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Point Level Float Switch Series

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Container overfill or container empty can cost OEMs time, money and aggravation during certain processes. When containers are closed or inaccessible, OEMs rely on point level measurement sensors, combined with remote alarms and/or pump controls, to maintain high/low levels. Well-known point level switch technologies from Madison Company are available such as optical sensors, conductivity sensors, or float switches with reed switch technology, among others.

Madison point level float switches use reed switch technology that is simple, reliable, and durable. They operate in an on/off state, and are used to control an external device such as an alarm or an on/off switch. Because OEMs need sensors for tanks that vary in width and height, certain point level float switches are offered with field-adjustable stem lengths. This provides an OEM with the advantage of using only one or two sensors for their application instead of several.

General applications for point level sensors include high-low level alarm triggers, overflow or spill prevention, and pump control. Multi-level float switches can be configured for specific applications. Please use our online configurator for detailed specs, an instant quote and a dimensional drawing.

Point Level Float Switch Features:

  • Proven, reliable technology
  • Various material combinations and mounting options for any application
  • In stock, or customizable
  • Dependable, durable and efficient

Sensor Reference Information:

Madison's industry expertise is not only in the manufacture of high-quality point level float switches, but also in the recommendation of the proper point level float switch type. Madison can custom-engineer a solution in as little as 4 days, once the requirements are established.

Model No.sort descending Image Description List Price Add to Cart
M3326M3326 Subminiature float switch, polypropylene, 3/8" bulkhead, normally closed $24.95/ea $24.95
M3326-NOM3326-NO Subminiature float switch, polypropylene, 3/8" bulkhead, normally open $24.95/ea $24.95
M3326-NPTM3326-NPT Subminiature float switch, polypropylene, 1/8" NPT, normally closed $42.73/ea $42.73
M3326-NPT-NOM3326-NPT-NO Subminiature float switch, polypropylene, 1/8" NPT, normally open $44.74/ea $44.74
M3769 M3769 Interstitial float switch, PVC and Buna, 10 ft cable $126.98/ea $126.98
M3782M3782 Submersible suspendable float switch, brass and Buna, slosh shield, 240" cable $126.43/ea $126.43
M3827-2M3827-2 Side kick float switch, stainless steel, 1/2" NPT, normally closed $114.57/ea $114.57
M3827-2NOM3827-2NO Side kick float switch, stainless steel, 1/2" NPT, normally open $117.42/ea $117.42
M4003M4003 Side mount float switch, stainless steel, 5/8" bulkhead with rubber compression grommet $145.23/ea $145.23
M4010M4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead $48.38/ea $48.38
M4035M4035 Miniature float switch, stainless steel and polypropylene, 1/8" NPT, normally closed $33.48/ea $33.48
M4035-BM4035-B Miniature float switch, stainless steel and polypropylene, 3/8" bulkhead, normally open $33.48/ea $33.48
M4168-1M4168-1 High level float switch, brass and Buna, 3/4" bung, normally open, for 55 gallon drums $115.23/ea $115.23
M4168-1-FMM4168-1-FM High level float switch, brass and Buna, 3/4" bung, normally open, for 55 gallon drums, with fixed mount alarm $350.63/ea $350.63
M4168-2M4168-2 Low level float switch, brass and Buna, 3/4" bung, normally closed, for 55 gallon drums $133.41/ea $133.41
M4168-3M4168-3 High and low level float switch, brass and Buna, 3/4" bung, for 55 gallon drums, fixed mount alarm $163.77/ea $163.77
M4169-1M4169-1 High level float switch, stainless steel, 3/4" bung, normally open, for 55 gallon drums $154.57/ea $154.57
M4169-2M4169-2 Low level float switch, stainless steel stem, 3/4" bung, normally closed, for 55 gallon drums $182.76/ea $182.76
M4169-3M4169-3 High and low level float switch, stainless steel, 3/4" bung, for 55 gallon drums, fixed mount alarm $229.40/ea $229.40
M4189M4189 Tilt float switch, plastic, 6.6 ft 18 AWG 3 conductor cable, SPDT, sump switch $33.30/ea $33.30
M4189-1003M4189-1003 Tilt float switch, plastic, 49.2 ft 18 AWG 3 conductor cable, SPDT, sump switch $52.66/ea $52.66
M4190M4190 Side mount heavy duty float switch, stainless steel, 100 watt, .6 SG $287.37/ea $287.37
M4190-BUM4190-BU Side mount heavy duty float switch, stainless steel and Buna, 100 watt , .45 SG

