Series L10 FLOTECT® Mini-Size Level Switch

Easy In-wall or External Installation, Specific Gravities as Low as 0.5

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The Series L10 Flotect® Mini-Size Float Switches combine low cost with top quality materials and construction for great value and years of reliable liquid level control. Wide media compatibility is assured with a choice of brass or stainless steel bodies and external tees; polypropylene or SS floats. Two basic configurations are offered; with 1" NPT male threads for direct side mounting through a half coupling or with factory installed tee for external mounting.

All Series L10 controls feature a hermetically sealed, magnetically actuated SPST reed switch which is encapsulated in a polypropylene housing. Units are quickly and easily adjusted for your choice of normally open or normally closed operation thanks to a unique design. Just loosen two screws and instantly slide the switch assembly to the action required. N.O. and N.C. markings are clearly visible. This feature also speeds switch replacement if damage occurs.

Three types of floats are offered to accommodate liquids with specific gravities as low as 0.5; maximum pressures to 2000 psig (137.8 bar). Wire leads are 22 AWG X 18" (460 mm) and exit the switch assembly through 1/8" male NPT threads. These controls are UL recognized and CSA listed.

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Product Applications

Direct pump control for maintaining level
Level control
Automatic tank dump operations
Valve control

Starting at $167.45

Ordering

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303 SS Body

Brass Body

Grouped product items
Model	Description	Availability*	Price
L10-B-3-A	Mini-size level switch, 304 SS cylindrical float, side wall mounting, max. pressure 200 psig (13.8 bar), min. S.G. 0.5.	1-3 days*	$219.45
L10-B-3-B	Mini-size level switch, polypropylene spherical float, brass tee, max. pressure 250 psig (17.2 bar), min. S.G. 0.9.	1-3 days*	$229.85
L10-B-3-C	Mini-size level switch, 304 SS spherical float, side wall mounting, max. pressure 350 psig (24.1 bar), min. S.G. 0.7.	1-2 Weeks*	$229.85
L10-B-3-H	Mini-size level switch, 304 SS spherical float, brass tee, max. pressure 250 psig (17.2 bar), min. S.G. 0.7.	1-2 Weeks*	$291.20
L10-B-3-O	Mini-size level switch, polypropylene spherical float, side wall mounting, max. pressure 1000 psig (69 bar), min. S.G. 0.9.	1-2 Weeks*	$167.45
L10-S-3-A	Mini-size level switch, 304 SS cylindrical float, side wall mounting, max. pressure 200 psig (13.8 bar), min. S.G. 0.5.	1-3 days*	$303.70
L10-S-3-C	Mini-size level switch, 304 SS spherical float, side wall mounting, max. pressure 350 psig (24.1 bar), min. S.G. 0.7.	1-3 days*	$318.25
L10-S-3-L	Mini-size level switch, 304 SS spherical float, 304 SS tee, max. pressure 350 psig (24.1 bar), min. S.G. 0.7.	1-2 Weeks*	$456.55
L10-S-3-O	Mini-size level switch, polypropylene spherical float, side wall mounting, max. pressure 2000 psig (137.8 bar), min. S.G. 0.9.	1-2 Weeks*	$251.70
L10-S-3-S	Mini-size level switch, polypropylene spherical float, 304 SS tee, max. pressure 2000 psig (138 bar), min. S.G. 0.9.	1-2 Weeks*	$395.20

Specifications

Service:: Compatible liquids.
Wetted Materials:: Float: Solid polypropylene or 304 SS; Body: Brass or 303 SS; Magnet: Ceramic; External float chamber (tee): None, brass, or 304 SS; Other: Lever arm, pin, spring, etc.: 301 SS, 302 SS, 316 SS.
Temperature Limit:: 200°F (93°C).
Pressure Limit:: See chart on Catalog page.
Enclosure Rating:: Weatherproof, meets NEMA 4X (IP66).
Switch Type:: SPST hermetically sealed reed switch. Field adjustable for NO or NC.
Electrical Rating:: 1.5 A @ 24 VDC resistive, 0.001 A @ 200 VDC resistive, 0.5 A @ 120 VAC.
Electrical Connection:: 18 AWG, 19" (483 mm) long, PVC jacket. Rated 221°F (105°C).
Process Connection:: 1" male NPT standard on models without external float chamber. Change 3 in model number to 4 for 1-1/4", to 5 for 1-1/2", or 6 for 2". 1" female NPT on models with external float chamber.
Mounting Orientation:: Horizontal with index arrow pointing down.
Specific Gravity:: See chart on Catalog page.
Switch Enclosure:: Nylon.
Weight:: Approximately 10 oz (0.283 kg) without external float chamber, 2.32 lb (1.05 kg) with external float chamber.
Compliance:: CE, CSA, UR.

Features

Long operating life with hermetically sealed, magnetically-actuated SPST reed switch, which is encapsulated in a polypropylene housing
Easily toggle between normally open (NO) or normally closed (NC) with no change in the electrical connection using simple field switch adjustment
Quick and low cost maintenance from easily replaceable switch without affecting installation
Great value and years of reliable liquid level control with top quality materials at a low cost

Support Library

Product Literature

Manuals

Instruction Manual

Catalog Pages

Series L10 Catalog Page

Approvals

Drawings

Model Chart

EXAMPLE	L10	B	3	O	ST	Series L10-B-3-O-ST Flotect® Mini-Size Level Switch, brass upper housing, 1" male NPT, side wall mount, spherical polypropylene float, with stainless steel tag.
SERIES	L10					Flotect® Mini-Size Level Switch
UPPER HOUSING MATERIAL		B S				Brass Stainless Steel
PROCESS CONNECTION			3 4 5 6 7 8 9 10			1" NPT 1-1/4" NPT 1-1/2" NPT 2" NPT 1" BSPT 1-1/4" BSPT 1-1/2" BSPT 2" BSPT
INSTALLATION/ FLOAT				O A C B H L S		Side Wall Mount/Polypropylene Spherical Float Side Wall Mount/304SS Cylindrical Float Side Wall Mount/304SS Spherical Float Brass External Float Chamber/Polypropylene Spherical Float Brass External Float Chamber/304SS Spherical Float 304SS External Float Chamber/304SS Spherical Float 304SS External Float Chamber/Polypropylene Spherical Float
OPTIONS					ST	Stainless Steel Tag