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MADISON Liquid Level Switches

Point-level float switches featuring reed switch technology to externally control an alarm or an ON / OFF switch and field-adjustable stem lengths (on selected models) for using just one sensor in multiple drums. Available in close-on-rise & open-on-rise configurations

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Madison liquid level switches regulate and monitor the oil or water level in a container. These units float on the top of the liquid surface and notify users when the liquid surface goes up or down. They are used in pumps, valves or alarms.

MADISON -

Selectable Liquid Level Switch

Style	Model	Body Material	Conduit Size	Electrical Connections	Float Dia.	Float Material	Height	Max. Pressure	Mounting	Price (ex. VAT)
A	M4065	304 Stainless Steel	1.5"	22 ga. MTW 24"	1.5"	304 SS	10.25"	100 psi	Horizontal	€695.55
B	M5600	316 Stainless Steel	1/4"	22 ga. PTFE Coated 24" Leads	2.13"	316 SS	3.52"	200 psi	Vertical	€73.72
C	M3326-SM	Polypropylene	3/8-16"	PTFE Jacketed Wire Leads	0.78"	Polypropylene	1.85"	50 psi	Horizontal	€26.29
D	M8790-14/4184	Polypropylene	5/8-11"	22 ga. MTW Coated 24" Leads	1"	Polypropylene	-	100 psi	Horizontal	€31.81
E	M3727	Stainless Steel	1/2" x 1/4"	22 ga. PTFE Coated 24" Leads	0.65"	Stainless Steel	-	300 psi	Horizontal	€150.70
F	MS8010	Stainless Steel	1/8"	22 ga. PTFE Coated 24" Leads	1"	Polypropylene	2.96"	100 psi	Horizontal	€69.79

MADISON -

Open On Rise Liquid Level Switch

Style	Model	Body Material	Conduit Size	Electrical Connections	Float Dia.	Float Material	Height	Max. Pressure	Mounting	Price (ex. VAT)
A	M3827-2	316 Stainless Steel	1/2"	22 ga. PTFE Coated 24" Leads	1.54"	316 SS	-	50 psi	Horizontal	€129.94
B	M3827-3	316 Stainless Steel	1/8"	22 ga. PTFE Coated 24" Leads	1.54"	316 SS	-	50 psi	Horizontal	€151.57
C	M3782	Brass/PBT	-	20 ft. 22 AWG, HALAR Jacketed 2-conductor Cable With Watertight Connector	1"	Buna N	4.06"	50 psi	Vertical	€138.32
D	M3326	Polypropylene	3/8-16"	22 ga. PTFE Coated 24" Leads	0.58"	Polypropylene	1.85"	50 psi	Vertical	€25.92
E	M3326-NPT	Polypropylene	1/8"	22 ga. PTFE Coated 24" Leads	0.58"	Polypropylene	1.68"	50 psi	Vertical	€41.66
F	M8800-PR	Polypropylene	1/4"	22 ga. MTW Coated 24" Leads	1.5"	Polypropylene	3.38"	100 psi	Vertical	€120.71
G	M8000-C	Polypropylene and PVC	3/4"	22 ga. MTW Coated 24" Leads	0.875"	Polypropylene	2.25"	50 psi	Vertical	€28.18
H	M4035	Stainless Steel	1/8"	22 ga. PTFE Coated 24" Leads	0.78"	Polypropylene	1.44"	100 psi	Vertical	€51.78

MADISON -

Open On Rise Multi-level Liquid Level Switch

Style	Model	Body Material	Conduit Size	Float Dia.	Float Material	Max. Pressure	Operating Temp. Range	Overall Length	Stem Length	Price (ex. VAT)
A	M5605	316 Stainless Steel	1/2"	2.13"	316 SS	200 psi	392 Degrees F Max.	8.25"	7.25"	€242.83
B	M8085	Polypropylene	1/4"	1"	Polypropylene	100 psi	221 Degrees F Max.	7.5"	6.75"	€89.83