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M4190-HPM4190-HP Side mount heavy duty float switch, stainless steel, 100 watt, .5 SG, for high pressure

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M4300M4300 Float switch, brass and Buna, 1/4" NPT, 60 watt $33.41/ea $33.41
M4300-SPDTM4300-SPDT Float switch, brass and Buna, 1/4" NPT, 25 watt SPDT $56.06/ea $56.06
M4301M4301 Float switch, brass and Buna, 1/4" NPT, 100 watt $39.76/ea $39.76
M4302-7807-1M4302-7807-1 Adjustable float switch, brass and Buna, 10.5" Max, 2" NPT $155.82/ea $155.82
M4302-7807-2M4302-7807-2 Adjustable float switch,brass and Buna, 22.5" max, 2" NPT $169.57/ea $169.57
M4302-7807-3M4302-7807-3 Adjustable float switch,brass and Buna, 34.5" max, 2" NPT $175.88/ea $175.88
M4302-7807-4M4302-7807-4 Adjustable float switch,brass and Buna, 46.5" max, 2" NPT $186.48/ea $186.48
M4302-7807-5M4302-7807-5 Adjustable float switch,brass and Buna, 58.5" max, 2" NPT $194.23/ea $194.23
M4302-7807-6M4302-7807-6 Adjustable float switch, brass and Buna, 70.5" max, 2" NPT $202.23/ea $202.23
M4302-xxxxxM4302-xxxxx Multi-point float switch,brass and Buna, custom configured

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M4402-xxxxxM4402-xxxxx Miniature multi-point float switch, stainless steel and Buna, custom configured

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M4500M4500 Miniature float switch, brass and Buna, 1/8" NPT $30.04/ea $30.04
M4502-xxxxxM4502-xxxxx Miniature multi-point float switch, brass and Buna, custom configurable

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M4546M4546 Oval tilt float switch, plastic, 6.6 ft 18 AWG 3 conductor cable, SPDT $29.29/ea $29.29
M4548M4548 Industrial tilt float switch, plastic, 6.5 ft 18 AWG 3 conductor cable, SPDT $59.23/ea $59.23
M4549M4549 Industrial tilt float switch, plastic, 49 ft 18 AWG 3 conductor cable, SPDT $91.24/ea $91.24
M4602-xxxxxM4602-xxxxx Multi-point float switch, stainless steel and Buna, custom configured

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M5000M5000 Miniature float switch, stainless steel, 1/8" NPT $49.04/ea $49.04
M5002-xxxxxM5002-xxxxx Miniature multi-point float switch, stainless steel, custom configured

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M5010M5010 Miniature side mount 90 degree float switch, stainless steel, 3/8" bulkhead $52.78/ea $52.78
M5400M5400 Float switch, stainless steel and Buna, 1/4" NPT, 60 watt

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M5400-SPDTM5400-SPDT Float switch, stainless steel and Buna, 1/4" NPT, 25 watt SPDT

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M5401M5401 Float switch, stainless steel and Buna, 1/4" NPT, 100 watt

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M5600M5600 Float switch, stainless steel, 1/4" NPT, 60 watt $66.61/ea $66.61
M5600-PRM5600-PR Float switch, stainless steel, 1/4" NPT, 100 watt, for high pressure $98.02/ea $98.02
M5600-SPDTM5600-SPDT Float switch, stainless steel, 1/4" NPT, 25 watt SPDT $94.25/ea $94.25
M5601M5601 Float switch, stainless steel, 1/4" NPT, 100 watt $84.20/ea $84.20
M5602-7808-1M5602-7808-1 Adjustable float switch, stainless steel, 2" NPT, 10.5" max $227.26/ea $227.26
M5602-7808-2M5602-7808-2 Adjustable float switch, stainless steel, 2" NPT, 22.5" max $245.11/ea $245.11
M5602-7808-3M5602-7808-3 Adjustable float switch, stainless steel, 2" NPT, 34.5" max $256.03/ea $256.03
M5602-7808-4M5602-7808-4 Adjustable float switch, stainless steel, 2" NPT, 46.5" max $267.84/ea $267.84
M5602-7808-5M5602-7808-5 Adjustable float switch, stainless steel, 2" NPT, 58.5" max $279.55/ea $279.55
M5602-7808-6M5602-7808-6 Adjustable float switch, stainless steel, 2" NPT, 70.5" max $285.58/ea $285.58
M5602-xxxxxM5602-xxxxx Multi-point float switch, stainless steel, custom configured

