Level IndicatorsRLI
The RLI rotary paddle switch is designed to detect high and low levels of bulk granular solids in bins, tanks, silos, and as blockage detectors in spouts. The detection of material is…

This product is has been superseded. Please use the RG Series for all new projects. The RG1 Level Sensor has been designed to indicate the presence or absence of bulk materials such…
This product is has been superseded. Please use the RG Series for all new projects.
The RG1 Level Sensor has been designed to indicate the presence or absence of bulk materials such as grains, pellets, chemicals, wood chips and other powders.
The detection of material is achieved by a rotating paddle. If material impedes the rotation of the paddle, the motor topples of its axis and triggers an alarm.
The RG1 has a variety of compatible paddles which offer the ability to detect a wide range of products.
| Brand | 4B |
|---|---|
| Part numbers | RG1V4A, RG1V56A |
| Application | Silos & Storage |
| Model | RG1V56A | RG1V4A |
| Power supply | 24-240 VAC | 24VDC |
| Output | Change over relay 10 A at 250 VAC | Change over relay 10 A at 250 VAC |
| Mounting | ø 2”1/2 BSPT / Gas | ø 2”1/2 BSPT / Gas |
| Conduit Entry | Two conduit entries tapped ø 1/2” BSPP | Two conduit entries tapped ø 1/2” BSPP |
| Enclosure | Die-cast aluminium casing | Die-cast aluminium casing |
| Operating temperature range | -20°C + 70°C | -20°C + 70°C |
| Protection | IP65 | IP65 |
| Certificates and approvals | ATEX Zone 20 / Zone 21 | ATEX Zone 20 / Zone 21 |
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Level IndicatorsThe RLI rotary paddle switch is designed to detect high and low levels of bulk granular solids in bins, tanks, silos, and as blockage detectors in spouts. The detection of material is…
Level IndicatorsDetects level or plug situations for bulk granular solids or liquids in tanks, bins, or silos and can be used as a plug or choke detector in chutes, conveyors and elevator legs.
Level IndicatorsThe RLI “SHAKER” rotary paddle switch is used to detect high and low levels of bulk granular solids in bins, tanks and silos. It can also be used to detect plug conditions…
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