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APG
Miniature Stainless Steel
Vertical Float Switches
Series: FS-410
®
C
US
Series FS-410 Miniature Stainless Steel Vertical Float Switches are proof that excellence comes in small packages.
Their compact size -- less than 2.35” from top of threads to end of stem -- all stainless steel wetted materials, and
user-reversible switch orientation, make them any easy choice for OEM, water and wastewater, and chemical appli-
cations. All Series FS-410s carry NSF certications, and Series FS-410-S switches are CSA Explosion Proof.
Features
• Exteremely compact size
• Reliability/long switch life
• Shock resistive construction
• Can be used in a wide range of liquids
• Operating temperatures up to 500° F (260° C)
Automation Products Group, Inc. | 888.525.7300 | sales@apgsensors.com | www.apgsensors.com
• Switch rated for 100W
• NSF 169 certied
• CSA Explosion Proof (Standard Temp) and General
Use (High Temp)
Rev. B2, 06/05/2019
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APG
FS-410 Specications
Series
Model FS-410-S FS-410-HT
Switch action for the FS-410 is reversible.
Standard is NO, user reversible for NC.
FS-410
Performance
Pressure Rating 300 psi (20.7 bar)
Minimum S.G. 0.7
N.O. Actuation 0.130” ± 0.015” (3.30 mm ± .38 mm)
N.C. Actuation 0.115” ± 0.015” (2.92 mm ± .38 mm)
Hysteresis 0.060” ± 0.010” (1.52 mm ± .25 mm)
Environmental
Operating Temp. -40º to 368ºF (-40º to 187ºC) -40º to 500ºF (-40º to 260ºC)
Liquids Chemicals, Food, Potable Water
Electrical
Switch Rating
Max Capacity 100 W (resistive load only)
Max Current (AC, 50/60 Hz) 240 VAC: 0.416 A; 120 VAC: 0.833 A; ≤100 VAC: 1 A
Max Current (DC) 120 VDC: 0.833 A; ≤100 VDC: 1 A
Life Expectancy 10
Lead Wires #22 AWG, Teon 24 - 99 in. (610 - 2515 mm)
6
- 10
8
(# of actuations; dependent on load)
Physical
Material
Stem 316L SS
Float 316L SS
Retainer 316L SS
Mounting Vertical
Certication
CSA/cCSAus Contract #237484 Explosion Proof General Use
Class I, Div 1 & 2, Groups A, B,C, & D, T3 --
Class II, Div. 1, Groups E, F, T200°C --
Class II, Div. 2, Groups F, G, T200°C --
Class III --
Ta -40° C to 187° C --
Single Seal
NSF 169 Yes
Enclosure Rating NEMA 4X
Automation Products Group, Inc. | 888.525.7300 | sales@apgsensors.com | www.apgsensors.com
®
2
Rev. B2, 06/05/2019
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APG
Common Model Congurations
Model Number Model Description
FS-410-S-M1-M1-0.7-P14-24 Stainless Steel Stem and Float, Standard Temperature, 0.7 SG, 1/8” NPTM, 24” Wires
FS-410-HT-M1-M1-0.7-P14-24 Stainless Steel Stem and Float, High Temperature, 0.7 SG, 1/8” NPTM, 24” Wires
FS-410-S-M1-M1-0.7-P14-36 Stainless Steel Stem and Float, Standard Temperature, 0.7 SG, 1/8” NPTM, 36” Wires
FS-410-HT-M1-M1-0.7-P14-36 Stainless Steel Stem and Float, High Temperature, 0.7 SG, 1/8” NPTM, 36” Wires
FS-410-S-M1-M1-0.7-P14-48 Stainless Steel Stem and Float, Standard Temperature, 0.7 SG, 1/8” NPTM, 48” Wires
FS-410-HT-M1-M1-0.7-P14-48 Stainless Steel Stem and Float, High Temperature, 0.7 SG, 1/8” NPTM, 48” Wires
FS-410 Replacements / Accessories
Please order separately, by part number.
Description Part Number
1” Float, 316 SS, Standard Temp; Quantity 5 200329
1” Float, 316 SS, High Temp; Quantity 5 200330
E clip, 316 SS; Quantity 20 200331
NO Accuation: 0.130" ± 0.015"
NC Accuation: 0.115" ± 0.015"
Automation Products Group, Inc. | 888.525.7300 | sales@apgsensors.com | www.apgsensors.com
®
1/8" NPTM
1/2" Hex Nut
1.39"
[35.34mm]
0.34"
[8.64mm]
2.32"
[58.93mm]
1.80"
[45.72mm]
1.17"Ø
[29.72mm]
3
Rev. B2, 06/05/2019
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APG
Model Conguration Options
Model Number: FS-410 - _____ - _M1_ - _M1_ - _0.7_ - _P14_ - _____
A B C D E F
®
A. Operating Temperature
▲
□ S
Standard Range (-40 - 187°C)
□ HT High Temperature Range (-40 - 260°C)*
B. Stem Material
▲
□ M1
C. Float Material
□ M1
316 Stainless Steel
▲
316 Stainless Steel
D. Float Specic Gravity
▲
□ 0.7
E. Fitting Type
□ P14
F. Wire Length
0.7 Specic Gravity
▲
1/8” NPTM
□ __ Wire Length in Inches (24 - 99)
Note: *Indicates this option is only available with CSA General
Purpose ratings.
Automation Products Group, Inc. | 888.525.7300 | sales@apgsensors.com | www.apgsensors.com
Document #9005501; Part #200215 Rev. B2, 06/05/2019
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