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Model: DS220-12DC

Origin: CITEL / France

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CITEL DS240-12DC, Protection for 12V DC power line

The DS2x0-xxDC  surge protector  is designed to protect equipment connected to a DC power supply (or AC) against lightning surges.

These devices are based on high energy varistors (MOV) matched with the DC operating voltage (from 12 to 350 Vdc). The MOV are equipped with internal thermal disconnectors in order to provide safe end of life.

The indication of the disconnection status is provided by a mechanical indicator and is transmitted through a remote signal mechanism. The pluggable module allows an easy and fast maintenance.
The DS2x0-xxDC is DIN rail compatible and is connected in parallel on the DC line to be protected. 

Characteristics DS220-xxDC

MODEL DS220-12DC DS220-24DC
SPD type following IEC test 2
Network DC or PV 12Vdc DC or PV 24Vdc
Nominal DC voltage (Un-dc) 12Vdc 24Vdc
Nominal PV voltage (Uocstc) 12Vdc 24Vdc
Max. AC operating voltage L-N (Uc) 20Vac 30Vac
Max. PV operating voltage (Ucpv) 24Vdc 38Vdc
Max. DC operating voltage (Uc) 24Vdc 38Vdc
Max. load current (IL) 20A
Residual Current (Ipe)
Leakage current to Ground
< 0.1 mA
Operating current (Ic)
Continious current at Uc
< 0.1 mA
PV Permanent Operating current (Icpv)
Current consumption at Ucpv
< 0.1 mA
Follow current (If) none
Nominal discharge current (In)
15 x 8/20 µs impulses
Max. discharge current (Imax)
max. withstand @ 8/20 µs by pole
Total Maximal discharge current (Imax Total)
max. total withstand @ 8/20 µs
Current withstand short circuit PV (Iscpv) 1000A
Connection mode +/-/PE
Protection mode(s) Common mode
Protection level (Up)
@ In (8/20μs))
Protection level L/PE (Up L/PE)
@ In (8/20μs)
Residual Voltage at 3 kA (Up-3kA)
@ 8/20μs
Mechanical characteristics
Technology  MOV
SPD configuration  2 pole
Connection to Network  By screw terminals: 1.5-10mm² (actives wires)
and 2.5-25mm² (ground)
Format  Plug-in modular box 
Mounting  Symmetrical rail 35 mm (EN60715) 
Housing material   Thermoplastic UL94-V0
Operating temperature  -40/+85°C 
Protection rating  IP20
Failsafe behavior  disconnection from DC line 
Disconnection indicator  2 mechanical indicator 
Spare module(s) DSM220-12DC DSM200-24DC
Remote signaling of disconnection  Option DS220S-12DC :
output on changeover contact
Option DS220S-24DC :
output on changeover contact
Dimensions   See diagram 
Thermal disconnector  Internal
Fuses   Fuses type gG - 50 A 
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Chứng Certification UL UL
Part Number 390101 390501
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