K-LB-2.30 Surge Protection Barrier 2 channel Pepperl Fuchs
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K-LB-2.30 Surge Protection Barrier: Industrial-Grade Circuit Protection
Shield your critical field circuits from voltage spikes with Pepperl+Fuchs' 2-channel DIN-rail barrier. Designed for intrinsically safe (IS) and non-IS 30V applications, it stops surges up to 20kA while ensuring uninterrupted operation. SIL 3 certified for safety-critical systems.
Technical Data
- Brand: Pepperl+Fuchs
- Model: K-LB-2.30
- Series: K-LB Surge Protection
- Channels: 2 (4 signal lines)
- Surge Current: 20 kA (8/20 µs pulse)
- Voltage Rating: 30 V DC/AC
- Response Time: < 1 ns
- Operating Temp: -30°C to 80°C (-22°F to 176°F)
- Humidity: 5% - 95% non-condensing
- Protection Rating: IP20
- Topology: Non-grounded
- Connection: Protected side (terminals 5-8), Unprotected side (terminals 1-4)
Installation Guide
- Mount on 35mm DIN rail (EN 60715)
- Torque terminals to 0.6 N·m
- Connect field devices to protected terminals (5,6,7,8)
- Connect controllers to unprotected terminals (1,2,3,4)
- Maintain 10mm clearance between conductors
Diagnostics & Maintenance
- Green LED indicates operational status
- Auto-reset after surge event - no manual intervention
- Verify protection annually using surge simulator
- Replace if physical damage or LED failure occurs
Packaging List
- 1x K-LB-2.30 Surge Barrier
- 2x End plates for DIN rail mounting
- 1x Quick start guide
Shipping Methods
Global delivery via: FedEx | UPS | DHL
Delivery time: 2-5 business days
Industry Solutions & Applications
- Oil & Gas: Protects tank level sensors in ATEX zones
- Manufacturing: Surge protection for PLC input cards
- Power Plants: Shields turbine vibration monitors
- Water Treatment: Secures pH/ORP transmitters
FAQ
Q: Does it work with 4-20mA signals?
A: Yes, supports analog signals up to 30V.
Q: Can I use this in Zone 0 hazardous areas?
A: Only with IS barriers - verify certification for your zone.
Q: What’s the lifespan after a surge event?
A: Designed for 100+ surge strikes at rated current.
Q: Is external grounding required?
A: No - non-grounded topology eliminates ground loops.
Compare Similar Models
| Model | Channels | Voltage | Surge Current | Product Link |
|---|---|---|---|---|
| K-LB-2.30 | 2 | 30V | 20kA | Current Product |
| K-LB-2.6 | 2 | 24V | 10kA | Lower voltage rating |
| K-LB-1.6 | 1 | 30V | 15kA | Single-channel version |

