DC power surge protector - 75 Vdc

DDC30-20-85
Part Number: 828110212
DDC30-20-85
  • 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
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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+2
Nominal DC voltage
 Un-dc 75 Vdc
Max. AC operating voltage
Uc 60 Vac
Max. DC operating voltage
 Uc 85 Vdc
Residual Current
Leakage current to Ground
 Ipe < 0.1 mA
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
 In 20 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 30 kA
Impulse current by pole
max. withstand 10/350µs by pole
 Iimp 4 kA
Total lightning current
max. total withstand @ 10/350µs
 Itotal 8 kA
Connection mode(s)
 +/PE and -/PE
Protection level +/PE (-/PE)
@ In (8/20µs)
 Up 390 V / 780 V
Admissible short-circuit current
 Isccr 50 000 A
Network type
 DC
Technology
 MOV
SPD configuration
 2-poles
Connection to Network
 Srew terminals: 2.5-25mm² +/-: 1.5-10mm²
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 AC network
Disconnection indicator
 2 mechanical indicators - Red/Green
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
Back-up protection device
50 A min. - 125 A max. - Fuses Type gG