Type 1+2 AC surge protector 3-phase
DS503E-400
Part Number: 3965
  • Type 1 + 2 unipolar surge protector
  • Iimp total: 100 kA on 10/350µs impulse
  • Imax : 140 kA on 8/20µs impulse
  • Internal disconnections, status indicators
  • Remote signaling
  • IEC 61643-11, EN 61643-11 and UL1449 ed.4 compliance
Installation Sheet
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The DS500E is a SPD with a very high impulse discharge current (Iimp) of 50 kA, based on multi-varistor technology. A such high value could be required in the worse-case conditions (200 kA direct strike on installation equipped with single phase or 3-phase AC network).
SPD type 1+2
Network 230/400 V 3-phase
AC system IT
Nominal line voltage Un 400 Vac
Max. AC operating voltage L-N Uc 440 Vac
Max. load current IL 100 A
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 580 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 770 Vac disconnection
Operating current Ic < 3 mA
Follow current If None
Nominal discharge current In 50 kA
Max. discharge current Imax 200 kA
Impulse current by pole Iimp 50 kA
Total lightning current Itotal 150 kA
Specific energy by pole W/R 156 kJ/ohm
Connection mode(s) L/PE
Protection mode(s) Common mode
Protection level L/PE Up L/PE 2.2 kV
Admissible short-circuit current Isccr 50000 A
Technology MOV
SPD configuration 3-phase
Connection to Network By screw terminals : 6-35 mm² / by bus
Format 1-pole modular box assembled
Mounting Symmetrical rail 35 mm (EN60715)
Housing material Thermoplastic UL94-V0
Operating temperature -40/+85°C
Protection rating IP20
Failsafe mode Disconnection
Disconnection indicator 1 mechanical indicator by pole
Remote signaling of disconnection Output on changeover contact
Dimensions See diagram
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification EAC