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  • Series
    ATVOLT P
  • Model
    ATVOLT P48 (AT-8549)
  • Brand / Made in
    AT / SPAIN
  • Test type according to UNE-EN61643-11: Type 2+3
  • Nominal voltage Un: 48VDC
  • Maximum continuous operating voltage Uc: 65VDC
  • Nominal discharge current per pole (8/20µs wave) In: 10kA
  • Maximum discharge current per pole (8/20µs wave) Imax: 20kA
  • Protection level for 8/20µs wave at In Up: 730V
  • Combined wave voltage Uoc: 6kV
  • Response time tr: 25ns

ATVOLT P48 - SPD for the protection of DC lines with Un = 48VDC. In = 10kA. Up = 730V

  • To be installed in parallel.
  • Tested and certified as a protector Type 2+3 according to the standard EN IEC 61643-11.
  • Suitable for categories I, II, III and IV equipment according to the REBT.
  • Compact multi-pole protection.
  • In normal conditions, it remains inactive without affecting line operation or producing any leakages.
  • Discharge takes place in an internal encapsulated element with no external flash.
  • Mechanical connection of conductors using screws, in order to absorb a higher amount of overvoltage.
  • Quick response.
  • Low residual voltage.
  • ATVOLT P series protectors have been tested in official and independent laboratories, obtaining their characteristics according to relevant standards.

Name: ATVOLT P48
Reference: AT-8549
ELECTRICAL

  • Protection categories according to the REBT: I, II, III, IV
  • Test type according to UNE-EN61643-11: Type 2+3
  • Nominal voltage Un: 48 VDC
  • Maximum continuous operating voltage Uc: 65 VDC
  • Nominal discharge current per pole (8/20µs wave) In: 10 kA
  • Maximum discharge current per pole (8/20µs wave) Imax: 20 kA
  • Protection level for 8/20µs wave at In Up: 730 V
  • Combined wave voltage Uoc: 6 kV
  • Response time tr: 25 ns

ENVIRONMENTAL

  • Working temperature: -40 °C to +70 °C
  • Protector location: Indoor
  • Enclosure protection: IP20

CONSTRUCTION

  • Dimensions: L 36 mm x H 96 mm x W 80 mm
  • Number of DIN modules (DIN 43880): 2
  • Fixing: DIN Rail
  • Enclosure material: Polyamide
  • Insulation resistance: > 10^14 Ω
  • Self-extinguishing enclosure: V-0 Type according to EN IEC 60707 (UL94)
  • Type of connection: Parallel (one port)
  • Nr. of poles: 2
  • Warning Warning light: Green light: protector ok. Off: Replace

CONNECTION

  • Minimum multi-stranded section 4 mm2
  • Maximum multi-stranded section 35 mm2
  • Minimum single-stranded section 1 mm2
  • Maximum single-stranded section 35 mm2
  • Screw Philips, H2
  • Tightening 3 N·m

TESTS AND CERTIFICATIONS

  • Certificated tests according to EN IEC 61643-11.
  • Complies with requirements of UL 1449.
  • Relevant standards: NF C 17102, UNE 21186, EN IEC 62305.
  • Products compliant with EC requirements.
INSTALLATION
  • ATVOLT P protectors are installed in parallel with the line, connected to positive and negative lines and to the ground.
  • Protectors should preferably be installed as close to the equipment as possible.
  • Installation should be carried out without power in the line and can only be done by authorized professionals.
SAFETY AND MAINTENANCE
  • Connection to earth is a must. Earthing in the whole installation must be bonded either directly or by a spark gap and resistance should be lower than 10 Ω.
  • If the indications on this datasheet are not fulfilled during use or installation of the protectors, the protection provided by this device could be compromised.

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