Roll over image to zoom in

    Besta B801140 ATEX Float Level Switch

    This Besta B801140 is an ATEX electric vertical top mounted float level switch for level alarm or pump control applications. The instrument comprises of 3 modules; switch, flange and float. Its robust construction makes it suitable for a wide range of liquids in both marine and industrial applications. The switch module is fitted with a micro switch and is housed in an IP65 sea water resistant die-cast aluminium enclosure. The flange module is constructed in stainless steel. It measures 92 x 92mm and accommodates four M12 bolts on a 92mm PCD.

    The easiest way to mount a TriMod BESTA level switch is by using the Counterflange which is available in either carbon steel or stainless steel. Test actuators are also available to permit periodic manual tests.

    Have a particular application or project in mind? We’d welcome a call on +44 (0) 1189 169 420 or email: [email protected]


    • ATEX Ex ia approval
    • Function: 2-point control (pump) or 1 switching point (alarm)
    • Nominal pressure: PN 16 according to EN/DIN
    • Operating temperature: 0 to 300°C
    • Ambient temperature: 0 to 70°C
    • Density of the liquid, Pump control: Min. 0.45 kg/dm³
    • Density of the liquid, Alarm: Min. 0.30 kg/dm³
    • Operating differential: A 01 140: 12 to 1340 mm
    • Westside material: Stainless steel (CrNiMo)
    • Housing material: Seawater resistant die cast aluminium
    • Flange dimensions: Square 92 x 92 mm PCD
    • Switch element: Microswitch SPDT with gold contacts
    • Switch rating: 250 VAC, 5 A / 30 VDC, 5 A
    • Enclosure: IP65
    • Safety Integrity Level: SIL 1 (Types AA 01 140)
    Purchase Product

    Price: POA Contact 247ABLE