Surge Protector AC - unipolar 40Ka

64,80 € tax incl.

Unipolar AC surge protector to protect your system.

  • Type 2 AC surge protector,
  • Operating voltage: 530 V  AC,
  • Nominal discharge current : 20KA,
  • Max. discharge current : 40KA, 
  • Pluggable module for each phase,
  • Remote signaling option,
  • NF EN 61643-11, CEI 61643-11 compliance,
  • UL1449 ed.4

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" Unipolar Type 2 AC surge protector to protect your system. "

DS40 type2 AC surge protector are used mainly for primary protection of single and 3- phase networks at the main electrical panel.
This SPD is based on high energy varistor equipped with thermal disconnector and failure indicator, to comply with standards.

Type 1 and Type 2 SPD - Installation and rules



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Other models available on request, please contact us.

Technical Data

Electrical characteristics

SPD type

follow test IEC 61643-11

2
Network277/480V
Nominal line voltageUn277 Vac
Max. AC operating voltageUc530 Vac

Temporary Over Voltage (TOV) Charasteristics - 5 sec.

without disconnection

UT700 Vac withstand

Temporary Over Voltage (TOV) Charasteristics - 120 mn

without disconnection or with safety disconnection

UT920 Vac disconnection

Temporary Over Voltage N/PE (TOV HT)

without disconnection or with safety disconnection

UT-

Operating current

LeakAge current at Uc

Ic< 1 mA
Follow currentIfNone

Nominal discharge current

15 x 8/20 µs impulses

In20 kA

Max. discharge current

max. withstand @ 8/20 µs by pole

Imax40 kA

Total Maximal discharge current

max. total withstand @ 8/20 µs

Imax Total-
Admissible short-circuit currentIsccr25000 A
Connection modeL/PE and N/PE
Protection mode(s)CM or DM
Protection levelUp2.5 kV

Protection level

@In (8/20µs) and @ 6kV (1.2/50µs)

Up2.5 kV

Protection level L/PE

for multipolar surge protector

Up L/PE-
Mechanical characteristics
TechnologyMOV
SPD configuration1-pole
Connection to NetworkBy screw terminals: 2.5-25 mm² / by bus
FormatPlug-in modular box
MountingSymmetrical rail 35 mm (EN60715)
Housing materialThermoplastic UL94-V0
Operating temperature-40/+85°C
Protection ratingIP20
Outdoor applicationNo
Failsafe behaviorDisconnection
Disconnection indicator1 mechanical indicator
Spare moduleDSM40-480
Remote signaling of disconnectionoption DS41S-480 : output on changeover contact
Associated disconnection devices
Thermal disconnectorinternal
Installation ground fault breakerType `S` or delayed
FusesFuses Type gG - 50 A
Standards compliance
Standards complianceIEC 61643-11 / EN 61643-11 / NF EN 61643-11 / UL1449 ed.4
CertificationUL / CSA /GOST