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For specific point indication the Rotalog Paddle Switch is ideal.
Thousands are in operation giving this unit a reputation for being reliable, durable and effective.
Three main models are available, in a range of voltage and paddle options to suit any level indication requirements.
The Rotalog rotary paddle switch is designed to signal the presence, or absence, of bulk materials such as powders, chemicals, chips and granules. Perfect for hoppers, silos and bunkers as well as for blockage detectors on conveyor chutes. Material detection is achieved by a paddle rotating inside the container; if material impedes the rotation of the paddle, the control signal changes and after approximately half a second the motor circuit switches off. In this state all active parts are stationary; therefore no wear takes place
Model 1 Low Level
Side mounting, single vane paddle, solid shaft with shaft seal (Nominal shaft length 103 mm)

316 Stainless Steel contact parts
ABS Body
IP65 Sealing

Failsafe versions warn of motor failure
Paddles available to suit application
Operating voltages include 24v DC, 24v AC, 48v AC, 110v AC and 240v AC
Special models suitable for operating up to 150 degrees Centigrade

Reliability is proven
When operating it is low power consumption , when stalled by product being present, no power is consumed at all, adding to the longevity of Rotalog Rotary Paddle Switches

Proven reliability over many years and in hundreds of installations
Dust tight and weatherproof to IP65 Sensitivity is adjustable Supplied complete with stainless steel mounting flange
Special single vane paddle for low level applications lines up with flow direction to minimise bending load on shaft. Other side-mounted models have a flexible shaft connection