Small PackageFrom the top of the mounting threads, to the bottom of the stem, the FS-410 is less than 2.35" long, and the float is just under 1.2" wide.
Temperature RangesThe FS-410-S is the standard temperature range model and has an operating temperature range of -40° to 368° F (-40° to 187° C).
User Reversible OperationFS-410 float switches come standard with Normally Open operation. The e-clip at the bottom of the stem is easily removed to change the orientation of the float, changing the switch operation to Normally Closed.
Switch Points1 NO/NC, customer reversibleSpecific GravityMinimum 0.7Pressure Rating300 psi (20.7 bar)
CertifcationsExplosion ProofClass I, Div 1 & 2, Groups A, B, C, & D, T3Class II, Div. 1, Groups E, F, T200°CClass II, Div. 2, Groups F, G, T200° CClass IIITa -40° C to 187° C
Single Seal
NSF 169
Enclosure RatingNEMA 4X
Operating Temperature-40 to 368° F (-40 to 187° C) - Standard Model
Max Capacity100 W (resistive load only)
Max Current (DC)120 VDC: 0.833 A; ≤100 VDC: 1 A
Life Expectancy106 - 108 (# of actuations; dependent on load)
Lead Wires#22 AWG, Teflon 60 in.
Stem Materials 316L SS
Float Materials316L SS
Retainer316L SS
MountingVertical
