Datasheet

ManualsBrandsGems ManualsLevel SensorsLevel Switch NC / NO 20VA 250 VAC

A-2

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LEVEL SWITCHES – SINGLE POINT

2-3/32˝

(53.2 mm)

1-9/16˝

(39.7 mm)

1˝

(25.4 mm)

1/8˝ NPT

3/8˝ – 16

1/2˝ HEX

1˝ DIA

(25.4 mm)

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17/32˝

(13.4 mm)

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61-˝8/3

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˝8/1G

PSB82-˝8/1

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.14˝

(3.6mm)

9/16˝

HEX

.315˝ REF.

(8.0mm)

.14˝

(2.6mm)

1/2˝

HEX

.390˝ REF.

(9.9mm)

.20˝

(5.1mm)

5/8˝

HEX

.475˝ REF.

(12mm)

Small Size – Engineered Plastics

LS-3 Series – Offers High Reliability, Compact Size

and Low Costs in NPT, Straight and Metric Threads

Ideal for shallow tanks or restricted spaces, or for any low-cost, high volume use.

LS-3 Series are available in FDA compliant materials, consult GEMS for details.

Polysulfone Float

FDA

For water based liquids, with

limited use in oils and chemicals.

Polypropylene Float

(Hollow)

Features a low speciﬁc gravity

ﬂoat offering broad chemical

compatibility.

Polypropylene Float

(Solid)

With Polypropylene stem and

ﬂoat, switch offers broad chemical

compatibility.

Buna N Float

Ideal for oils and fuels.

ALL-PVDF

FDA

Wetted materials of

construction comply with

FDA food contact regulations.

Stem and ﬂoat of corrosion-

resistant PVDF for ultra-pure

applications.

Dimensions – 1˝ Float Models only

†

= Actuation Level

(see chart below)

Common Speciﬁcations

Approvals: U.L. Recognized – File No. E45168; CSA Listed – File No. 30200. CE Declaration Available Upon Request.

NSF materials are Standard 61 compliant. For NSF approved level switches contact Gems.

Switch SPST: 20 VA, 120-240 VAC. Units are shipped N.O. unless otherwise speciﬁed. Selectable, N.O. or N.C., by inverting ﬂoat on unit stem.

New 3/4˝ Polypropylene

Float

See next page for details.

Summary of content (3 pages)

PAGE 1
Small Size – Engineered Plastics LS-3 Series – Offers High Reliability, Compact Size and Low Costs in NPT, Straight and Metric Threads Ideal for shallow tanks or restricted spaces, or for any low-cost, high volume use. LS-3 Series are available in FDA compliant materials, consult GEMS for details. LEVEL SWITCHES – SINGLE POINT Polysulfone Float Polypropylene Float (Hollow) Polypropylene Float (Solid) For water based liquids, with limited use in oils and chemicals.
PAGE 2
FLOAT TYPE Stem and Mounting Material Float Material Float Dia. Actuation Level1 Polysulfone Polysulfone 1˝ 3/4˝ (19.0 mm) Polypropylene2 Polypropylene (Hollow) Polypropylene3 NSF Std. C-2 (Kynar float retaining clip) Polypropylene3 (Hollow) NSF Std. C-2 Polypropylene2 Nylon PVDF Polypropylene (Solid) 1˝ 1˝ 13/16˝ (20.6 mm) .75 .60 .
PAGE 3
Unique Features Make These LS-3 Models Special These small switches feature unique configurations for special applications. Part No. 142545 With Slosh Shield LEVEL SWITCHES – SINGLE POINT Part No. 46999 Bottle Level Part No. 76707 For Low Level For external mounting on tanks too small to accommodate internally mounted switches. (See note below) For detecting levels as low as 5/8˝ from tank bottom. Use in water, some oils and chemicals.