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- Electrical
- Switches
- Liquid Level Switches
Liquid Level Switches
Liquid level switches are used to detect and control the level of liquids in tanks, reservoirs & pipelines to monitor and maintain desired liquid levels. They work on the principle of
...Read moreOpen On Rise Liquid Level Switch
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HSelectable Liquid Level Switch
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FLiquid Level Switches
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DClose On Rise Liquid Level Switch
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J| Style | Model | float length | float dia. | operating temp. | mounting | max. voltage | body material | Height | Float Position | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9037EG9 | €381.45 | |||||||||
| A | 9037EG8 | €389.29 | |||||||||
| B | 9037EW9 | €1,140.24 | |||||||||
| A | 9037EG10 | €493.68 | |||||||||
| C | 9036DW31 | €638.75 | |||||||||
| D | 9038CG36LZ20 | €727.44 | |||||||||
| E | 9036DR31 | €612.27 | |||||||||
| E | 9036DG2C | €117.89 | |||||||||
| F | 9036DG2 | €95.78 | |||||||||
| G | 9038CW33 | €1,953.68 | |||||||||
| E | 9036GW1H | €1,128.26 | |||||||||
| E | 9036GR1 | €1,103.44 | |||||||||
| E | 9036GG2H | €220.55 | |||||||||
| H | 9036FG30 | €44.28 | |||||||||
| E | 9036DR31C | €606.88 | |||||||||
| E | 9036DG2S12 | €152.44 | |||||||||
| E | 9036DW31C | €653.79 | |||||||||
| E | 9036GG2 | €160.45 | |||||||||
| E | 9036GW1 | €1,015.17 | |||||||||
| I | 9037HW33 | €958.36 | |||||||||
| I | 9037HG33F3Z20 | €301.67 | |||||||||
| J | 9037HW35 | €911.80 | |||||||||
| I | 9037HG30 | €323.01 | |||||||||
| J | 9037HW34 | €1,014.22 | |||||||||
| I | 9037HG38 | €316.18 |
Close On Rise Drum Liquid Level Switch
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BOpen On Rise Liquid Level Switch
ABClose On Rise Alternator Liquid Level Switch
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I| Style | Model | float length | float dia. | body material | operating temp. | mounting | max. voltage | Height | Float Position | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9038DW8 | €2,237.12 | |||||||||
| B | 9038DG9 | €960.73 | |||||||||
| B | 9038DG8 | €915.52 | |||||||||
| B | 9038DG7 | €1,040.54 | |||||||||
| C | 9038DR8 | €2,774.47 | |||||||||
| D | 9038CG31 | €677.23 | |||||||||
| E | 9038CG33F3 | €800.17 | |||||||||
| D | 9038CG32N5 | €984.61 | |||||||||
| F | 9038AW1N5 | €1,359.31 | |||||||||
| G | 9038AG1N5 | €532.31 | |||||||||
| D | 9038CG34Z20 | €728.68 | |||||||||
| D | 9038CG33Z20 | €765.36 | |||||||||
| H | 9038CG36 | €880.36 | |||||||||
| F | 9038AW1 | €1,043.96 | |||||||||
| G | 9038AG1 | €294.50 | |||||||||
| D | 9038CG32 | €836.55 | |||||||||
| H | 9038CG36Z20 | €806.68 | |||||||||
| D | 9038CG32Z20 | €758.44 | |||||||||
| E | 9038CG31F3 | €751.59 | |||||||||
| F | 9038AR1 | €1,114.63 | |||||||||
| G | 9038AG1S6 | €397.85 | |||||||||
| G | 9038AG1C | €388.47 | |||||||||
| D | 9038CG34 | €816.26 | |||||||||
| I | 9038CW32 | €1,675.06 | |||||||||
| D | 9038CG33 | €777.04 |
Close On Rise Ultra Low Level Liquid Switch
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G| Style | Model | float material | body material | Stem Material | Float Specific Gravity | switch function | contact form | va rating | float length | Price (ex. VAT) | |
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| A | M4400-ULL-NO | €85.89 | |||||||||
| B | M7000-ULL-NO | €89.59 | |||||||||
| C | M4500-ULL-NO | €91.93 | |||||||||
| D | M9000-ULL-NO | €92.07 | |||||||||
| E | M4400-PBT-ULL-NO | €68.77 | |||||||||
| B | M7000-PBT-ULL-NO | €70.45 | |||||||||
| F | M8000-ULL-NO | €67.19 | |||||||||
| G | M8020-ULL-NO | €78.82 |
Selectable Drum Liquid Level Switch
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BOpen On Rise Drum Liquid Level Switch
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BOpen On Rise Ultra Low Level Liquid Switch
ABCD| Style | Model | float material | body material | Stem Material | Float Specific Gravity | switch function | contact form | va rating | float length | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M4400-ULL-NC | €102.82 | |||||||||
| B | M9000-ULL-NC | €75.61 | |||||||||
| C | M8000-ULL-NC | €70.42 | |||||||||
| D | M8020-ULL-NC | €78.56 |
Close On Rise Liquid Level Switch
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D| Style | Model | va rating | float material | float length | float dia. | operating temp. | mounting | max. current | Stem Material | Price (ex. VAT) | |
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| A | M3326-NO | €34.02 | |||||||||
| B | M3326-NPT-NO | €49.83 | |||||||||
| C | M3827-2NO | €159.45 | |||||||||
| C | M3827-3NO | €178.30 | |||||||||
| D | M8000-NO | €23.04 |
Selectable Multi-level Liquid Level Switch
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CLiquid Level Switches
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HPlastic Single-Point Liquid Level Switches
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Y| Style | Model | contact form | va rating | float material | float dia. | operating temp. | mounting | max. current | float length | Price (ex. VAT) | |
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| A | M5910 | €221.16 | |||||||||
