Pepperl+Fuchs Surge Protection Barrier K-LB-1.30

K-LB-1.30: Industrial-Grade Signal Guardian

SIL 3 certified surge protection for critical 30V systems. 20kA lightning defense with HART transparency in compact DIN rail design.

Technical Defense Matrix

Safety Certifications

Installation Guide

1. Snap onto 35mm DIN rail (EN 60715)
2. Connect field device → Terminals 1-2
3. Connect control system → Terminals 7-8
4. Establish <1Ω ground path
5. Verify 1.2kV isolation capability

Technical Specifications

• Voltage Range: ≤30V DC
• Current Capacity: ≤250mA
• Leakage Current: <5µA
• Series Resistance: <0.5Ω/line
• Wire Size: 2.5mm² terminals
• Dimensions: 12.5×115×116mm
• Weight: 100g

Industry Applications

Shipping & Support

• 📦 Package: Barrier unit, DIN clip, manual
• 🚚 Shipping: FedEx/UPS/DHL (2-day worldwide)
• 🔒 Warranty: 12 months
• 📏 Dimensions: 12.5×115×116mm
• ⚖️ Weight: 100g (0.22 lbs)

Maintenance Protocol

🔧 Annual Check: Ground connection resistance
📈 Performance Test: After major electrical events
🌡️ Environment: Maintain <80°C ambient
⏳ Replacement: Every 7 years or after 5 surges

Expert Q&A

Q: HART communication support?
A: Fully transparent to HART signals

Q: Suitable for outdoor use?
A: Indoor only (IP20 rating)

Q: Minimum wire size supported?
A: Accepts 0.5-2.5mm² conductors