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
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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
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
Wiring for remote signaling
 1.5 mm² max.
Max. Voltage/Current for remote signaling
 250 V / 0.5 A (AC) / 30 V / 3 A (DC)
Dimensions
 See diagram
Weight
 0.25 kg
Standards compliance
 IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Certification
Thermal disconnector
 Internal
Back-up protection device
Fuses type gG - 315 A