TCL001/8181 Float Switch

Brand: Burkert Fluid Control Systems

Float switch with hermetically sealed reed contacts in a fixed switch part, switching triggered by magnets in floating switch part, reed contact implemented as alternator or normally open/ closed; for neutral and aggressive liquids; not sensitive to dirt particles in the medium; cylindrical threading for simple installation in side of container.

Different versions are available depending on material (PP or stainless steel), mounting position (horizontal or vertical) and equipment (relay).
Features
  • Switch for neutral and aggressive liquids
  • NO/NC, alternating
  • Reed contact
  • Vertical or horizontal mounting
  • Molded lying leads (Type 8181) or cable (Type TCL001)

Specifications

Ambient Temperature Range

  • Operation & Storage: -10° to 80° C (14° to 176° F) - 8181 Standard, 8181 with Relay Module

BSP Connection

  • G 3/4” Male - 8181 Standard (Cable Version), 8181 with Relay Module
  • Leads Version: G 1/8” Male - 8181 Standard
  • PP-Horizontal Version: G 1/4” Male - 8181 Standard
  • 1/2” BSPT Male - TCL001

Consumption

  • Current: < 3 mA - 8181 with Relay Module

Cover Material

  • Polycarbonate (PC) - 8181 with Relay Module

Current

  • Switching: 0.5 A - 8181 Standard
  • Switching: 1 A, Max.

Density Range

  • Float Density: 0.7 - 8181 Standard, 8181 with Relay Module

Electrical - Free Leads

  • 0.25 mm² Min. Cross Section Leads - 8181 Standard
  • 300 mm Leads - 8181 Standard

Electrical Connectors

  • Cable 5 metres
  • EN 175301-803 Cable Plug - 8181 with Relay Module
  • Positionable M12 - 8181 with Relay Module
  • PVC Cable, 3 metres Long - TCL001

Electrical Contacts

  • Normally Closed or Normally Open - TCL001, 8181 Standard, 8181 with Relay Module
  • Output Typical: Reed Contact - 8181 Standard
  • Output Typical: Single-Pole Changeover Contact - 8181 with Relay Module

Electrical Rating

  • 0.25 A at 48 Vac/dc, Max.
  • 3 A at 250 Vac / 30 Vdc, Max.
  • 600 Vdc at 50 VA AC/DC - 8181 Standard
  • Alternating: 0.25 A at 150 V, 3 W/VA, Max.
  • Normally Closed/Open: 1 A at 250 V, 50 W/VA, Max.
  • PP-Vertical Version: 310 Vac Min. at 66 VA AC/DC - 8181 Standard

Enclosure, Body Material

  • Polycarbonate (PC) - 8181 with Relay Module

Environmental Protection

  • IP65 - 8181 Standard, 8181 with Relay Module
  • IP67 - TCL001

Gland Material

  • Cable Gland: Polyamide (PA) - 8181 Standard, 8181 with Relay Module

Insulation Resistance

  • 10 megaohms Min. - 8181 Standard

Materials of Construction

  • Contact: AgNi 90/10
  • Float, Circlip (Only Vertical Version): 304 Stainless Steel - 8181 Standard, 8181 with Relay Module
  • Float, Circlip (Only Vertical Version): Polypropylene (PP) - 8181 Standard, 8181 with Relay Module
  • Float: 316L Stainless Steel - 8181 Standard, 8181 with Relay Module
  • Stainless Steel - 8181 Standard, 8181 with Relay Module

Mounting Position

  • Horizontal - TCL001, 8181 Standard, 8181 with Relay Module
  • Vertical - 8181 Standard, 8181 with Relay Module

Operating Temperature

  • -25° to 105° C (-13° to 221° F) - TCL001

Plug Material

  • Cable Plug: Polyamide (PA) - 8181 Standard, 8181 with Relay Module

Pressure Range

  • PP Version (Vertical or Horizontal Mounting Position) - psi: 14.5 (kPa: 100, bar: 1) - 8181 Standard, 8181 with Relay Module
  • Stainless Steel Version (Horizontal Mounting Position) - psi: 72.5 (kPa: 500, bar: 5) - 8181 Standard, 8181 with Relay Module
  • Stainless Steel Version (Vertical Mounting Position) - psi: 145 (kPa: 1,000, bar: 10) - 8181 Standard, 8181 with Relay Module

Process Temperature

  • PP Version: -10° to 80° C (14° to 176° F) - 8181 Standard, 8181 with Relay Module
  • Stainless Steel Version: -40° to 120° C (-40° to 248° F) - 8181 Standard, 8181 with Relay Module

Resistance

  • Contact (Stainless Steel Horizontal Version): 200 Milliohms, Max.
  • Contact: 150 Milliohms, Max.

Sensor, Probe Material

  • Probe: Polypropylene (PP) - TCL001
  • Probe: Polyvinylidene Fluoride (PVDF) - TCL001

Sensor, Probe Style

  • Float

Shock

  • Stainless Steel Version: 20 G - 8181 Standard

Stem Material

  • Float: 304 Stainless Steel - 8181 Standard, 8181 with Relay Module
  • Float: 316L Stainless Steel - 8181 Standard, 8181 with Relay Module
  • Float: Polypropylene (PP) - 8181 Standard, 8181 with Relay Module

Switch Point Range

  • At Tilt of 7° ± 3° (8.5 mm ± 3 mm) - TCL001, 8181 Standard, 8181 with Relay Module

Vibration

  • Stainless Steel Version: 20 G - 8181 Standard

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