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Surge Arrester – Type 1+Type 2

FLP12.5-275/1

Pluggable single-pole surge arrester consisting of a base part and plug-in protection module; with floating changeover contact.

  • Multi-purpose surge arrester consisting of a base element and plug-in protection odule
  • High discharge capacity due to heavyduty zinc oxide varistor
  • High reliability due to “Thermo Dynamic Control” SPD monitoring device
Surge-protection-device-SPDs-FLP12,5-275-1-OBO
Dimensions-FLP12,5-275-1-OBO
Dimensions
Basic-circuit-diagram-FLP12,5-275-1-OBO
Basic circuit diagram

Technical data

TypeFLP12,5-275/1
SPD according to EN 61643-11 / IEC 61643-11type 1 + type 2 / class I + II
Nominal a.c. voltage Un275 V AC (48/62 Hz)
Max. continuous operating a.c. voltage Uc320 V AC (48/62 Hz)
Nominal discharge current (8/20μs) In30 kA
Maximum discharge current (8/20μs) Imax60 kA
Lightning impulse current (10/350μs) Iimp12,5 kA
Voltage Protection level UP1,8 kV
Response time tA25 ns
Max. mains-side over-current protection160 A gL/gG
Short-circuit current rating ISCCR50 kArms
Temporary overvoltage (TOV) (UT) – Characteristic335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (UT) – Characteristic440 V / 120 min. – safe failure
Range of operating temperatures (TU)-40/+80°C
Operating state / fault indicationgreen / red
Number of ports1
Cross-sectional area (min.)1.5 mm2 solid /flexible
Cross-sectional area (max.)35 mm2 stranded / 25 mm2 flexible
For mounting on35 mm DIN rail acc. to EN 60715
Enclosure materialthermoplastic
Place of installationindoor installation
Degree of protectionIP 20
Capacity1 module(s), DIN 43880
Approvals
Type of remote signalling contact
a.c. switching capacity
d.c. switching capacity
Cross-sectional area for remote signalling terminals

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Iimp (10/350μs) = 12,5 kA

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Iimp (10/350μs) = 12,5 kA

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