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ThyAn Lightning and Surge Protection
ATLINK 35 Decoupling inductor for SPD power supply coordination

ATLINK 35 Decoupling inductor for SPD power supply coordination

Model: AT-8435

Origin: AT3W / Spain

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AT-8435 ATLINK 35 : lines with IN≤ 35A

A proper protection against transient overvoltages needs a good coordination between SPDs. ATLINK inductors provide decoupling between SPDs when they are connected in parallel at a same line. Thus, each one acts at the right moment, achieving the double objective: withstanding the lightning current and reducing the overvoltage to an acceptable level for the connected equipment.

One ATLINK is needed for each line and another for neutral. For their selection the line working current must be taken into account , since this current will flow continuously through the device.
Its coordination capability has been tested and certified using lightning wave 10/350μs according to EN 61643-11.

  • Allows the installation of SPDs of different classes in the same place, since the inductor substitutes the necessary length of cable for SPD coordination.
  • Robust connectors, suitable for all kind of connections.

ATLINK devices have been tested in offi cial, independent laboratories, verifying their working for a proper SPD coordinatio

Installation ATLINK 

ATLINK inductors are to be installed in series with the LV power supply line, that is, cutting the line and connecting the obtained cable ends to the input and output connectors of the ATLINK.

One ATLINK is needed for each line and another one for the neutral. There is no ground connection. The power should be disconnected during the installation of the SPD.

Coordinates mainly ATSHOCK and ATSHIELD with ATSUB and/or ATCOVER surge protective devices when they cannot be separated by a cable at least 10 meters long 


Technical Datasheet ATLINK 35

 Model / Reference ATLINK 35
 Protection categories according to REBT: I, II, III, IV
 Maximum working current:  I¬L  35A
 Nominal Voltage: Un   230Vac
 Maximum continuous operating voltage: Uc   255Vac
 Nominal frequency:   50-60Hz
 Maximmum current (8/20μs wave): Imax   100kA
 Impulse coordinated current (10/350μs wave):  Iimp   100kA
 Inductancia: L   15µH
 Resistance:   3mΩ
 SPD location:   Indoor
Type of connection:   Series (two ports)
 Working temperature:   -40ºC to +70ºC
 Dimensions: 72 x 90 x 80mm (4 mod. DIN43880)
 Fixing:   DIN Rail 
 Enclosure material:   Polyamide
 Enclosure protection:   IP20
 Insulation resistance:   >100.000.000MΩ
 Autoextinguish enclosure:   V-0 Type according to UNE-EN 60707 (UL94)
 Connections L/N/G:   Min/Max section multi-stranded: 4 / 35 mm² (11/2 AWG)
Min/Max section single-stranded: 1 / 35 mm² (17/2 AWG)
Certificated tests according to: IEC 61643-1, EN 61643-11
Complies with requirements of: UL 1449
Relevant standards: UNE 21186, NFC 17102, IEC 62305
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