| B | M5900 | €219.42 | |||||||||
| C | M8800 | €88.41 | |||||||||
| D | M8710 | €56.29 | |||||||||
| E | M8750 | €24.01 | |||||||||
| F | M8790 | €19.99 | |||||||||
| G | M7700 | €22.41 | |||||||||
| H | M7000 | €22.43 | |||||||||
| I | M8700-C | €21.67 | |||||||||
| J | MSB8800 | €159.12 | |||||||||
| K | M9705 | €104.82 | |||||||||
| L | M9700 | €39.32 | |||||||||
| M | M9000 | €36.98 | |||||||||
| N | M7790 | €32.32 | |||||||||
| O | M8705 | €49.46 | |||||||||
| P | M4300 | €78.28 | |||||||||
| Q | M7750 | €31.82 | |||||||||
| R | M7740 | €31.13 | |||||||||
| S | M7725 | €29.75 | |||||||||
| T | M5970 | €140.33 | |||||||||
| U | M5917 | €124.63 | |||||||||
| V | M4010 | €75.02 | |||||||||
| W | M8700 | €21.02 | |||||||||
| X | M8000 | €19.17 | |||||||||
| Y | M8000B | €47.46 |
Stainless Steel Single-Point Liquid Level Switches
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N| Style | Model | va rating | float material | float length | float dia. | operating temp. | mounting | max. current | body material | Price (ex. VAT) | |
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| A | MS5010 | €116.38 | |||||||||
| B | MS7000 | €35.27 | |||||||||
| C | MS8000 | €34.26 | |||||||||
| D | MS9000 | €53.47 | |||||||||
| E | M5000 | €76.03 | |||||||||
| F | M5010 | €81.40 | |||||||||
| G | M5920 | €197.35 | |||||||||
| H | MS5917 | €132.65 | |||||||||
| I | MS8800 | €95.30 | |||||||||
| J | MSB5600 | €272.11 | |||||||||
| K | M4190 | €446.83 | |||||||||
| L | M4190-HP | €374.73 | |||||||||
| M | M4190-BU | €466.49 | |||||||||
| N | M5600-PR | €143.87 |
Adjustable-Level Liquid Level Switches
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C| Style | Model | float material | float dia. | operating temp. | Height | Stem Material | Stem Length | Float Specific Gravity | switch function | Price (ex. VAT) | |
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| A | M4302-7807-6 | €216.73 | RFQ | ||||||||
| B | M5602-7808-1 | €442.33 | |||||||||
| C | M5602-7808-6 | €377.74 | RFQ |
Open On Rise Multi-level Liquid Level Switch
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BClose On Rise Liquid 2-Level Switch
ABC| Style | Model | float dia. | operating temp. | mounting | Height | Float Position | Float Travel | switch function | contact form | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 9038CG36N4LZ20 | €898.11 | |||||||||
| B | 9038CG36N4 | €962.35 | |||||||||
| C | 9038AG1N4 | €381.20 |
Liquid Level Switch, 316L Stainless Steel, Peek Wetted Parts
| Model | Item | Price (ex. VAT) | |
|---|---|---|---|
| FTW23-CA7NWVJ | CV8BGK | €683.89 |
Rotating Paddle Bulk Solids Level Switch, 300mm Insertion Length
| Model | Item | Price (ex. VAT) | |
|---|---|---|---|
| PLS-4P-3-115-HAZ | CV8CCL | €564.10 |
Working Mechanism
- Mount the level switch at the desired level in the container or tank.
- Make sure the float can move up and down as the liquid level changes.
- As the liquid level rises, the float will also rise, activating the switch mechanism.
- The switch can be connected to a control system or pump to perform the desired action, such as stopping or starting a process.
Features
Madison Single-Point Liquid Level Switches:
- These switches are made of polypropylene / 304 stainless steel to ensure long-lasting performance and resistance to corrosion.
- They have SPST (single pole, single throw) configuration for a simple and reliable circuit configuration.
- They can handle pressures up to 900 psi and temperatures up to 300 degrees F.
Square D Liquid 2-Level Switches:
- They can operate effectively within a temperature range of -22 to 220 degrees F.
- These switches operate on a 'Close On Rise' function, meaning that they close the electrical circuit when the liquid rises to the desired level.
- They include a stainless steel float, ensuring durability and resistance to corrosion, even in harsh liquid environments.
- These level switches have the float positioned below the liquid level, enabling them to rise and trigger when the liquid reaches the desired level.
Parker Level Switches:
- They can withstand temperatures ranging from 0 to 60 degrees C.
- These switches are extremely sensitive and have built-in springs that can be adjusted to four different levels.
Frequently Asked Questions
What is the difference between a normally open (NO) and normally closed (NC) liquid level switch?
A normally open (NO) liquid level switch stays in the open state when the liquid level is below the set threshold and closes the circuit when the liquid level rises to the desired level. A normally closed (NC) switch operates oppositely, being in a closed state when the liquid level is below the threshold and opening the circuit when the liquid level reaches the set level.
Why do some people use multiple liquid level switches in the same tank?
Utilising multiple liquid level switches in the same tank provides redundancy and more precise level control. They can be wired in parallel or series, depending on the desired functionality.
How do I troubleshoot a liquid level switch that is not functioning properly?
Troubleshooting measures include checking electrical connections, verifying power supply, inspecting for damage or debris affecting switch operation and ensuring proper switch calibration.
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