2-pole Type 1 and Type 2 SPD for 48 Vdc
DS72RS-48DC
Part Number: 492121
- 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 and EN61643-11 compliance
- UL1449 ed.4
DatasheetDS72RS-48 DC surge protectors are designed to protect equipment connected to DC (and AC) power supplies from lightning surges.
Select another reference:
| SPD type following IEC test |
1 ou 2 |
| Network |
48 Vdc |
| Nominal line voltage |
48 Vdc |
| Nominal DC voltage | 48 Vdc |
| Max. DC operating voltage | 65 Vdc |
| Operating current Continious current at Uc |
< 0.1 mA |
| Follow current |
None |
| Nominal discharge current 15 x 8/20 µs impulses |
30 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 |
7 kA |
| Total lightning current max. total withstand @ 10/350µs |
14 kA |
| Connection mode(s) |
+/PE and -/PE |
| Protection mode(s) |
Common mode |
| Protection level @ In (8/20µs) |
300 V |
| Protection level L/PE @ In (8/20µs) |
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 (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 by pole |
| Spare module(s) |
DSM70R-48DC |
| Remote signaling of disconnection | Output on changeover contact |
| Dimensions |
See diagram |
| Standards compliance | IEC 61643-11 / EN 61643-11 / UL1449 4ed. |
| Certification | UL1449 ed.4 |
| Thermal disconnector | Internal |
| Fuses |
Fuses Type gG - 100 A |
