DC power surge protector Type 2 - 24 Vdc

DDC20C-20-38
Part Number 828210411
DDC20C-20-38
  • Type 2 DC power surge protector
  • Compact design
  • Imax: 20 kA
  • Pluggable module
  • Remote signaling (option)
  • Low Up protection level
  • Compliance prIEC 61643-41 and UL1449 ed.5
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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.
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SPD type
IEC

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 @25°C
 IL

20 A
Residual Current
Leakage current to Ground
 Ipe

< 0.2 mA
PV Permanent Operating current
Current consumption at Ucpv
 Icpv

< 0.1 mA
Follow current
If

None
Nominal discharge current
15 x 8/20 µs impulses
 In

10 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax

20 kA
Total Maximum discharge current
max. total withstand @ 8/20 µs
Imax Total

40 kA
Current withstand short circuit PV
 Iscpv

1000 A
Connection mode(s)

+/-/PE
Protection level +/PE (-/PE)
@ In (8/20µs)
 Up

250 V
Network type

DC
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
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

Option DDC20CS-20-38 : output on changeover contact
Dimensions

See diagram - 1TE (EN43880)
Weight

0.100 kg
Standards compliance

prIEC 61643-41 and UL1449 ed.5
Thermal disconnector

Internal
Back-up protection device

20 A min. - 125 A max. - Fuses type gG