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1-pole Type 1 and Type 2 SPD for 48 Vdc

DS72R-48DC
Part Number 492101
DS72R-48DC
  • 2-poles surge protector 48 Vdc
  • Type 1 et Type 2
  • In 30 kA / Imax 70 kA
  • Remote signaling
  • Iimp 7 kA
  • Pluggable Module
  • IEC 61643-11, EN61643-11 and UL1449 ed.5 compliance
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DS72RS-48 DC 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
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
Total Maximum discharge current
max. total withstand @ 8/20 µs
Imax Total 140 kA
Impulse current by pole
max. withstand 10/350µs by pole
 Iimp 7 kA
Total lightning current
max. total withstand @ 10/350µs
 Itotal 14 kA
Connection mode(s)
 +/PE and -/PE
Protection mode(s)
 Common mode
Protection level +/PE (-/PE)
@ In (8/20µs)
 Up 300 V
Technology
 MOV
SPD configuration
 2-poles
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
Outdoor application
 No
Failsafe mode
 Disconnection from DC network
Disconnection indicator
 2 mechanical indicators
Spare module(s)
 DSM70R-48DC
Remote signaling of disconnection
 DS72RS-48DC option : output on changeover contact
Dimensions
 See diagram
Weight
 0.204 kg
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