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  • Series
  • Model
  • Brand / Made in
  • Description: Type 1+2 AC surge protector - 1-pole
  • Standards compliance: IEC 61643-11 / EN 61643-11
  • Certification: EAC
  • Technology: MOV
  • Remote signaling of disconnection: Output on changeover contact
  • Network: 230/400 V
  • Max. AC operating voltage: 440 Vac
  • Residual Current: < 3 mA
  • Max. discharge current: 200 kA
  • Impulse current by pole: 50 kA
  • Protection level: 2.2 kV
  • Admissible short-circuit current: 50 000 A
The DS500E range of surge protectors are Type 1 + 2, very high power, they are intended to be installed at the entry of the Low Voltage installation. They are used to protect single-phase, three-phase or three-phase + Neutral networks in common mode or in common and differential mode. The 'Multi-Varistor' technology used allows the best possible behavior for the LV network (no follow-on current). The DS500E range is installed on a DIN Rail and has a double connection for the active conductor, which allows an optimized connection to the network.

Electrical Characteristics

  • SPD type (following IEC tests): 1+2
  • Network: 230/400 V
  • Max. AC operating voltage Uc: 440 Vac
  • Max. load current(if series connection) IL: 100 A
  • Temporary Over Voltage (TOV) Charasteristics - 5 sec (Without disconnection) UT: 580 Vac withstand
  • Temporary Over Voltage (TOV) Charasteristics - 120 mn (Without disconnection or with safety disconnection) UT: 770 Vac disconnection
  • Operating current Continious current at Uc Ic: < 3 mA
  • Follow current If: None
  • Nominal discharge current (15 x 8/20 µs impulses) In: 50 kA
  • Max. discharge current (max. withstand @ 8/20 µs by pole) Imax: 200 kA
  • Impulse current by pole (max. withstand 10/350µs by pole) Iimp: 50 kA
  • Specific energy by pole (max. withstand 10/350 µs) W/R: 625 kJ/ohm
  • Connection mode(s): L/N and L/PE
  • Protection level @ In (8/20µs)) Up: 2.2 kV
  • Admissible short-circuit current Isccr: 50 000 A

Mechanical Characteristics

  • Technology: MOV
  • Connection to Network: By screw terminals: 6-35mm² / by bus
  • Format: 1-pole modular box assembled
  • Mounting: Symmetrical rail 35 mm (EN 60715)
  • Housing material: Thermoplastic UL94 V-0
  • Operating temperature: -40/+85°C
  • Protection rating: IP20
  • Failsafe mode: Disconnection from AC network
  • Disconnection indicator: 1 mechanical indicator
  • Remote signaling of disconnection: Output on changeover contact
  • Dimensions: See diagram


  • Thermal disconnector: Internal
  • Installation ground fault breaker: Type S or delayed
  • Fuses: Fuses Type gG - 500 A


  • Standards compliance: IEC 61643-11 / EN 61643-11
  • Certification: EAC


DS500E-400 Type 1+2 AC surge protector - 1 pole is connected in parallel on the AC network and must be equipped with external fuses for short-circuit current protection

  • The total length of parallel 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).

  • Combine two DS500E-400 to get DS502E-400 used for AC 230 V single phase network, IT system
  • Combine three DS500E-400 to get DS503E-400 used for AC 230/400V 3-phase network, IT system
  • Combine four DS500E-400 to get DS504E-400 used for AC 230/400V 3-phase+N network, IT system




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