1-pole Type 1 and Type 2 SPD for 48 Vdc
DS250E-48DC
Part Number: 63909
- 1-pole 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 EN61643-11 compliance

DS250E-48DC surge protectors are designed to protect equipment connected to DC power supplies from lightning surges
Select another reference:
SPD type following IEC test |
1+2 |
Network |
48 Vdc |
Nominal line voltage |
48 Vdc |
Nominal DC voltage |
48 Vdc |
Max. DC operating voltage |
75 Vdc |
Operating current Continious current at Uc |
< 0.1 mA |
Follow current |
None |
Nominal discharge current 15 x 8/20 µs impulses |
25 kA |
Max. discharge current max. withstand @ 8/20 µs by pole |
70 kA |
Total Maximal discharge current max. total withstand @ 8/20 µs |
140 kA |
Impulse current by pole max. withstand 10/350µs by pole |
25 kA |
Connection mode(s) |
+/PE or -/PE |
Protection mode(s) |
Common mode |
Protection level @ In (8/20µs) |
0.5 kV |
Specific energy by pole max. withstand 10/350 µs |
156 kJ/ohm |
Technology | MOV |
SPD configuration | 1-pole |
Connection to Network | By screw terminals : 6-35 mm² / by bus |
Format |
1-pole modular box |
Mounting |
Symmetrical rail 35 mm (EN60715) |
Housing material | Thermoplastic UL94-V0 |
Operating temperature | -40/+85°C |
Protection rating | IP20 |
Outdoor application |
False |
Failsafe behavior | Disconnection |
Disconnection indicator | 1 mechanical indicator |
Remote signaling of disconnection |
Output on changeover contact |
Dimensions |
See diagram |
Certification |
EAC |
Standards compliance |
IEC 61643-11 / EN 61643-11 / UL1449 4ed. |
Thermal disconnector | Internal |
Fuses |
Fuses type gG - 315 A |