Pepperl+Fuchs Surge Protection Barrier K-LB-2.30 2-Channel

K-LB-2.30: Dual-Channel DIN Rail Defender

Pepperl+Fuchs surge barrier for control panels. 20kA protection, SIL 3 safety, auto-reset function. DIN-rail mounted solution.

Key Protection Features

How It Shields Equipment

Instantly diverts lightning strikes and power surges away from sensitive electronics. Automatically restores protection without manual reset.

Critical Protection Targets

• PLC input modules
• DCS control cards
• Safety system inputs
• Monitoring equipment

Technical Specifications

Safety Approvals

• SIL 3 (IEC/EN 61508)
• ATEX/IECEx certified
• IP20 rating
• -30°C to 80°C operation

Easy DIN Rail Setup

1. Snap onto standard DIN rail
2. Connect field devices to terminals 1-4
3. Connect control system to terminals 5-8
4. Verify ground connection

System Compatibility

Works with all major PLC brands including Siemens, Allen-Bradley, ABB. Fits standard control cabinets.

Shipping Information

• 📦 Includes: Surge barrier, DIN clip
• 📏 Dimensions: 11.5 x 11 x 1.25 cm
• ⚖️ Weight: 0.1kg
• 🚚 Shipping: FedEx/UPS/DHL (2-3 days)
• 🔒 Warranty: 12 months

Industrial Applications

Maintenance Guide

No maintenance required. Check LED indicators after lightning storms. Replace after 5+ surge events.

Frequently Asked Questions

Q: Works with 24V systems?
A: Yes, designed for ≤30V applications

Q: Needs separate ground?
A: Requires connection to cabinet ground

Q: Humidity limits?
A: Operates at 5-95% humidity