57143

## Specialty Switches GEMS Excels in Switches for Special Requirements 

The products below are examples of the custom engineering GEMS can provide to meet specific application needs. These units are ideal for use in oils and water. 

TH800 SeriesTemperature/ Level Switch 

LS-38760 Series – Cushioned Float 

LS-270 Series – Bracket Mounting Slosh Shield 

U.L. Recognized – File No. E45168 

**¡F** Level monitoring and Cushioned float and Small, lightweight, and extremely stable in nonstatic, temperature switch in a switch for turbulent highly contaminated liquids. Slosh shielding minimizes single unit. Intermediate liquids or excessive effects of turbulence and helps prevent interference by in size; single-setting vibration. Easily grounded. foreign material. Bracket-mounted to any convenient temperature sensor is in Ideal for tank trucks, surface. bottom of stem. construction equipment or mobile applications. 

## Dimensions 

**==> picture [514 x 177] intentionally omitted <==**

**----- Start of picture text -----**<br>
TH800 TemperutarL/eevle Swctih Lo LS-38760 Seeirs LS-270 Seeirs<br>2-1/2 "<br>" (63.5 mm)<br>(21.4 mm)27/32 " ke 1/4(15.9 mm)5/8 "  NPT "  HEX (27.0 mm)1-1/16 " & CUSHION1/4FLOAT NPT (44.5 mm)1-3/4 " ==> 9/32(7.1 mm)2 HOLES "  DIA.<br>(38.1 mm)†1-1/2 " 4-1/4 " (31.8 mm)†1-1/4 " (81 mm)3-3/16 "<br>(108 mm)<br>| 1-3/4 " 1-13/16 " 2-9/16 "<br>(129.4 mm)5-3/32 " 4-1/4 " I (44.5 mm) (81.0 mm)3-3/16 " a| (46.1 mm)FLOAT (65 mm)1-3/8(34.9 mm) † " ± 1/4 " CLOSED SLOSH SHIELD CUT AWAY<br>(108 mm) CUSHION<br>Wire diagram on page B-21 (31.75 mm)1-1/4 "  DIA. - 1-7/8(47.6 mm) "  DIA. 3/16(4.7 mm) "  DIA. _ 2-19/32(66 mm) "  DIA .<br>TeelErmcirtcnioitalan 18 AWG, 2"4 ,.L Pylomcire Lead Weris 18 AWG, 3"6 ,.L Pylomcire Lead Weris 12/8 Ca,elb 6 .tf ,.LconNneeooitcpernne whti wretaprofo<br>OPEN<br>**----- End of picture text -----**<br>


- †L1= Switch actuation level, nominal (based on a liquid specific gravity of 1.0). 

LS-270 Series Note: Installed vertically with cable upward. Caution: Elastomer seals in the sensor and cable are subject to deterioration and aging, and therefore need to be checked regularly. Life expectancy of seals varies with application. 

How To Order – Select Part Number based on specifications required. 

|**Series**|**Material**|**Material**|**Material**|**Min. Liq.**<br>**Sp. Gr.**|**Operating Temperature**|**Pressure**<br>**PSI, Max.**|**Switch1**|**Switch1**|**Part**<br>**Number**|
|---|---|---|---|---|---|---|---|---|---|
||**Stem and**<br>**Mounting**|**Float**|**Other**<br>**Wetted**||||**Level**<br>**SPST**|**Temperature3**||
|TH800<br>Temp./<br>Level|Brass|Buna N|Beryllium<br>Copper,<br>Hysol|.75|Water: to 180°F (82°C)<br>Oil: -40°F to +230°F (-40°C to +110°C)|150|20 VA, N.O.|N.C., open on<br>+150°F ±10°F,incr.|**57143**<br>4|
|||||||||N.O., close on<br>+150°F ±10°F,incr.|**57144**<br>4|
|LS-38760|Aluminum|Buna N|S.S., Hysol|S.S., Hysol<br>.55|-40°F to +180°F (-40°C to +82°C)|150|20 VA, N.C.|—|**38760**<br>4|
|LS-270|316 S.S.|Buna N|Beryllium<br>Copper,<br>Copper<br>Nickel,<br>Polycarb.<br>304 S.S.|.55|-40°F to +140°F (-40°C to +60°C)|150|20 VA, N.O.|—|**43765**<br>4|
||||||||20 VA, N.C.||**43760**<br>4|
||||||||50 VA2, N.O.||**43980**<br>4|
||||||||50 VA2, N.C.||**43982**<br>4|



Notes: 

1. See “Electrical Data” on Page X-5 for more information. 

2. Switches are not U.L. Recognized or CSA Listed. 

3. See Page B-21 for thermostat ratings and wiring diagram. Other temperature settings are available; consult factory. 

_ **A-20** 

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