1-Pole 48 Vdc surge protector
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
ULCertificate_DS72RS-48DC.pdf
DS72RS-48 DC surge protectors are designed to protect equipment connected to DC (and AC) power supplies from lightning surges.
Select another reference:
| 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 Maximum 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 (EN 60715) | |
| Housing material | Thermoplastic UL94 V-0 | |
| Operating temperature | Tu | -40/+85°C |
| Protection rating | IP20 | |
| Failsafe mode | Disconnection | |
| Disconnection indicator | 1 mechanical indicator by pole | |
| Spare module(s) | DSM70R-48DC | |
| Remote signaling of disconnection | Output on changeover contact | |
| Dimensions | See diagram | |
| Weight | 0.205 kg |
| Standards compliance | IEC 61643-11 / EN 61643-11 / UL1449 ed.4 | |
| Certification | UL497B |
| Thermal disconnector | Internal | |
| Fuses | Fuses Type gG - 100 A min. – 125 A max.– Type gG |
