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    • Circuit Protec­tion & Modular Switches
    • Circuit Protec­tion
    • Surge Protec­tion Device (SPD)
    • SPB420
    EAN
    3250615515292
    VPE
    1 piece
    • Surge Protec­tion Device (SPD)

    SPD 4P T2 TNS/TT Uc 350V In 20kA Imax 40kA 315A SPB420

    Price
    £547.59
    / piece *
    £547.59
    / piece *
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    SPD 4P T2 TNS/TT Uc 350V In 20kA Imax 40kA 315A

    SPB420

    • Accessories
    • Technical characteristics
    • catalog.pageproduct.title_sustainability.h2
    • Documentations
    • More products

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    • Accessor­ies/s­pare parts for surge protec­tion power supply systems 2 product.page.accessories.products-available

    product.page.accessories.title-modal

    • Accessor­ies/s­pare parts for surge protec­tion power supply systems
    • SPB020N

      Cartridge 1P T2 N-PE SPB420

      £72.06  / piece*
    • SPB020

      Cartridge1P T2 L-N SPB420

      £86.48  / piece*

    Technical characteristics

    Capa­city
    • Number of modules
      2.70
    Voltage
    • Continuous oper­ating voltage Uc
      350 V
    • Voltage protec­tion level Up
      1.50 kV
    • Mode of protec­tion design
      Voltage-switching and voltage-lim­iting compon­ents connected in series
    • Voltage protec­tion level Up N-PE
      1,500 V
    • Voltage protec­tion level Up L-N (PEN)
      1.5 kV
    • Voltage protec­tion level Up L-PE
      1.9 kV
    • Voltage level Up L-N/PEN IEC 61643-11
      1,500 V
    • Refer­ence test voltage Utest AC
      264 V
    • Over­voltage category according to IEC 60947-1
      3
    • Nominal voltage
      240 - 415 V AC ± 10%
    Elec­tric current
    • Max. over­cur­rent protec­tion device, parallel connec­tion (fuse)
      315 A
    • Max. over­cur­rent protec­tion device, series connec­tion (fuse)
      63 A
    • Max. discharge current (Imax)
      40 kA
    • Max. discharge current (Imax) L-N (PEN)
      40 kA
    • Nominal discharge current In
      20 kA
    • Nominal discharge current In 8 - 20 µs L-N (PEN)
      20 kA
    • Nominal discharge current In 8 - 20 µs N-PE
      20 kA
    • Follow current inter­rupting rating
      0.1 kA
    • Short-­cir­cuit current rating (Isccr)
      50 kA
    • Residual current Ipe
      ≤ 1 µA
    Dimen­sions
    • Height
      89.9 mm
    • Width
      49.20 mm
    • Depth
      71.2 mm
    • Strip­ping length
      16 mm
    Safety
    • Ingress Protec­tion (IP) class
      IP20
    • Protec­tion class
      Isol­a­tion class II
    • TOV beha­viour at UT (N-PE)
      1200 V AC (200 ms / with­stand mode)
    • Mode of protec­tion
      L-N, L-PE, N-PE
    • Current trip­ping factor k
      1.6
    • TOV beha­viour at UT (L-N)
      460 V AC (120 min / safe failure mode)
    Use condi­tions
    • Oper­ating temper­ature
      -40 - 80 °C
    • Air humidity protec­tion
      5 - 95%
    • Stor­age/trans­port temper­ature
      -40 - 80 °C
    • Degree of pollu­tion according to IEC 60664 / IEC 60947-2
      2
    • Max. alti­tude
      2,000 m
    Mater­ials
    • Product colour
      Light grey
    • RAL code
      7035
    • Material
      Ther­mo­plastic
    Network config­ur­a­tion
    • Network type
      TN-S, TT
    • Network TN
      No
    • Network TN-C
      No
    • Network DC
      No
    • Network IT
      No
    • Network TT
      Yes
    • Network TN-C-S
      No
    • Network TN-S
      Yes
    Equip­ment
    • With remote signalling contact
      No
    • Rated load current IL
      40 A
    Connec­tion
    • Cross-sec­tion flex­ible conductor
      2.5 - 16 mm²
    • Cross-sec­tion rigid conductor
      2.5 - 25 mm²
    • Connect­or/plug type
      Screw terminal
    • Number of connec­tions
      1
    Stand­ards
    • Surge protec­tion device type
      T2
    Frequency
    • Frequency
      50 - 60 Hz
    Install­a­tion, mounting
    • Nominal tight­ening torque
      4.5 - 4.5 Nm
    • Suit­able for indoor usage
      Yes
    Archi­tec­ture
    • Type of pole
      3P+N
    Config­ur­a­tion
    • With integ­rated protec­tion fuse
      No
    Connectivity
    • Mounting type
      DIN rail
    • Type of connec­tion
      Screw connec­tion
    Controls and indic­ators
    • With indic­ator lamp
      Yes
    Func­tions
    • Discon­nector indic­a­tion
      Optical
    • Suit­able for addi­tional system config­ur­a­tion
      No
    Fuse
    • Fuse char­ac­ter­istics
      gG
    Internal use only
    • Standard
      IEC/EN 61643-11
    Specific iden­ti­ficaton attrib­utes for Protec­tion
    • Filter Type product
      SPD

    catalog.pageproduct.title_sustainability.h2

    We are committed to bettering our environmental performance by reducing our footprint while acting as a sustainability enabler for our customers Learn More

    RoHS conform Yes
    REACh-SVHC free Yes

    catalog.pageproduct.sustainability_block.downloads_h3

    REACH declaration SPB420
    PDF
    Hager RoHS report SPB420
    PDF

    Downloads

    • Product image

      Image SPB420  | Hager UK

      Product Image SPB420

    • GeneratedProductDatasheet

      Image Hager Product data sheet SPB420  | Hager UK

      Hager Product data sheet SPB420

      SPD 4P T2 TNS/TT Uc 350V In 20kA Imax 40kA 315A

      PDF
    • ProductInstallationManual

      Image Installation manual en-GB, fr-FR, de-DE 2021-05-11  | Hager UK

      Installation manual en-GB, fr-FR, de-DE 2021-05-11

      PDF
      667,62 kB
    • ProductECDeclaration

      Image Declaration of conformity en-US 2026-07-15  | Hager UK

      Declaration of conformity en-US 2026-07-15

      PDF
      339,70 kB
    More documentation

    Discover our other products of this range

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      SPA180 - Combined SPD T1+T2 1P Iimp 25kA Up 1.5kV with remote contact integrated fuse
      SPA180
      Combined SPD T1+T2 1P Iimp 25kA Up 1.5kV with remote contact integrated fuse
      Price
      £695.61
      / piece *
      £695.61
      / piece *
    • 2
      SPC203N - SPD T3 1P+N Uc 264V In 5kA Up 1.25kV with remote contact
      SPC203N
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      Price
      £141.56
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      £141.56
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    • 3
      SPB040D - Cartridge L-N Uc 275V In 20kA Imax 40kA Up 1,35kV
      SPB040D
      Cartridge L-N Uc 275V In 20kA Imax 40kA Up 1, 35kV
      Price
      £86.48
      / piece *
      £86.48
      / piece *
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    • 5
      SPA180N - Combined SPD T1+T2  1P N-PE  Iimp 100kA Uc 1.5KV remote contact integrated fuse
      SPA180N
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      Price
      £243.83
      / piece *
      £243.83
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    Registered in England, No: 01551990
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