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Model: DS72R

Origin: CITEL / France

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DS72R Type 2 AC Surge Protectors  are used mainly for primary protection of single-phase networks at the main electricalpanel.

They provide common-mode protection (between the active conductors and protective wire) and are available in one-phase, single-phase.

The DS72R protector high impulse discharge capability classifies this SPD as re-inforced Type 2, useful in case of high lightning density areas. IEC60364 standard requests Type 2 SPD at the entrance of installation if the keraunic level Nk > 25.

The SPD  is based on association of high energy varistors equipped with thermal disconnector and failure indicator, to comply with stan-dards. Version with a remote signaling for disconnection indication is also available (DS7*RS).

The DS72R is available for the main values of AC voltages.
The DS72R is DIN rail compatible and is built with a plug-in module (DSM70R-xxx) and a fixed base, which allows an easy and fastmaintenance
  • Re-inforced Type 2 Surge Protector
  • Discharge currents : In : 30 kA/ Imax : 70 kA
  • Pluggable module by phase
  • Remote Signaling option
  • IEC 61643-1 and EN 61643-11 compliance


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Model DS72R-230 DS72R-230/G DS72R-400
SPD type following IEC test 2
Network 230 Vac single phase
AC system TN TT IT
Nominal line voltage (Un) 230 Vac 230 Vac 400 Vac
Max. PV operating voltage L-N (Uc) 255 Vac 255 Vac 440 Vac
Temporary Over Voltage (TOV) Charasteristics-5
sec.without disconnection
335 Vac withstand 335 Vac withstand 580 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120
mn without disconnection or with safety disconnection
440 Vac disconnection 440 Vac disconnection 770 Vac disconnection
Temporary Over Voltage N/PE (TOV HT)
without disconnection or with safety disconnection
- 1200V/ 300A/200ms withstand  
Residual Current (Ipe)
Leakage current to Ground
< 2 mA
Operating current (Ic)
Continious current at Uc
< 1 mA
Follow current (If) None
Nominal discharge current (In)
15 x 8/20 μs impulses
30 kA
Max. discharge current (Imax)
max. withstand @ 8/20 μs by pole
70 kA
Total Maximal discharge current ( Imax total)
max. total withstand @ 8/20 μs
140 kA
Admissible short-circuit current (lsccr) 25000 A
Connection mode(s) L/PE và N/PE
Protection mode(s) Common Mode
Protection level L/N (Up-L/N)
@ In (8/20μs)
- 1.4 kV -
Protection level L/PE (Up-L/PE)
@ In (8/20μs)
1.4 kV - 1.8 kV
Protection level N/PE (Up N/PE)
@ In (8/20μs)
1.4 kV 1.5 kV 1.8 kV
Residual voltage at 10 kA (Up-10kA)
@ 8/20μs
1 kV 1 kV 1.4 kV
Residuel voltage at 5 kA (Up-5kA)
@ 5 kA (8/20μs)
0.9 kV 0.9 kV 1.2 kV
Internal short circuit protection No
Internal Thermal protection Yes
Mechanical Characteristics
Technology MOV
SPD configuration Single phase
Connection to Network  By screw terminals: 2.5-25mm²/ by bus
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
Disconnection indicator 2 mechanical indicator by pole
Spare module(s) DSM70R-230 DSM70R-230/G DSM70R-400
Remote signaling of disconnection option DS72RS-230 :
output on changeover contact
option DS72RS-230/G :
output on changeover contact
option DS72RS-400 :
output on changeover contact
Dimensions See diagram
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed
Fuses Fuses type gG - 100 A
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification EAC
Part Number 491501 491511 491401
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