option DDC30S-20-85: 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 - 2TE (EN43880)
Weight 0.180 kg
Standards compliance prIEC 61643-41
Thermal disconnector Internal
Fuses 50 A mini. - 125 A max. - Fuses Type gG