Type 2 AC surge protector - 3-phase+N
DS44-480
DS44-480
Part Number: 461006
  • Type 2 AC Multipolar surge protector
  • In : 20 kA
  • Imax total : 160 kA
  • Pluggable module for each phase
  • Remote signaling option
  • NF EN 61643-11, IEC 61643-11 compliance
  • UL1449 ed.4


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SPD type 2
Network 277/480 V 3-phase+N
AC system TNS/IT
Nominal line voltage Un 480 Vac
Max. AC operating voltage L-N Uc 530 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 700 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 920 Vac disconnection
Residual Current Ipe < 2 mA
Operating current Ic 0.5 mA
Follow current If None
Nominal discharge current In 20 kA
Max. discharge current Imax 40 kA
Total Maximum discharge current Imax Total 160 kA
Connection mode(s) L/PE and N/PE
Protection mode(s) Common mode
Protection level Up 2.5 kV
Admissible short-circuit current Isccr 25000 A
Technology MOV
SPD configuration 3-phase+Neutral
Connection to Network By screw terminals: 2.5-25 mm² / by bus
Format Plug-in modular box
Mounting Symmetrical rail 35 mm (EN60715)
Housing material Thermoplastic UL94-V0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Disconnection
Disconnection indicator 1 mechanical indicator by pole
Spare module(s) DSM40-480
Remote signaling of disconnection option: DS44S-480 - output on changeover contact
Weight 0.399 kg
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 4ed.
Certification UL / CSA / EAC
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed
Fuses Fuses type gG - 50 A