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M5900M5900 Side mount float switch, stainless steel, 1" x 1/2" NPT $180.96/ea $180.96
M5910M5910 Side mount float switch, stainless steel, 1/2" x 1/4" NPT $153.26/ea $153.26
M5917M5917 Float switch, stainless steel, 1/4" NPT, for high temperature $77.24/ea $77.24
M5920M5920 Side mount float switch, stainless steel, 1/2" x 1/2" NPT $165.88/ea $165.88
M5970M5970 Side mount float switch, stainless steel, 1/2" bulkhead $91.74/ea $91.74
M7000M7000 Miniature float switch, PBT and Buna, 1/8" NPT $15.03/ea $15.03
M7700M7700 Side mount float switch, PBT, 1/2" x 1/2" NPT $22.25/ea $22.25
M7705M7705 Side mount float switch, PBT, 1" x 1/2" NPT, slosh shield $67.69/ea $67.69
M7725M7725 Side mount float switch, PBT, 1/2" NPT, 1/4" spade terminals $26.39/ea $26.39
M7750M7750 Side mount float switch, PBT, 1/2" NPT $23.56/ea $23.56
M7755M7755 Side mount float switch, PBT, 1" NPT, slosh shield $66.37/ea $66.37
M7790M7790 Side mount float switch, PBT, 5/8" bulkhead with silicone gasket $26.46/ea $26.46
M7800M7800 Float switch, PBT and Buna, 1/4" NPT, 60 watt $32.67/ea $32.67
M7800-SPDTM7800-SPDT Float switch, PBT and Buna, 1/4" NPT, 25 watt SPDT $47.70/ea $47.70
M7801M7801 Float switch, PBT and Buna, 1/4" NPT, 100 watt

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M8000M8000 Miniature float switch, polypropylene, 1/8" NPT $13.23/ea $13.23
M8000-CM8000-C Miniature float switch, polypropylene, 3/4" PVC pipe insert, for condensate lines $21.89/ea $21.89
M8000BM8000B Miniature float switch, polypropylene, 3/8" bulkhead with nut $32.95/ea $32.95
M8002-xxxxxM8002-xxxxx Miniature multi-point float switch, stainless steel and polypropylene, custom configured

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M8020M8020 Miniature float switch, stainless steel and polypropylene, 1/8" NPT $68.53/ea $68.53
M8060-PRM8060-PR Float switch, CPVC and polypropylene, 1/4" NPT, 100 watt $58.21/ea $58.21
M8080-xxxxxM8080-xxxxx Miniature multi-point float switch, polypropylene , custom configured

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M8085M8085 Miniature multi-point float switch, polypropylene , 1/4" NPT, normally closed, 2 level $63.20/ea $63.20
M8401M8401 Brass Full-Size Switch

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M8600M8600 Float switch, stainless steel and polypropylene, 1/4" NPT, 60 watt $50.27/ea $50.27
M8602-xxxxxM8602-xxxxx Multi-point float switch, stainless steel and polypropylene, custom configured

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M8700M8700 Side-mount float switch, polypropylene, 1/2" x 1/2" NPT $15.03/ea $15.03
M8700-CM8700-C Side-mount float switch, polypropylene, 3/4" x 1/2" NPT, for HVAC condensate $21.36/ea $21.36
M8705M8705 Side-mount float switch, polypropylene, 1" x 1/2" NPT, slosh shield $33.93/ea $33.93
M8710M8710 Side-mount float switch, polypropylene, 1/2" x 1/4" NPT $57.81/ea $57.81
M8725M8725 Side-mount float switch, polypropylene, 1/2" NPT, 1/4" spade terminals $20.11/ea $20.11
M8750M8750 Side-mount float switch, polypropylene, 1/2" NPT $12.93/ea $12.93
M8755M8755 Side-mount float switch, polypropylene, 1" NPT, slosh shield $35.51/ea $35.51
M8790M8790 Side-mount float switch, polypropylene, 5/8" bulkhead with silicone gasket $17.60/ea $17.60
M8790-14/4184M8790-14/4184 Side-mount float switch, polypropylene, 5/8" bulkhead with rubber compression grommet $32.13/ea $32.13
M8800M8800 Float switch, polypropylene, 1/4" NPT, 60 watt $54.67/ea $54.67
M8800-PRM8800-PR Float switch, polypropylene, 1/4" NPT, 100 watt, 500 PSI $98.93/ea $98.93
M8800-SPDTM8800-SPDT Float switch, polypropylene, 1/4" NPT, 25 watt SPDT $76.40/ea $76.40
M8801M8801 Float switch, polypropylene, 1/4" NPT, 100 watt

