Description
FS-LB-I Surge Protection Barrier: Industrial-Grade Transient Defense
Field-mountable 1-channel barrier for hazardous areas. Prevents equipment damage from lightning strikes and power surges. Stainless steel housing with IP67 protection.
Critical Protection Features
• 10kA Surge Diversion to ground
• 500V Line-to-Ground isolation
• M20×1.5 Thread for conduit mounting
• Hazardous Area Certified (Ex ia IIC T6)
• ≤85V Voltage Clamping for instruments
Complete Technical Specifications
Brand: Pepperl+Fuchs
Model: FS-LB-I
Discharge Capacity: 10kA (line-ground)
Clamping Voltage: 85V line-line / 500V line-ground
Rated Voltage: ≤48V DC
Rated Current: ≤250mA
Response Time: 1ns (symmetrical)
Bandwidth: ≥40kHz
Housing: Stainless steel 1.4401 (AISI 316)
Protection Rating: IP67
Operating Temp: -30°C to 60°C (-22°F to 140°F)
Installation Requirements
Mount in conduit/cable gland openings. Must connect to solid earth ground at same potential as protected equipment. Ensure grounding complies with local regulations.
Hazardous Area Certifications
ATEX: II 2G EEx ia IIC T6
IECEx: PTB 00 ATEX 2175
CSA: cCSAus Control Drawing 116-0187
Complies with EN 60079-0 & EN 60079-11
Package Contents
• FS-LB-I Barrier unit (0.4m cable)
• Mounting hardware
• Compliance documentation
• Installation reference sheet
Reliability Guarantee
12-month warranty against defects. Full technical support provided.
Global Shipping Options
FedEx | UPS | DHL
Tracked delivery worldwide. Express options available.
Industrial Applications
• Process transmitters in Ex zones
• Oil/gas pipeline monitoring
• Chemical plant instrumentation
• Power generation facilities
• Lightning-prone environments
Frequently Asked Questions
Q: Minimum grounding requirements?
A: Must connect to certified earth ground at same potential as equipment
Q: Suitable for outdoor use?
A: Yes, IP67 rating protects against dust/water immersion
Q: Response time during surge events?
A: Reacts within 1 nanosecond to divert transient currents
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