Type 2 AC surge protector - 3-phase+N

DS44-480
Part Number: 461006
DS44-480
  • 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.5
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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
Uc 530 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec.
Without disconnection
 UT 700 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn
Without disconnection or with safety disconnection
 UT 920 Vac disconnection
Residual Current
Leakage current to Ground
 Ipe < 1 mA
Operating current
Continious current at Uc
 Ic 0.5 mA
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
 In 20 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 40 kA
Total Maximum discharge current
max. total withstand @ 8/20 µs
Imax Total 160 kA
Connection mode(s)
 L/PE and N/PE
Protection mode(s)
 Common mode/Differential mode
Protection level
@ In (8/20µs)
 Up 2.5 kV
Admissible short-circuit current
 Isccr 25 000 A
Technology
 MOV
SPD configuration
 3-phase+Neutral
Connection to Network
 By screw terminals: 2.5-25mm² / by bus
Format
 Plug-in modular box
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
 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 ed.5
Certification
 UL / CSA
Thermal disconnector
 Internal
Installation ground fault breaker
 Type 'S' or delayed
Back-up protection device
Fuses type gG - 50 A