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2794903 - Phoenix Contact Surge Protection Device

Surge protection device Modular terminal block with varistor as surge voltage protection between clamping connector and DIN rail, separate ground connection, nominal voltage: 24 V DC, mounting on NS 35/7.5, terminal width: 6.2 mm, terminal height: 69 mm


Part #: 2794903
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Phoenix Contact Surge Protection Device

Terminal Type: Modular Terminal Block
Includes: Varistor as Surge Voltage Protection
Nominal Voltage: 24 VDC
Terminal Width: 6.2 MM
Terminal Height: 69.0 MM
Connection: Separate Ground Connection
Mounting: NS 35/7.5
Product Type: Surge Protection Device
  • Connection data
    Conductor cross section AWG/kcmil max: 12
    Conductor cross section AWG/kcmil min.: 24
    Conductor cross section solid max.: 4 mm²
    Conductor cross section solid min.: 0.2 mm²
    Conductor cross section stranded max.: 4 mm²
    Conductor cross section stranded min.: 0.2 mm²
    Connection method: Screw connection
    Connection type IN: Screw terminal blocks
    Connection type OUT: Screw terminal blocks
    Screw thread: M3
    Stripping length: 8 mm
    Tightening torque: 0.5 Nm
  • Connection, protective circuit
    Standards/regulations: IEC 61643-21
  • General
    Ambient temperature (operation): -40 °C ... 85 °C
    Color: black
    Degree of protection: IP20
    Design: Single-level terminal block ? separate PE connection
    Direction of action: Line-Earth Ground
    Height: 69.5 mm
    Housing material: PA
    Inflammability class according to UL 94: V2
    Length: 66.5 mm
    Mounting type: DIN rail: 35 mm
    Total surge current (8/20) µs: 2 kA
    Width: 6.2 mm
  • Protective circuit
    Cut-off frequency fg (3 dB), asym. (PE) in 150 Ohm system: Typ. 300 kHz
    Ground conductor current I<sub>PE</sub>: ? 30 µA
    IEC category: C1
    IEC category: C2
    IEC category: C3
    Max. discharge surge current Imax (8/20) µs maximum (Core-Earth): 2 kA
    Maximum continuous operating voltage U<sub>C</sub>: 31 V DC
    Maximum continuous operating voltage U<sub>C</sub>: 25 V AC
    Maximum continuous voltage U<sub>C</sub> (wire-ground): 31 V DC
    Maximum continuous voltage U<sub>C</sub> (wire-ground): 25 V AC
    Nominal current I<sub>N</sub>: 32 A (50°C)
    Nominal discharge surge current I<sub>n</sub> (8/20) µs (Core-Earth): 700 A
    Nominal pulse current Ian (10/1000) µs (Core-Earth): 70 A
    Nominal voltage U<sub>N</sub>: 24 V DC
    Operating effective current I<sub>C</sub> at U<sub>C</sub>: ? 30 µA
    Output voltage limitation at 1 kV/µs (Core-Earth) spike: ? 90 V
    Output voltage limitation at 1 kV/µs (Core-Earth) static: ? 80 V
    Residual voltage at I<sub>n</sub>, (conductor-ground): ? 125 V
    Response time tA (Core-Earth): ? 25 ns
    Total surge current (8/20) µs: 2 kA
    VDE requirement class: C1
    VDE requirement class: C2
    VDE requirement class: C3
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