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1-Pole 48 Vdc surge protector

DS72RS-48DC
Part Number 492121
DS72RS-48DC
  • 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.5

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
IEC

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
Continious current at Uc
Ic

< 0.1 mA

Follow current
If

None

Nominal discharge current
15 x 8/20 µs impulses
In

30 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

7 kA

Total lightning current
max. total withstand @ 10/350µs
Itotal

14 kA

Connection mode(s)

+/PE and -/PE

Protection mode(s)

Differential/Common mode

Protection level +/PE (-/PE)
@ In (8/20µs)
Up

300 V

Technology

MOV

SPD configuration

2-poles

Connection to Network

By screw terminals: 4-25mm²

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

Outdoor application

No

Failsafe mode

Disconnection from DC network

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 ed.5

Thermal disconnector

Internal

Back-up protection device

100 A min. - 125 A max. - Fuses type gG