TPH-LBF-IA1.36.DE.1
TPH-LBF-IA1.36.DE.1
TPH-LBF-IA1.36.DE.1
TPH-LBF-IA1.36.DE.1
TPH-LBF-IA1.36.DE.1
TPH-LBF-IA1.36.DE.1
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TPH-LBF-IA1.36.DE.1

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Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 is a pluggable fieldbus surge protector that protects a Power Hub trunk connection and reports protection wear through diagnostics.
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Technical specifications for TPH-LBF-IA1.36.DE.1

  • Manufacturer:
    Pepperl + Fuchs
  • Part Number:
    TPH-LBF-IA1.36.DE.1
  • Product Family:
    Pepperl + Fuchs
  • Product Type:
    Fieldbus Surge Protector with Diagnostics
  • Stock:
    1
  • Design / Mounting:
    Pluggable cabinet-installation module
  • Installation Area:
    Zone 1 / Division 1
  • Trunk Application:
    FieldConnex Power Hub connection
  • Shield Connection:
    Directly grounded
  • Predictive Diagnostics:
    Included
  • Status Indicator:
    Green / red flashing LED
  • Self Current Consumption:
    6 mA max
  • Rated Voltage:
    36 V
  • Rated Current:
    600 mA
  • Continuous Voltage:
    33 V max
  • Line-to-Line Reaction:
    1 ns max
  • Line-to-Earth Reaction:
    100 ns max
  • Series Resistance:
    2 Ω ±5% per line
  • Connection Type:
    Screw terminals
  • Wire Capacity:
    2.5 mm² flexible; 4 mm² solid max
  • Housing Material:
    Polyamide PA 6.6
  • Degree of Protection:
    IP20
  • Operating Temperature:
    -40 to 70 °C
  • Storage Temperature:
    -40 to 85 °C
  • Relative Humidity:
    Up to 95% non-condensing
  • Grounding:
    M4 screw and external rail
  • Weight:
    0.0992 lbs (0.045 kg)
  • Estimated shipping dimensions:
    7.48x5.18x2.5cm
  • Tariff Code:
    8536300000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Surge Paths Diagnostic States Power Hub Fit Grounding Plan

Features:

  • Plugs directly between a FieldConnex Power Hub and its trunk cable.
  • Connects the trunk shield directly to earth through the module grounding arrangement.
  • Combines local LED indication with predictive surge-wear diagnostics.
The DE.1 version adds diagnostic electronics to the directly grounded trunk-protection format.

Voltage surges between the two fieldbus conductors and from either conductor to earth are limited inside the pluggable unit.

A removable module and common grounding rail allow one trunk position to be serviced without rerouting neighboring fieldbus cables.

The Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 Fieldbus Surge Protector may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 Fieldbus Surge Protector Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

How excess voltage is diverted

  • Conductor pair: The protection network clamps an overvoltage appearing between the fieldbus plus and minus lines.
  • Earth path: A separate path limits surges from either fieldbus conductor toward earth.
  • Normal traffic: Series elements preserve IEC 61158-2 fieldbus communication during ordinary operation.
  • End condition: The device follows line-inoperable mode 3 when surge stress exceeds its protection capability.

Local and remote condition reporting

  • Normal state: A flashing green LED confirms that the surge-protection circuit remains serviceable.
  • Surge event: A red flash records each detected overvoltage activation.
  • Wear warning: Repeated red flashes at power-up show how much surge headroom has been consumed.
  • Remote alarm: Supported Advanced Diagnostics hardware passes the maintenance indication to the control-room software.

Trunk connector installation

  • Supported position: The unit fits the trunk connector on compatible MBHD-FB or MBHC-FB Power Hub motherboards.
  • One per trunk: Each protected trunk connection receives its own surge-protection module.
  • Mechanical fixing: Two screws secure the protector and two more secure the replaced trunk connector.
  • DART exclusion: Do not combine the DE.1 diagnostic version with an MBHD-FB-D backplane.

Direct shield-earth arrangement

  • Shield route: The DE suffix identifies a direct electrical connection from cable shield to earth.
  • Support rail: An ACC-LBF-EB rail supports the module and establishes the common earth point.
  • Bonding conductor: The rail connects to the enclosure equipotential bonding system with the specified conductor.
  • Shared rail: Multiple trunk protectors may use one correctly sized grounding rail on the same Power Hub.
Description
Mounted between a FieldConnex Power Hub and its trunk cable, Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 diverts fieldbus overvoltage events while keeping the cable shield directly connected to earth.

The diagnostic circuit in Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 evaluates accumulated surge stress. A flashing green LED indicates normal status, and red indication identifies an event or a unit that requires maintenance; supported Advanced Diagnostics hardware can also relay the warning.

Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 plugs into the trunk connector of compatible MBHD-FB or MBHC-FB Power Hub motherboards and is secured to an external grounding rail. Its Ex ia construction supports FISCO and Entity fieldbus installations.
Alternative Names
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 TPH LBF IA1 36 DE 1 TPHLBFIA136DE1 TPH-LBF-IA1.36-DE.1 TPH-LBF-IA1.36.DE.1 Surge Protector FieldConnex TPH-LBF-IA1.36.DE.1 TPH-LBF IA1.36 DE1 TPH-L8F-IA1.36.DE.1
Technical notes
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 provides direct shield grounding and predictive diagnostics for a FieldConnex Power Hub trunk connection.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Where is Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 installed in a fieldbus segment?
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 plugs between a compatible FieldConnex Power Hub trunk connector and the outgoing trunk cable.
Does Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 provide a maintenance warning?
Yes. Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 flashes red when surge stress requires attention and can pass diagnostic information through supported Advanced Diagnostics hardware.
How is the cable shield grounded by Pepperl+Fuchs TPH-LBF-IA1.36.DE.1?
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 connects the shield directly to earth and uses an external grounding rail fixed below the module.
Can Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 be fitted to a DART Power Hub backplane?
No. Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 must not be combined with an MBHD-FB-D series DART Power Hub backplane.
What does the LED on Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 mean during operation?
A flashing green LED on Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 indicates normal protection status; red flashes report an overvoltage event or maintenance condition.
What installation hardware is needed for Pepperl+Fuchs TPH-LBF-IA1.36.DE.1?
Pepperl+Fuchs TPH-LBF-IA1.36.DE.1 is fastened to the Power Hub trunk connector and supported by the matching ACC-LBF-EB grounding rail.

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