MADISON -

Plastic Single-Point Liquid Level Switches

Style	Model	Body Material	Conduit Size	Contact Form	Electrical Connections	Float Dia.	Float Material	Height	Max. Pressure	Price (ex. VAT)
A	M5970	316 Stainless Steel	1/2"	SPST	22 ga. PTFE Coated 24" Leads	1"	316 SS	-	100 psi	€114.80
B	M5900	316 Stainless Steel	1/2" x 1"	SPDT	22 ga. PTFE Coated 24" Leads	0.63"	316 SS	-	300 psi	€179.50
C	M5917	316 Stainless Steel	1/4"	SPST	18 ga.PTFE Coated 24" Leads	2.13"	316 SS	3.38"	200 psi	€85.29
D	M5910	316 Stainless Steel	1/4" x 1/2"	SPDT	22 ga. PTFE Coated 24" Leads	0.63"	316 SS	-	300 psi	€180.93
E	M4010	Brass	3/8-20"	SPST	22 ga. PTFE Coated 24" Leads	1"	Buna N	2.96"	100 psi	€61.37
F	M4300	Brass	1/4"	SPST	22 ga. MTW Coated 24" Leads	1.25"	Buna N	3.38"	150 psi	€54.37
G	M9705	Kynar	1/2" x 1"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	Kynar	-	100 psi	€85.75
H	M9000	Kynar	1/8"	SPST	22 ga. PTFE Coated 24" Leads	1"	Kynar	2.25"	15 psi	€25.69
I	M9700	Kynar	1/2" x 1/2"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	Kynar	-	100 psi	€32.17
J	M7700	PBT	1/2" x 1/2"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	PBT	-	100 psi	€18.34
K	M7000	PBT	1/8"	SPST	22 ga. PTFE Coated 24" Leads	1"	Buna N	2.25"	150 psi	€18.35
L	M7750	PBT	1/2"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	PBT	-	100 psi	€26.04
M	M7740	PBT	3/4-16" x 7/8-14"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	PBT	-	100 psi	€25.47
N	M7725	PBT	1/2"	SPST	22 ga. MTW Coated 24" Leads	0.65"	PBT	-	100 psi	€24.34
O	M7790	PBT	5/8-11"	SPST	22 ga. PTFE Coated 24" Leads	0.65"	PBT	-	100 psi	€26.44
P	M8000B	Polypropylene	3/8-16"	SPST	22 ga. MTW Coated 24" Leads	1"	Polypropylene	-	100 psi	€38.83
Q	M8750	Polypropylene	1/2"	SPST	22 ga. MTW Coated 24" Leads	1"	Polypropylene	-	100 psi	€16.33
R	MSB8800	Polypropylene	-	SPST	1.8m PP Cable	1.5"	Polypropylene	3.89"	100 psi	€130.18
S	M8710	Polypropylene	1/4" x 1/2"	SPST	22 ga. MTW 24"	1"	Polypropylene	-	100 psi	€46.05
T	M8700	Polypropylene	1/2" x 1/2"	SPST	22 ga. MTW Coated 24" Leads	0.65"	Polypropylene	-	100 psi	€14.37
U	M8000	Polypropylene	1/8"	SPST	22 ga. MTW Coated 24" Leads	1"	Polypropylene	2.25"	100 psi	€14.56
V	M8700-C	Polypropylene	1/2"	SPST	22 ga. MTW Coated 24" Leads	0.5"	Polypropylene	-	100 psi	€17.73
W	M8800	Polypropylene	1/4"	SPST	22 ga. MTW Coated 24" Leads	1.5"	Polypropylene	3.41"	100 psi	€72.32
X	M8705	Polypropylene	1/2" x 1"	SPST	22 ga. MTW Coated 24" Leads	1"	Polypropylene	-	100 psi	€40.46
Y	M8790	Polypropylene	5/8-11"	SPST	22 ga. MTW Coated 24" Leads	1"	Polypropylene	-	100 psi	€16.36

