1-pole Type 1 and Type 2 SPD for 48 Vdc
DS72R-48DC
DS72R-48DC
Part Number: 492101
  • 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.4 compliance

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 Ic < 0.1 mA
Follow current If None
Nominal discharge current In 30 kA
Max. discharge current Imax 70 kA
Total Maximal discharge current Imax Total 140 kA
Impulse current by pole Iimp 7 kA
Total lightning current Itotal 14 kA
Connection mode(s) +/PE and -/PE
Protection mode(s) Common mode
Protection level +/PE (-/PE) Up 300 V
Technology MOV
SPD configuration 1-pole
Connection to Network by screw terminals: 4-25 mm²
Format Plug-in modular box
Mounting Symmetrical rail 35 mm (DIN 60715)
Housing material Thermoplastic UL94-V0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Disconnection
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 4ed.
Thermal disconnector Internal
Fuses Fuses Type gG - 100 A min. – 125 A max.– Type gG