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  • Series
  • Model
  • Brand / Made in
  • Compact single-phase type 2 (or 3) surge protector - Monobloc
  • Type 2 or 3 monobloc compact
  • In/Imax: 5 kA/10 kA
  • Max. load current: 25A
  • 2-port configuration (series mounting)
  • Remote signaling (option)
  • EN 61643-11, IEC 61643-11, UL1449 ed.4 compliance


DACN10 AC surge protector is used for the 'secondary' protection of the single-phase networks against the surge voltages creating by lightning. DACN10 is equipped with an internal thermal safety which will disconnect the unit from the AC network in case of end of life. This disconnection is signaled by the extinction of the green LED on the front panel. Very compact, the DACN10 surge protector must be installed close by the equipment to protect, downstream a 'primary' surge protector. DACN10 provides both a common and differential mode protection.


  • SPD type: 2/3
  • Network: 230 V single-phase
  • AC system: TN
  • Nominal line voltage Un: 230 Vac
  • Max. AC operating voltage Uc: 275 Vac
  • Max. load current IL: 25 A
  • Temporary Over Voltage (TOV) Charasteristics - 5 sec UT: 335 Vac withstand
  • Temporary Over Voltage (TOV) Charasteristics - 120 mn UT: 440 Vac disconnection
  • Temporary Over Voltage N/PE (TOV HT) (Without disconnection or with safety disconnection) UT: 1200 V/300A/200 ms breaker disconnection
  • Residual Current Ipe: None
  • Nominal discharge current (15 x 8/20 µs impulses) In: 5 kA
  • Max. discharge current (max. withstand @ 8/20 µs by pole) Imax: 10 kA
  • Total Maximum discharge current Imax Total: 20 kA
  • Withstand on Combination waveform IEC 61643-11 (Class III test: 1.2/50µs - 8/20µs) Uoc: 10 kV 
  • Connection mode(s): L/PE and N/PE
  • Protection level N/PE @ In (8/20µs) Up N/PE: 1.1 kV
  • Protection level L/PE @ In (8/20µs) Up L/PE: 1.1 kV
  • Admissible short-circuit current Isccr: 10 000 A  


  • Technology: MOV
  • SPD configuration: single phase
  • Connection to Network: By screw terminals: 1.5-10mm²
  • Plugable: none
  • Mounting: Symmetrical rail 35 mm (EN 60715)
  • Housing material: Thermoplastic UL94 V-0
  • Operating temperature Tu: -40/+85°C
  • Protection rating: IP20
  • Failsafe mode: Disconnection from AC network
  • Disconnection indicator: Green LED OFF


  • Standards compliance: IEC 61643-11 / EN 61643-11 / UL1449 ed.4 


  • Thermal disconnector: Internal
  • Installation ground fault breaker: Type S or delayed
  • Fuses: Fuses type gG - 25A


DACN10-20-275 Type 2/3 AC surge protector - single-phase are connected in serial or parallel on the AC network and must be equipped with external fuses for short-circuit current protection

  • The total length of connection wires to AC network must be lower than 0.5 m in order not to increase the protection level (Up) provided by the SPD.
  • Wiring is made by screw connections. On some models, a distribution bus can be used.
  • The protection wire coming from the SPD must be connected to the bonding bar of the electrical panel. Paralleling the protection wire with phases conductors must be avoided.
  • The cross sectional wire must be 6 mm² minimum for Type 2 SPD and 16 mm² for Type 1.
  • Local earthing resistance must be in compliance with the electrical rules.

Further information can be found in IEC 61643-12 standard (selection and application principles for low voltage SPD).




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