MADISON -

Stainless Steel Single-Point Liquid Level Switches

Style	Model	Body Material	Conduit Size	Electrical Connections	Float Dia.	Float Material	Height	Max. Pressure	Mounting	Price (ex. VAT)
A	M4190-HP	304 Stainless Steel	1"	22 ga. PTFE Coated 24" Leads	2.04"	304 SS	-	900 psi	Horizontal	€306.57
B	M4190	304 Stainless Steel	1"	22 ga. PTFE Coated 24" Leads	1"	304 SS	-	150 psi	Horizontal	€365.55
C	M4190-BU	304 Stainless Steel	1"	22 ga. PTFE Coated 24" Leads	0.92"	Buna N	-	100 psi	Horizontal	€381.63
D	M5920	316 Stainless Steel	1/2" x 1/2"	22 ga. PTFE Coated 24" Leads	0.13"	316 SS	-	300 psi	Horizontal	€157.44
E	MS5917	316 Stainless Steel	1/4"	18 ga.PTFE Coated 24" Leads	2.13"	316 SS	3.38"	200 psi	Vertical	€108.52
F	MSB5600	316 Stainless Steel	-	1.8m PTFE Cable	2.13"	316 SS	3.64"	85 psi	Vertical	€222.61
G	MS5010	316 Stainless Steel	3/8-24"	22 ga. PTFE Coated 24" Leads	1.13"	316 SS	1.61"	300 psi	Horizontal	€95.21
H	M5000	316 Stainless Steel	1/8"	22 ga. PTFE Coated 24" Leads	1.13"	316 SS	2.25"	300 psi	Vertical	€69.14
I	M5010	316 Stainless Steel	3/8-24"	22 ga. PTFE Coated 24" Leads	1.13"	316 SS	2.96"	300 psi	Horizontal	€66.60
J	M5600-PR	316 Stainless Steel	1/4"	22 ga. PTFE Coated 24" Leads	2"	316 SS	3.52"	500 psi	Vertical	€117.70
K	MS9000	Kynar	1/8"	22 ga. PTFE Coated 24" Leads	1"	Kynar	2.25"	15 psi	Vertical	€43.74
L	MS7000	PBT	1/8"	22 ga. PTFE Coated 24" Leads	1"	Buna N	2.25"	150 psi	Vertical	€28.86
M	MS8000	Polypropylene	1/8"	22 ga. PTFE Coated 24" Leads	1"	Polypropylene	2.25"	100 psi	Vertical	€28.03
N	MS8800	Polypropylene	1/4"	22 ga. MTW Coated 24" Leads	1.5"	Polypropylene	3.38"	100 psi	Vertical	€77.96

MADISON -

Adjustable-Level Liquid Level Switches

Style	Model	Body Material	Float Dia.	Float Material	Height	Max. Pressure	Operating Temp. Range	Overall Length	Stem Length	Price (ex. VAT)
A	M5602-7808-1	316 Stainless Steel	2.13"	316 SS	12"	200 psi	392 Degrees F Max.	12"	10.5"	€361.87
B	M5602-7808-6	316 Stainless Steel	2.13"	316 SS	72"	200 psi	392 Degrees F Max.	72"	70.5"	€309.03	RFQ
C	M4302-7807-6	Brass	1.25"	Buna N	72"	150 psi	221 Degrees F Max.	72"	70.5"	€177.30	RFQ

MADISON -

Selectable Multi-level Liquid Level Switch

Style	Model	Body Material	Electrical Connections	Float Dia.	Float Material	Max. Pressure	Operating Temp. Range	Stem Material	Width	Price (ex. VAT)
A	ML5555	316 Stainless Steel	22 ga. PTFE	2.125"	316 SS	200 psi	392 Degrees F Max.	316 SS	43.19"	€598.92
B	ML4444	Polypropylene	22 ga. PTFE	1.25"	Buna N	150 psi	221 Degrees F Max.	Brass	18"	€381.45
C	ML8888	Polypropylene	23 ga. PTFE	1.5"	Polypropylene	100 psi	221 Degrees F Max.	Polypropylene	-	€351.43

