Project Description



Pluggable modular multi-pole 24V 36V DC SPD type 2 lightning current surge arrester for use in photovoltaic systems

  • With remote signaling contact for monitoring device (floating changeover contact) (S)
  • For installation in the DC circuits of solar photovoltaic systems, string box, inverter
  • Mode of Protection: (DC+) – PE, (DC-) – PE, (DC+) – (DC-)
  • EU Category: Type 2
  • Protective Elements: High Energy MOV
SPD according to EN 61643-11 / IEC 61643-11type 2 / class IItype 2 / class II
Nominal d.c. voltage Un24 V24 V
Max. continuous operating d.c. voltage Uc36 V36 V
Nominal discharge current (8/20μs) In20 kA20 kA
Maximum discharge current (8/20μs) Imax40 kA40 kA
Voltage protection level UP0,3 kV0,3 kV
Residual current – Leakage current at Uc  IPE< 0.1 mA< 0.1 mA
Max. Load current if connection series IL20 A20 A
Response time tA25 ns25 ns
Range of operating temperatures (TU)-40/+80°C-40/+80°C
Operating state / fault indicationgreen / redgreen / red
Number of ports11
Cross-sectional area (min.)1.5 mm2 solid /flexible1.5 mm2 solid /flexible
Cross-sectional area (max.)35 mm2 stranded / 25 mm2 flexible35 mm2 stranded / 25 mm2 flexible
For mounting on35 mm DIN rail acc. to EN 6071535 mm DIN rail acc. to EN 60715
Enclosure materialthermoplasticthermoplastic
Place of installationindoor installationindoor installation
Degree of protectionIP 20IP 20
Capacity2 module(s), DIN 438802 module(s), DIN 43880
Type of remote signalling contactchangeover contact
a.c. switching capacity250 V / 0.5 A
d.c. switching capacity250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminalsmax. 1.5 mm2 solid / flexible

ac spd details 1


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