Type 2 AC surge protector + RFI filtering
Part Number: 461690
  • Type 2 AC surge protector
  • RFI filtering integrated
  • In : 20 kA
  • Imax : 40 kA
  • Pluggable module
  • Remote signaling option
  • EN 61643-11, IEC 61643-11, UL1449 ed.4 compliance
Installation Sheet

DS40HF Surge Protectors are designed for primary surge protection AC networks. They provide common-mode protection (between the active conductors and ground). A specific RFI filter is added in order to suppress high frequency disturtances. The DS4xHF is DIN rail compatible and is built with a plug-in module and a fixed base, which allows a easy and fast maintenance.

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SPD type
following IEC test
120/208 V
Nominal line voltage
120 Vac
Max. AC operating voltage L-N 150 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec.
without disconnection
180 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn
without disconnection or with safety disconnection
230 Vac disconnection
Operating current
Continious current at Uc
< 1 mA
Follow current
Nominal discharge current
15 x 8/20 µs impulses
20 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
40 kA
Admissible short-circuit current 25000 A
RFI Filtering 0.1-30 Mhz
Connection mode(s)
L/N or N/PE
Protection mode(s)
Common Mode or Differential Mode
Protection level
@ In (8/20µs)
0.9 kV
Max. shunt capacitance 0,22 µF
Technology MOV+Filter
SPD configuration 1-pole
Connection to Network by screw terminals: 2.5-25 mm²
Format Plug-in modular box
Mounting Symmetrical rail 35 mm (EN60715)
Housing material Thermoplastic UL94-V0
Operating temperature -40/+85°C
Protection rating IP20
Outdoor application
Failsafe behavior Disconnection
Disconnection indicator 1 mechanical indicator
Spare module(s)
Remote signaling of disconnection Output on changeover contact
See diagram
Certification UL / CSA / EAC
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed
Fuses type gG - 50 A