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72.B1.1.000.0501 Finder 72 Series IP68 5m Black water and industrial wastewater Float Switch

MPN: 72B110000501

Alt. SKU: 72.B1.1.000.0501

Special Price £64.36 £53.63 Regular Price £91.94

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Why Choose the Finder 72.B1.1.000.0501 IP68 Float Switch?

The Finder 72.B1.1.000.0501 is a robust float switch from the 72 Series, engineered for level control in black water, industrial wastewater and other challenging liquid environments. It features a fully rated IP68 enclosure and a factory fitted 5 metre cable, making it ideal for submerged use in sumps, drainage tanks and pump chambers where dependable mechanical switching is required.

Designed with a triple-sealed float chamber for enhanced resistance to solids, suspended residues and heavy contamination, this switch offers simple and reliable ON/OFF actuation via a single changeover (SPDT) contact. It is suitable for both filling and emptying control logic, providing straightforward integration with pumps, alarms and control systems in industrial water management applications.

Key Benefits

  • Triple-sealed float chamber for black and industrial wastewater environments.
  • IP68 rated for continuous submerged operation.
  • 5 metre durable cable for flexible installation.
  • Changeover contact (NO/NC) supports both emptying and filling control.
  • Polypropylene construction for consistent performance in harsh liquid conditions.
  • Suitable for pump control, alarms and industrial automation.

Technical Specifications

  • Manufacturer: Finder
  • Series: 72 Series
  • Model: 72.B1.1.000.0501
  • Product type: Float level switch
  • Ingress protection: IP68 (suitable for submerged use)
  • Cable length: 5 metres
  • Contact type: Changeover (NO/NC)
  • Rated current: Up to 10 A AC (resistive)
  • Maximum switching voltage: 250 V AC
  • Body and float material: Polypropylene
  • Operating temperature: Up to +50 CC
  • Suitable media: Black water, industrial wastewater and other contaminated liquids

What’s Included

  • Finder 72.B1.1.000.0501 float switch with 5 metre cable
  • Counterweight for correct float alignment
  • Fixing kit as supplied by manufacturer
  • Manufacturer documentation

Applications

  • Black water and industrial wastewater level control
  • Pump start/stop control in contaminated liquids
  • High and low level alarm signalling
  • Drainage tank and sump level management
  • Integration with industrial automation systems

Frequently Asked Questions

What does the IP68 rating mean?

IP68 indicates full protection against dust and water ingress and suitability for continuous underwater use when installed according to manufacturer guidelines.

Is this switch suitable for black water?

Yes. The triple-sealed float chamber and robust construction make it suitable for black water systems and industrial wastewaters with suspended solids and heavy contamination.

Can it be used for pump control?

Yes. The changeover contact enables pump start/stop control directly or via a relay or contactor for larger loads.

How do I set the switching level?

The switching point is set by the float movement relative to the counterweight position on the cable, ensuring unobstructed travel.

What liquids can this switch handle?

It is suitable for black water, industrial wastewater and other contaminated liquids where standard float switches may be affected by solids or residues.

More Information
Alternative Product SKU 72.B1.1.000.0501
Manufacturer Part Number 72B110000501
Manufacturer Finder
Barcode 8012823445663
Degree of protection (IP) IP68
Material Plastic
Mount Type Standing in the pit
Sensor Type Pear-shape
Max. contact voltage 250VAC
Suitable for glycol Yes
Suitable for rainwater Yes
Suitable for faeces Yes
Suitable for cooling water Yes
Vertical mounting Yes
Max. medium temperature (continuous) 50
Float diameter 81.2mm
Immersing depth 20m
Number of Chambers 3
Contact Configuration 1 CO (SPDT)
Cable Type H05 RN F
Cable length 5m
Suitable for Industrial Wastewater Yes
Range 72
Packed Quantity 1
Height 167.5mm
Width 109mm
Depth 109mm
HS Code 90261089
Country of Manufacture Italy
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