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Model: DS210-12DC

Origin: CITEL / France

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Protection for DC power line 12Vdc

The CITEL DS210..DC surge protector  is designed to protect equipment connected to DC (and AC) power supplies from lightning surges. 

It is based on varistors matched to the network voltage (12, 24, 48, 75, 95, 110 and 130Vdc): the varistors have thermal disconnection devices to control any end-of-life case.

A green LED that indicates «Power On» when lit and «Disconnection» when off, facilitates maintenance.

In addition, the «surge protection» function is pluggable to make replacement simple and rapid (spare module : DSM210-..DC).

The DS210..DC is DIN rail compatible and is connected in parallel on the line to be protected.



Characteristics DS210-12DC

SPD type following IEC test 2 or 3
Network DC network 12Vdc
Nominal DC voltage (Un-dc) 12Vdc
Max. AC operating voltage L-N (Uc) 10Vac
Max. DC operating voltage (Uc) 15Vdc
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
Internal Thermal protection YES
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  Green led off
Spare module(s) DSM210-12DC
Dimensions   See diagram 
Thermal disconnector  Internal
Fuses   Fuses type gG - 10 A 
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Part Number 440201
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