MADISON -

Open On Rise Ultra Low Level Liquid Switch

Style	Model	Body Material	Electrical Connections	Float Material	Stem Material	Price (ex. VAT)
A	M4400-ULL-NC	316 Stainless Steel	22 ga. PTFE Coated 24" Leads	Buna N	316 SS	€84.12
B	M8020-ULL-NC	316 Stainless Steel	22 ga. PTFE Coated 24" Leads	Polypropylene	316 SS	€64.27
C	M9000-ULL-NC	Kynar	22 ga. PTFE Coated 24" Leads	Kynar	Kynar	€61.86
D	M8000-ULL-NC	Polypropylene	22 ga. MTW Coated 24" Leads	Polypropylene	Polypropylene	€57.61

MADISON -

Selectable Drum Liquid Level Switch

Style	Model	Body Material	Float Material	Max. Pressure	Operating Temp. Range	Stem Material	Price (ex. VAT)
A	M4169-3	316 Stainless Steel	316 SS	250 psi	302 Degrees F Max.	316 SS	€329.28
B	M4168-3	Brass	Buna N	150 psi	221 Degrees F Max.	Brass	€217.91

MADISON -

Close On Rise Drum Liquid Level Switch

Style	Model	Body Material	Float Material	Max. Pressure	Operating Temp. Range	Stem Material	Price (ex. VAT)
A	M4169-1	316 Stainless Steel	316 SS	250 psi	302 Degrees F Max.	316 SS	€193.96
B	M4168-1	Brass	Buna N	150 psi	221 Degrees F Max.	Brass	€149.66

MADISON -

Close On Rise Liquid Level Switch

Style	Model	Body Material	Conduit Size	Electrical Connections	Float Dia.	Float Material	Height	Max. Pressure	Mounting	Price (ex. VAT)
A	M3827-2NO	316 Stainless Steel	1/2"	22 ga. PTFE Coated 24" Leads	1.54"	316 SS	-	50 psi	Horizontal	€130.45
A	M3827-3NO	316 Stainless Steel	1/8"	22 ga. PTFE Coated 24" Leads	1.54"	316 SS	-	50 psi	Horizontal	€145.87
B	M8000-NO	Polypropylene	1/8"	22 ga. MTW Coated 24" Leads	1"	Polypropylene	2.25"	100 psi	Vertical	€18.85
C	M3326-NO	Polypropylene	3/8-16"	22 ga. PTFE Coated 24" Leads	0.58"	Polypropylene	1.85"	50 psi	Vertical	€27.83
D	M3326-NPT-NO	Polypropylene	1/8"	22 ga. PTFE Coated 24" Leads	0.58"	Polypropylene	1.68"	50 psi	Vertical	€40.77

MADISON -

Open On Rise Drum Liquid Level Switch

Style	Model	Body Material	Float Material	Max. Pressure	Operating Temp. Range	Stem Material	Price (ex. VAT)
A	M4169-2	316 Stainless Steel	316 SS	250 psi	302 Degrees F Max.	316 SS	€231.77
B	M4168-2	Brass	Buna N	150 psi	221 Degrees F Max.	Brass	€183.35

MADISON -

Close On Rise Ultra Low Level Liquid Switch

Style	Model	Body Material	Electrical Connections	Float Material	Stem Material	Price (ex. VAT)
A	M4400-ULL-NO	316 Stainless Steel	22 ga. PTFE Coated 24" Leads	Buna N	316 SS	€70.27
B	M4400-PBT-ULL-NO	316 Stainless Steel	22 ga. PTFE Coated 24" Leads	PBT	316 SS	€56.26
C	M8020-ULL-NO	316 Stainless Steel	22 ga. PTFE Coated 24" Leads	Polypropylene	316 SS	€64.48
D	M4500-ULL-NO	Brass	22 ga. PTFE Coated 24" Leads	Buna N	Brass	€75.21
E	M9000-ULL-NO	Kynar	22 ga. PTFE Coated 24" Leads	Kynar	Kynar	€75.32
F	M7000-PBT-ULL-NO	PBT	22 ga. PTFE Coated 24" Leads	PBT	PBT	€57.63
F	M7000-ULL-NO	PBT	22 ga. PTFE Coated 24" Leads	Buna N	PBT	€73.29
G	M8000-ULL-NO	Polypropylene	22 ga. MTW Coated 24" Leads	Polypropylene	Polypropylene	€54.97

