Type 1+2 AC surge protector - 1-pole

DS250E-48DC
Part Number: 63909
DS250E-48DC
  • 2-poles surge protector 48 Vdc
  • Type 1 and Type 2 application
  • In 25 kA / Imax 70 kA
  • Remote signaling
  • Iimp 25 kA
  • IEC 61643-11 and EN 61643-11 compliance

DS250E-48DC surge protectors are designed to protect equipment connected to DC 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 75 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 25 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 25 kA
Specific energy by pole
max. withstand 10/350 µs
W/R 156 kJ/ohm
Connection mode(s)
+/PE or -/PE
Protection mode(s)
Common mode/Differential mode
Protection level +/PE (-/PE)
@ In (8/20µs)
Up 500 V
Technology
MOV
SPD configuration
Single phase
Connection to Network
By screw terminals: 6-35mm² / by bus
Format
1-pole 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
3 mechanical indicators
Remote signaling of disconnection
Output on changeover contact
Dimensions
See diagram
Standards compliance
IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Certification
Thermal disconnector
Internal
Back-up protection device
Fuses type gG - 315 A