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Stainless Steel
Vertical Float Switches
Series: FS-400
®
C
US
Series FS-400 Stainless Steel Vertical Float Switches are durable oat switches with CSA and NSF certications and
a wide range of applications. Their compact size -- less than 3.5” from top of threads to end of stem -- all stainless
steel wetted materials, and user-reversible switch orientation, make them an easy choice for OEM, water and wastewater, and chemical applications.
Features
• 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 100 W
• NSF 169 certied
• CSA Explosion Proof (Standard Temp) and General
Use (High Temp)
Rev. B1, 04/10/2019
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FS-400 Specications
Series
Model FS-400-S FS-400-HT
Switch action for the FS-400 is reversible.
Standard is NO, user reversible for NC.
FS-400
Performance
Pressure Rating 200 psi (13.8 bar) 500 psi (34.5 bar)
Minimum S.G. 0.6
N.O. Actuation 0.220” ± 0.015” (5.59 mm ± .38 mm)
N.C. Actuation 0.160” ± 0.015” (4.06 mm ± .38 mm)
Hysteresis 0.070” ± 0.010” (1.78 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
8
-
(# of actuations; depedant on electrical load)
10
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. B1, 04/10/2019