Level switches > Solid switches

Filsa CD - diaphragm/membrane level switch for bulk material storage silos/hoppers.

Filsa CD membrane level switchFilsa CD sideFilsa CD wiring

Downloadable full specification: pdf

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Price (ex. VAT)
Filsa CD level switch

General Description

The Filsa CD level switch for level control in bulk/grain storage bins.

An ATEX (EX) rated version CD membrane switch is available at request, please contact us.

The diagram below illustrates how the Filsa CD level switch can be positioned to control a filling auger. By positioning switches at high and low limit levels the auger is switched on/off at predetermined levels.

Membrane level switches

Single switches can be used to provide a high level limiter or alarm.


Case and cover - Reinforced plastic (Aluminium on request)
Membrane - Standard NBR (On request Neoprene, Viton, stainless steel)
Operating temperature - -20 to +60C. (-25 to +80ºC if ordered with Aluminium housing)
Actuation pressure - minimum 60 g.
Switch - SPDT, inverter micro-switch. 10 Amp. 250V a.c. Voltage free. Two switches, 5 Amp. 250V a.c. on request.
Cable gland - M20x1.5
Protection - IP65

Applications include:

- Grain hopper/silo level switch

- Wood pellet hopper/silo level switch

- Grain drier level switch

- Feed bin level switch