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    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]

    Specifications

    • 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)
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