Pepperl+Fuchs | Surge Protection Barrier K-LB-2.30

Pepperl+Fuchs K-LB-2.30: Dual-Channel Surge Protection Barrier

Product Description

Industrial 2-channel surge protector with auto-reset function. Features 20kA lightning protection and SIL 3 safety rating. DIN rail mounted for control panel integration.

Technical Specifications

• Brand: Pepperl+Fuchs
• Model: Surge Protection Barrier
• Full Suffix: K-LB-2.30
• Channels: 2 (4 signal lines)
• Surge Protection: 20kA (8/20µs)
• Safety Rating: SIL 3 (IEC/EN 61508)
• Voltage: ≤30V DC
• Auto-Reset: Uninterruptible operation
• Temp Range: -30°C to 80°C
• Mounting: DIN rail
• Dimensions: 1.25×11.5x11cm
• Weight: 0.1kg

Installation Guide

Mount on standard DIN rail. Connect protected devices to terminals 1-4, field devices to 5-8. Ensure IP20 environment. Maintain clearance per EC-type certificate.

Compatibility

Works with intrinsically safe and non-intrinsically safe 30V systems. Protects field sensors and control circuits.

Package Contents

• K-LB-2.30 barrier module
• DIN rail clip
• Installation manual

Warranty & Shipping

12-month warranty. Ships via FedEx/UPS/DHL worldwide. Delivery in 2-5 days.

Real-World Applications

Manufacturing Plants: SIL 3 protection for robotic control signals
Water Treatment: Auto-reset surge protection for pump sensors
Energy Substations: Dual-channel lightning protection for grid monitors

FAQ

Q: What does “non-grounded topology” mean?
A: Provides surge protection without requiring earth grounding

Q: Can it handle temperature extremes?
A: Yes – certified for -30°C to 80°C operation

Q: How does auto-reset function work?
A: Automatically restores operation after surge events without manual intervention