Citel 277/480VAC 4-Pole DIN Mount Surge Protector

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Quick Overview

  • Number of Poles: 4.0
  • Mounting: DIN
  • Max AC Voltage: 480.0
  • Type: electricalDistributionSku
  • Max Surge Rating: false
  • Citel 277/480VAC 4-Pole DIN Mount Surge Protector

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  • DS40 is a general duty AC Surge Protection Device for high risk electrical service entrance and branch panel applications.
  • The DS40 provides protection against the direct and indirect effects of lightning and is particularly useful in limited spaces.


    Brand CITEL
    Manufacturer Part Number DS44S-400
    Number of Poles 4.0
    Mounting DIN
    Max AC Voltage 480.0
    Type electricalDistributionSku
    Max Surge Rating false
    Length 6.0
    Width 4.0
    Height 4.0
    Weight 2.0  LB
    Volume 96.0  CIN


    AC Network 240/415V 277/480V
    Connection mode L-N or L-G
    UL Max. Operating Voltage (MCOV) 420Vac
    TOV Withstand (UT) 420Vac
    IEC/UL Nominal Discharge Current 15 impulses 8/20 μs (ln) 20kA
    Max. Discharge Current 1 impulse 8/20 μs (lmax) 40kA
    UL Voltage Protection Rating (VPR) 1500V
    Protection Level at In (Up) 1.8kV
    UL Short-Circuit Current Rating (SCCR) 100kAIC
    Leakage Current at MCOV (lc <1mA
    Follow Current (lf) none
    AC System IT, TT, TN, Single, Split Phase, Delta, Wye
    Thermal Disconnector UL 60691
    Overcurrent Protection Time Delay - 125A Max.

    Mechnical characteristics

    Connection to Network by screw terminals, #4 AWG Max.
    Operating Altitude 13,000 ft (4,000m)
    Remote Signal Indicator 250Vac Max, 2A
    Mounting Din Rail, 35mm Symmetrical
    Operating temperature -50°C to +85°C
    Protection class IP20
    Housing material Thermoplastic UL94-V0
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