Float Level Relays LFL (manufacturer: Pepperl+Fuchs)

Float Level Relays LFL (manufacturer: Pepperl+Fuchs)

Buy LFL float level relays from Pepperl+Fuchs for reliable threshold control of liquid levels in tanks and process vessels. The LFL series includes compact submersible sensors with float mechanism activating microswitches or reed contacts via magnetic/mechanical linkage. Measurement independent of conductivity, pressure, or temperature. Contacts: NC, NO, SPDT. Materials: PP/PVDF for aggressive media, stainless steel for standard. Mounting via flange/thread, adjustable cable/tube length. Certified for zones 0/1 (ATEX). Ideal for:

  • Water, oil, chemical tanks,

  • Wastewater and pumping systems,

  • Food and pharmaceutical industries,

  • Hazardous areas (zone 0).

Provides precise min/max detection and pump signaling. Compliant with ATEX/IECEx. Order LFL relays now — get consultation and quote in 5 minutes!

LFL Types

LFL-2 Compact relay with mercury-free microswitch (change-over) in sleeve or ball design for G1 mounting. Activated by switching ball on horizontal deviation. Materials: PP float, PVC/PUR/CSM/CM/TPK cable; IP68, up to +70°C.

LFLC Adjustable combination of up to 5 relays (LFL1/2/3) on guide tube up to 3000 mm with collar-set switch points. Floats at tube end, switching per relay version. Materials: PP float, PVC tube, CSM/PUR/PVC cable; pressure ≤1 bar, 5…+70°C.

LFL-3 Relay with mercury change-over contact in PP float, sleeve (LFL3-CK-U) or ball (LFL3-BK-U) design, ±15° angle. Mercury switch activates on horizontal deviation. Materials: PP float, PVC/PUR/CSM/CM/TPK cable; IP68.

Specifications

Operation: Float-based (magnetic/mechanical) Contacts: Microswitch/reed (NC, NO, SPDT) Voltage: Up to 250 V AC/DC, 10 A Protection: IP67–IP68, Ex ia (zones 0/1) Temperature: -20…+120 °C (liquid) Material: PP/PVDF/stainless steel Pressure: Up to 25 bar (model-dependent) Durability: >1 million cycles Interface: Relay connection, optional LED Length: 1–20 m (cable) / up to 3000 mm (tube) Versatile level monitoring solution.

Advantages

  • Independent of liquid parameters

  • Flexible/adjustable installation

  • Wear-free reliable contacts

  • ATEX explosion protection

  • Minimal maintenance Stable in foam/sediment conditions. Buy LFL profitably now!

Applications

  • Water supply — tanks, wells

  • Chemical — reagents

  • Food — beverages, syrups

  • Energy — fuel systems (zone 0) Automation without external influence.

Installation & Connection

  1. Select type/material.

  2. Submersible mount, adjust length.

  3. Connect 24–250 V AC/DC.

  4. Wire NO/NC to PLC/pump.

  5. Test in liquid. Maintenance: cable check, float cleaning.

Delivery across Ukraine. Certificates: ATEX/IECEx. Customization: length, materials, switch points. CSC-AUTOMATION +38 (044) 494-33-55 kck@kck.ua kck.ua Buy LFL relays — consultation and price in 5 minutes! Discounts for bulk buyers. Free delivery from 5000 UAH. Keywords: float level relays LFL, LFL-2, LFLC, LFL-3, float sensor, buy LFL Ukraine, level relay IP68, ATEX zone 0, liquid level monitoring LFL, adjustable float Pepperl+Fuchs.