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M8802-xxxxxM8802-xxxxx Float switch, polypropylene, custom configured

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M9000M9000 Miniature float switch, Kynar, 1/8" NPT $37.70/ea $37.70
M9700M9700 Side-mount float switch, Kynar, 1/2" x 1/2" NPT $31.42/ea $31.42
M9705M9705 Side-mount float switch, Kynar, 1" x 1/2" NPT, slosh shield $66.63/ea $66.63
ML4444ML4444 Multi-point float switch kit, brass and Buna, 2" NPT, 2 level $232.49/ea $232.49
ML4444-LVL3ML4444-LVL3 Multi-point float switch kit, brass and Buna, 3rd level adder, for ML4444 $74.43/ea $74.43
ML4444-LVL4ML4444-LVL4 Multi-point float switch kit, brass and Buna, 4th level adder, for ML4444 $80.89/ea $80.89
ML4444-LVLS3&4ML4444-LVLS3&4 3rd & 4th Level Adder Option for ML4444 Multi-Point Switch Kit $143.41/ea $143.41
ML5555ML5555 Multi-point float switch kit, stainless steel, 2" NPT, 2 level $471.26/ea $471.26
ML5555-LVL3ML5555-LVL3 Multi-point float switch kit, stainless steel, 3rd level adder, for ML5555 $163.68/ea $163.68
ML5555-LVL4ML5555-LVL4 Multi-point float switch kit, stainless steel, 4th level adder, for ML5555 $153.83/ea $153.83
ML5555-LVLS3&4ML5555-LVLS3&4 3rd & 4th Level Adder Option for ML5555 Float Switch Kit $322.32/ea $322.32
ML8888ML8888 Multi-point float switch kit, polypropylene, 2" NPT, 2 level $392.78/ea $392.78
ML8888-LVL3ML8888-LVL3 Multi-point float switch kit, polypropylene, 3rd level adder, for ML8888 $59.06/ea $59.06
ML8888-LVL4ML8888-LVL4 Multi-point float switch kit, polypropylene, 4th level adder, for ML8888 $60.21/ea $60.21
ML8888-LVLS3&4ML8888-LVLS3&4 3rd & 4th Level Adder Option for ML8888 Float Switch Kit $109.20/ea $109.20
MS4010MS4010 Miniature side mount 90 degree float switch, brass and Buna, 3/8" bulkhead, slosh shield $77.62/ea $77.62
MS4500MS4500 Miniature float switch, brass and Buna, 1/8" NPT, slosh shield $64.43/ea $64.43
MS5010MS5010 Miniature side mount 90 degree float switch, stainless steel, 3/8" bulkhead, slosh shield $84.20/ea $84.20
MS5600MS5600 Float switch, stainless steel, 1/4" NPT, 60 watt, slosh shield $116.87/ea $116.87
MS7000MS7000 Miniature float switch, PBT and Buna, 1/8" NPT, slosh shield $32.05/ea $32.05
MS7725MS7725 Side mount float switch, PBT, slosh shield, 1/4" spade terminals $63.45/ea $63.45
MS7800MS7800 Float switch, PBT and Buna, 1/4" NPT, 60 watt, slosh shield $39.40/ea $39.40
MS8000MS8000 Miniature float switch, polypropylene, 1/8" NPT, slosh shield $26.39/ea $26.39
MS8040MS8040 Brass Miniature Switch

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MS8725MS8725 Side-mount float switch, polypropylene, 1/2" NPT, slosh shield, 1/4" spade terminals $43.98/ea $43.98
MS8800MS8800 Float switch, polypropylene, 1/4" NPT, 60 watt, slosh shield $65.78/ea $65.78
MS9000MS9000 Miniature float switch, Kynar, 1/8" NPT, slosh shield $51.28/ea $51.28
MSB5600MSB5600 Float switch, stainless steel, bracket mount, 60 watt, slosh shield $163.69/ea $163.69
MSB8800MSB8800 Float switch, polypropylene,bracket mount, 60 watt, slosh shield $103.05/ea $103.05