Rotary Paddle Level Switch

Rotary Paddle Level Switches are a common point level indicator used for high-, mid- and low-level material detection in bins, tanks, and silos. Rotary Paddle Level Switches are wired to a horn, alarm or light panel to send an alert when material reaches the desired level. Our standard and fail-safe Rotary Paddle Level Switches can be fit with a wide assortment of paddles and mounting plates. Extended Rotary Paddle Level Switches for top mounting applications for high level detection, extensions for side mounting through thick bin walls, and stainless steel process connections for corrosive material ensure EIP has the right rotary for challenging applications. From its explosion-proof housing, to de- energized motor operation, a bi-directional, slip clutch, and a four-bearing drive shaft – the BMRX is a rugged workhorse built for effiiciency and longevity

The BRMX rotary paddle bin level indicator provides reliable point level detection and measurement of dry bulk solids in bins, tanks, silos, hoppers, and material conveyors. Mounted on the top or side of a bin, the BinMaster BMRX alerts operators when bins are full—normally through the use of a horn or light. The BMRX features “de-energized” operation of the motor which shuts the motor down when material is present, saving energy costs and prolonging the motor life. It is CE approved and is appropriate for use in hazardous conditions when explosion proof protection is needed–featuring Class I, Groups C and D, Class II E, F, and G listings.

High Level Control During Filling 

The paddle continually rotates until material reaches it. Sensing resistance, the motor rotates an actuator arm activating a switch wired to an alarm or process equipment to prevent over lling. 

Low Level Control When Emptying 

When covered, the paddle is de-energized and not rotating. As material
drops below the paddle, the actuator arm springs back, the motor re-energizes, and the paddle rotates, sending an alarm or starting up a process system. 

Many Materials and Applications 

Point level detection in powders and bulk solids with a bulk density of 2 pounds to over 100 pounds per cubic foot. Used in bins, silos, chutes, and conveyors storing or processing powders, pellets, and granular materials. 3D

  • Reliable point level detection for bulk solids including powders, pellets and granular materials

  • Used in bins, silos, chutes and conveyors

  • Material density from 2 lb./cu. ft. to over 100 lb./cu. ft.

  • Feed, seed, grain, food, sand, gravel, concrete, aggregates, plastics, chemicals, coal and many other materials

  • De-energized Motor – Automatically goes into a resting state when paddle is covered to extend motor life

  • Fail-Safe – Confident process control for immediate status notification and visual status notification for mechanical failure or loss of power (this feature is model dependent)

  • Status Light – Solid for covered paddle, blinking for an uncovered turning paddle, and unlit for failed condition (this feature is model dependent)

  • Time Delays – Set 5 to 25 second delays in the alarm relay for covered or uncovered conditions to reduce false positives (this feature is model dependent)

  • Auto Sensing – No sensitivity setting or calibration required regardless of material density

  • Built-in Slip Clutch – Protects the gear assembly from damage due to over rotation

  • Sizes of probes/ paddles: Refer Catalogue

  • Process Temperatures: -40°to +85°C

  • Process Pressure: -0.2 – 10 bar

  • Signal Output:  1 DPDT

  • Supply Voltage: 24 VDC/ 110 VAC/ 230 VAC

  • Power Consumption: Max 3 W @ 24 VDC

  • Hazardous Locations: Explosion Proof

  • BMRX
  • Maxima + 
  • Rotary Paddle Catalogue – Click here to download