Type 2 AC surge protector - 1-pole - pluggable

DAC50G-10-440
Part Number: 821120411
  • Type 2 AC multipolar surge protector
  • In : 20 kA
  • Imax : 50 kA
  • Pluggable module for each phase
  • Remote signaling option
  • EN 61643-11, IEC 61643-11 compliance
  • UL1449 ed.4 certified

The pluggable surge protectors Type 2 DAC50, are designed to protect AC powerline at the main switchboard of the installation. These SPDs are based on high energy varistor equipped with thermal disconnector and failure indicator, to comply with standards and to provide a maximum protection efficiency, an high impulse current capability and a improved reliability. The surge protectors DAC50 are available in multipolar version and in several voltages to protect single or 3-phase networks.

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SPD type 2
Max. AC operating voltage Uc 440 Vac
Temporary Over Voltage (TOV) Charasteristics - 5 sec. UT 580 Vac withstand
Temporary Over Voltage (TOV) Charasteristics - 120 mn UT 770 Vac disconnection
Residual Current Ipe None
Follow current If Yes
Follow current interrupting capability Ifi > 100 A
Nominal discharge current In 20 kA
Max. discharge current Imax 50 kA
Protection level Up 1.8 kV
Residuel voltage at 5 kA Up-5kA 1.3 kV
Admissible short-circuit current Isccr 50 000 A
Technology GDT
SPD configuration 1-pole
Connection to Network By screw terminals: 2.5-25 mm² (35 mm² rigid)
Format Plug-in modular box
Plugable Yes
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 from AC network
Disconnection indicator 1 mechanical indicator
Spare module(s) MDAC50G-440
Remote signaling of disconnection option DAC50GS-10-440 : output on changeover contact
Dimensions See diagram
Weight 0.088 kg
Standards compliance IEC 61643-11 / EN 61643-11 / UL1449 ed.4
Certification OVE / EAC
Thermal disconnector Internal
Installation ground fault breaker Type 'S' or delayed
Fuses 50 A mini. - 125 A max. - Fuses Type gG