Pepperl+Fuchs 098918 Field-Mount Surge Protection Barrier
The Pepperl+Fuchs article number for the FN-LB-I one-channel surge protection barrier in a stainless-steel IP67 field housing.
Key Information
key informationPepperl+Fuchs 098918 is the article number for the FN-LB-I surge protection barrier. It protects one signal line by diverting induced transient current to ground and limiting the voltage applied to the connected instrument.
The field-mount stainless-steel housing uses a 1/2 NPT connection and a 0.3 m cable. Correct operation depends on a solid, effective ground at the same equipotential level as the protected instrument.
The barrier is suitable for intrinsically safe circuits, but it does not create the separation between intrinsically safe and non-intrinsically safe circuits.
Functions
functionsTransient diversion
Routes lightning- and switching-induced surge current to the grounding path.
Voltage limitation
Limits line-to-line and line-to-ground voltage during the transient event.
Field-device installation
Threads into an available field-device or terminal-box cable entry.
About IndustryParts
https://www.industryparts.com/Exact-model support for 098918
IndustryParts keeps the complete 098918 identity, requested quantity and installed-system evidence together so the proposed supply can be compared with the actual application before dispatch.
Specifications
specificationsInstallation
installationVerify the 1/2 NPT entry and the field-device environmental rating.
Confirm the intrinsically safe circuit parameters and applicable hazardous-area certificate.
Bond 098918 to a solid, effective ground at the same equipotential level as the instrument.
Route the supplied cable without defeating enclosure sealing or conductor separation.
Inspect grounding continuity and cable entry before commissioning.
Replace a damaged device; do not repair, modify or manipulate the surge protector.
Lifecycle
lifecycleGround integrity
The protection path remains effective only while the bonding and equipotential connection are sound.
Visual inspection
Check the housing, cable, thread and sealing during planned field maintenance.
Original replacement
Use the complete 098918 / FN-LB-I identity when a damaged barrier is replaced.
FAQ
faqWhy should both 098918 and FN-LB-I appear on the enquiry?
098918 is the Pepperl+Fuchs article number and FN-LB-I is the product designation; providing both prevents confusion with related thread and protection variants.
Can 098918 be installed without a dedicated ground review?
No. The device diverts surge current to ground and must share the instrument’s equipotential level through an effective grounding system.
Does 098918 make a non-intrinsically safe circuit intrinsically safe?
No. It protects an appropriate signal circuit from transients but does not provide the separation function of an isolated barrier.
What mechanical details distinguish 098918?
Confirm the 1/2 NPT field-mount thread, stainless-steel housing, cable and available instrument entry.
What should be tested after fitting 098918?
Inspect thread engagement, enclosure sealing, cable routing and protective bonding continuity before the loop returns to service.
