Fieldbus Segment Protection and Power Supplies
Expand your fieldbus system without disrupting communication. Our modular fieldbus system allows you to have increased flexibility without having costly downtime during preventative maintenance.

Fieldbus Segment Protection
Segment protectors provide you with trunk in and trunk out connections, as well as additional terminal connections for two spurs connected to fieldbus devices.
Fieldbus Power Supply
Isolated Foundation Fieldbus power supply with an integrated terminator. The power supply provides power for one of your segments.

| Module Grouping |
Voltage | Product Description | Type Description / Order Number |
Data Sheet | CAD |
| 2 Spur Trunk-in/Trunk out Segment protector ![]() |
9 - 31 Vdc | Foundation Fieldbus and Profibus PA segment protection with Trunk In and Trunk Out connections (preinstalled mechanical terminator) and additional terminal connections for 2 spurs connected to fieldbus end devices. Expansion is simple using T-Bus connectors to add additional 4 Spur segment protectors
![]() ![]() |
![]() FB-2SP-ET P/N 2316022 |
Datasheet | DXF |
| 4 Spur expansion Segment protector ![]() |
9 - 31 Vdc | Foundation Fieldbus and Profibus PA expansion segment protector with terminal connections for 4 spurs connected to fieldbus end devices. Additional expansion is simple using T-Bus connectors to add additional 4 Spur segment protectors
![]() |
![]() FB-4SP P/N 2316019 |
Datasheet | DXF |
| Isolated Foundation Fieldbus Power Supply/Conditioner ![]() |
19.2 - 35 Vdc | Isolated Foundation Fieldbus Power Supply with integrated Terminator. Multiple single channel modules can be installed using Phoenix Contacts T-Bus connector system reducing wiring and installation costs.
|
![]() FB-PS-25/0.36A P/N 2316035 |
Datasheet | DXF |








