APG FS-400 Stainless Steel Vertical Float Switch

Introducing compact, durable, easy to use the Explosion Proof Stainless Steel Vertical Float Switch APG FS-400 Series is certified for use in Class 1 Division 1, Division 2, Class 2 Division 1, Division 2, Class 3 hazardous locations. Backed up with NFC and NEMA 4x approvals. With all stainless steel wetted materials, operating temperatures up to 500° F, and a 100 W switch, the series FS-400 float switch fits a wide range of applications in two standard configurations.

Features:

• Class 1 Division 1/2
• Class 2 Division 1/2
• Class 3
• NEMA 4x
• NSF 169 certified
• Compact size
• Reliability / long switch life
• Shock resistive construction
• Switch rated for 100 W
• Can be used in a wide range of liquids
• Operating temperatures up to 500° F (260° C)
• CSA Explosion Proof (Standard Temp) and General Use (High Temp)
• Vertical mounting
• 316L SS material
• Made in the USA

Compact Size:

• From the top of the mounting threads to the bottom of the stem, the FS-400 is less than 3.5" long, and the float is just over 2" wide

Temperature Ranges:

• The FS-400-S has an operating temperature range of -40° to 368° F (-40° to 187° C), and the FS-400-HT extends that range to -40° to 500° F (-40° to 260° C)

Certifications:

• All FS-400 switches are NSF 169 certified

User Reversible Operation:

• FS-400 float switches come standard with Normally Open operation. The e-clip at the bottom of the stem is easily removed to change to orientation of the float, changing the switch operation to Normally Closed.

Common Applications:

• C I, D1 Hazardous Locations
• Food / Beverage
• Chemical
• Water / Wastewater

Specifications:

Series	FS-400
Model	FS-400-S	FS-400-HT
	Switch action for the FS-400 is reversible.
	Standard is NO, user reversible for NC.
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	106 -108 (# of actuations; depedant on electrical load)
Lead Wires	#22 AWG, Teflon 24 - 99 in. (610 - 2515 mm)
Physical
Material
Stem	316L SS
Float	316L SS
Retainer	316L SS
Mounting	Vertical
Certification
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

Resources:

Datasheet

Install Guide

More Options For You:

APG FS-500 Explosion Proof Stainless Steel Vertical Float Switch