Level Relay
The Level Relay is an electronic equipment used in industry whose function is to control and manage the level of conductive liquids. Depending on the programming you are given, the Relay can interrupt a circuit, trip a safety device, or turn off an engine.
There are two types of Level Relay: for filling control in tanks and for wells emptying control.
The Tank Fill Relay monitors the level in conductive liquids through three probes (minimum, maximum and mass), with the possibility of timing for the minimum probe.
In addition to controlling the filling, it also guarantees protection against spills in cisterns, with the possibility of setting sensitivity and timing.
The wells discharge monitoring relay monitors the level in conductive liquids through three probes (minimum, maximum and mass) with maximum level protection. It is suitable for places where submersible pumps are used.
Not only does it control the level for emptying, it also ensures the protection of electric pumps against lack of water and indicates the functions of “Pump in Service” and “Thermal Shooting”.
Dual Alternating Modular Relays
The dual alternating modular relays are important allies of submersible electric pumps installed in sanitation or hydropressing plants.
As they are modular, their installation is simple and can be used in standard electrical box boxes or modular boxes on the DIN rail.
The model used for installation in a sanitation plant (RAL 202 SAM) is different from that for a hydropower plant (RAL 202 HIM). Also for each of these two models there is the variation for single-phase voltage and for three-phase voltage.
These devices also include the box of 2 modules and the fact that the various timings can be adjusted by Micro Switch, which gives high flexibility and resource saving.
The dual alternating modular relays control and protect the electric pumps (two) allowing alternating operation, acting in situations of minimum level, maximum level, backup pump input reinforcement and depending on model, maximum alarm (RAL 202 HIM) or minimum alarm. (RAL 202 HIM).
In the video below, it is possible to observe the operation of the RAL 202 SAM (Switching Relay for Sanitation Plants) in the various predicted situations.
All applications, detailed operation and data sheet, are presented here. Both are available for sale in the online store, starting at € 46.40.
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The reliability and efficiency are predicated that we do not give up, we have become accustomed to our own requirement that is revealed in the full satisfaction of our customers and also extends to the careful presentation and design the precept that we put in the presentation of our equipment, the supports digital and communication.
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RFA 101 SIM, a versatile relay with multiple applications
With sensitivity adjustment, as a function of the conductivity of the immersion liquid, the RFA 101 SIM is a relay produced by micro controle, which allows to control the emptying of a hole or well, to control the level in conductive liquids and to ensure the protection of the submersible electric pumps against the lack of water.
The model is available in the following supply voltages: AC (24V, 230V and 400V) and has a sensitivity setting between 4 to 30 KΩ.
The base is an 11-pin socket, wiring diagram on the side of the relay.
Check here all the characteristics of this product.
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