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Type 1+2 DC surge protector 1-pole - pluggable

DS71R-48DC
Part Number 322101
DS71R-48DC
  • 2-poles surge protector 48 Vdc
  • Type 1 and Type 2
  • In 30 kA / Imax 70 kA
  • Remote signaling
  • Iimp 7 kA
  • Pluggable Module
  • IEC 61643-11 and EN61643-11 compliance
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DS70R-48DC surge protectors are designed to protect equipment connected to DC (and AC) power supplies from lightning surges.
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SPD type
1+2
Network
 48 Vdc
Nominal line voltage
 Un 48 Vdc
Nominal DC voltage
 Un-dc 48 Vdc
Max. DC operating voltage
 Uc 65 Vdc
Residual Current
Leakage current to Ground
 Ipe < 0.1 mA
Operating current
Continious current at Uc
 Ic < 0.1 mA
Follow current
If None
Nominal discharge current
15 x 8/20 µs impulses
 In 30 kA
Max. discharge current
max. withstand @ 8/20 µs by pole
 Imax 70 kA
Impulse current by pole
max. withstand 10/350µs by pole
 Iimp 7 kA
Connection mode(s)
 +/PE or -/PE
Protection level
@ In (8/20µs)
 Up 300 V
Technology
 MOV
SPD configuration
 Single phase
Connection to Network
 By screw terminals: 4-25mm²
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 DC network
Disconnection indicator
 1 mechanical indicator
Spare module(s)
 DSM70R-48DC
Remote signaling of disconnection
 DS71RS-48DC option : output on changeover contact
Dimensions
 See diagram
Standards compliance
 IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Thermal disconnector
 Internal
Back-up protection device
100 A min. - 125 A max. - Fuses type gG