MADISON -

Single Point Level Switch, 0.75 Inch Float Dia., 30 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M8000-75	CM7MYZ	€36.43

MADISON -

Single Point Level Switch, 3.5 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M5602-13331	CM7MYT	€502.39

MADISON -

Single Point Level Switch, 1.5 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M8600	CM7MZA	€45.99	See Details

MADISON -

Single Point Level Switch, Miniature, 1 Inch Float Dia., 30 Watt, SPST, 120V AC, 0.28A

Model	Item	Price (ex. VAT)
M4500	CM7MYP	€35.21	See Details

MADISON -

Side Mount Level Switch, 1/4 Inch Spade Terminals, 1/2 Inch NPT Mount, 30 Watt, SPST, 100 PSI

Model	Item	Price (ex. VAT)
M8725	CM7MZB	€25.15	See Details

MADISON -

Single Point Level Switch, 1.25 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M7800	CM7MYY	€30.18	See Details

MADISON -

Single Point Level Switch, 2.05 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M5601-HP	CM7MYR	€69.71	See Details

MADISON -

Single Point Level Switch, 2.13 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Model	Item	Price (ex. VAT)
M5601	CM7MYQ	€76.90	See Details

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MADISON Liquid Level Switches

Point-level float switches featuring reed switch technology to externally control an alarm or an ON / OFF switch and field-adjustable stem lengths (on selected models) for using just one sensor in multiple drums. Available in close-on-rise & open-on-rise configurations

Selectable Liquid Level Switch

Open On Rise Liquid Level Switch

Open On Rise Multi-level Liquid Level Switch

Plastic Single-Point Liquid Level Switches

Stainless Steel Single-Point Liquid Level Switches

Adjustable-Level Liquid Level Switches

Selectable Multi-level Liquid Level Switch

Open On Rise Ultra Low Level Liquid Switch

Selectable Drum Liquid Level Switch

Close On Rise Drum Liquid Level Switch

Close On Rise Liquid Level Switch

Open On Rise Drum Liquid Level Switch

Close On Rise Ultra Low Level Liquid Switch

Single Point Level Switch, 0.75 Inch Float Dia., 30 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 3.5 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 1.5 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, Miniature, 1 Inch Float Dia., 30 Watt, SPST, 120V AC, 0.28A

Side Mount Level Switch, 1/4 Inch Spade Terminals, 1/2 Inch NPT Mount, 30 Watt, SPST, 100 PSI

Single Point Level Switch, 1.25 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 2.05 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 2.13 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

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MADISON Liquid Level Switches Point-level float switches featuring reed switch technology to externally control an alarm or an ON / OFF switch and field-adjustable stem lengths (on selected models) for using just one sensor in multiple drums. Available in close-on-rise & open-on-rise configurations

Single Point Level Switch, 0.75 Inch Float Dia., 30 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 3.5 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 1.5 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, Miniature, 1 Inch Float Dia., 30 Watt, SPST, 120V AC, 0.28A

Side Mount Level Switch, 1/4 Inch Spade Terminals, 1/2 Inch NPT Mount, 30 Watt, SPST, 100 PSI

Single Point Level Switch, 1.25 Inch Float Dia., 60 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 2.05 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Single Point Level Switch, 2.13 Inch Float Dia., 100 Watt, SPST, 240V AC, 0.40A

Frequently Asked Questions

What is the purpose of the float level sensor?

What are side mount level switches used for?

What is the advantage of polypropylene in Madison level switches?

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