DC power surge protector - 75 Vdc

Part Number: 828110221
  • Surge protector for DC supplies 1-pole
  • Type 1 + 2
  • In: 15 kA / Imax: 30 kA
  • Iimp: 4kA
  • Pluggable module
  • Remote signaling
  • prIEC 61643-41 compliance

The DDC range is Type 1 + 2 pluggable surge protectors designed for equipment connected to DC powerlines. The technology based on high energy varistor equipped with thermal disconnection mechanism offers protection efficiency and and a maximal reliability.

SPD type 1+2
Nominal DC voltage Un-dc 75 Vdc
Max. AC operating voltage Uc 60 Vac
Max. DC operating voltage Uc 85 Vdc
Residual Current Ipe < 0.1 mA
Follow current If None
Nominal discharge current In 20 kA
Max. discharge current Imax 30 kA
Impulse current by pole Iimp 4 kA
Connection mode(s) +/PE or -/PE
Protection level +/PE (-/PE) Up 390 V / -
Admissible short-circuit current Isccr 50 000 A
Network type DC
Technology MOV
SPD configuration Single phase
Connection to Network Srew terminals: 2.5-25mm² +/-: 1.5-10mm²
Plugable Yes
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 - Red/Green
Spare module(s) MDDC30-85
Remote signaling of disconnection Output on changeover contact
Dimensions See diagram - 1TE (EN43880)
Weight 0.070 kg
Standards compliance prIEC 61643-41
Thermal disconnector Internal
Fuses 50 A min. - 125 A max. - Fuses Type gG