TEXAS INSTRUMENTS 20413, 20600, 20650 Technical data

I NDUSTRIAL SENSORS &CONTROLS

20413, 20600, 20650 SERIES

Snap-Action
Automatic and Manual reset

Fixed Temperature Thermostats

Key Features

• Klixon snap-action bimetal disc assures positive
make/break action.

• Available with surface, thru-wall,well or cavity-type mountings

• Temperature setting factory calibrated to your
specifications

• High capacity – up to 30 amps at 120, 240, and 277 VAC
resistive.

• Extra high capacity – up to 40 amps at 120 and 240 VAC
resistive

Automatic reset Standard Constructions

Manual Reset Standard Constructions

Single-Pole, Double-Throw

20600D

Small Oval Top Flange

Double-Pole, Single-Throw

20650

Small Oval Top Flange

Single-Pole, Single-Throw

20601 / 04 / 06 F or L

Small Oval Top Flange

Single-Pole, Single-Throw

20603 / 05 F or L

Small Oval Top Flange

Manual Override

20611 / 12 / 16L

Special Oval Bottom Flange

Manual Override

20650

Integral Surface Flange

Trip Free

20413

Small Oval Top Flange

Trip Free

20615 / 19L

Small Oval Top Flange

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Description

Klixon® thermostats have been in
production for over 50 years. The
20413, 20600, and 20650 series
thermostats are especially designed
ed for applications where space,
capacity and ease of assembly are
important production factors. They
are fixed-setting, snap-acting, auto­matic or manual reset temperature
controls that are ideal for such
applications as: air conditioners,
heating and ventilating equipment,
vending machines, dryers, unit
heaters, tabletop appliances, etc.

All automatic series are available as
limit switches (open on tempera­ture rise) or fdan switches (close
on temperature rise). Switch action
is SPST, SPDT, or DPST with auto­matice reset types. Manual reset is
available as a limit switch in SPST
construction only.

The switch mechanism is actuated
by the Klixon snap-action, bimetal
disc which may be enclosed or
exposed. Enclosed disc devices are
particularly recommended for appli­cations in which dust and lint are
prevalent in the environment.
Exposed disc types are used in
applications where a faster thermal
response to radiant heat is needed.
Contact parts are enclosed for both
disc types for protection against
contamination.

Mountings and Terminals

A variety of terminals and mounting
flanges are available to meet instal­lation requirements of most
applications.

Flanges can be used for surface or
thru-wall mountings; or, thermostats
can be supplied without flanges for
well or cavity-type mountings.
Flange rotations are specified by
looking down on the terminals and
rotating the flange 30o, 45o, or
90oCW or CCW.

Flanges Available

• Small oval bottom flange

• Integral surface flange

• No flange cup

• 3/4” deep cup

• Special oval bottom flange
Electrical connections to the ther-

mostat must be tight; otherwise,
resistance in a loose connection may
cause sufficient temperature rise to
affect the performance of the ther­mostat or damage the terminals or
the lead wire insulation.

Terminals Available

Quick connects are available in siver
flash or plain brass.

• 1/4”Quick connects 0o, 30o, 45o,
90oterminals are male spade type
.250” x .032” thick.

• Strap terminals for electric heat­ing

• Brass screw terminals 0o, 45

o

When screw terminals are specified,
washer head screws are supplied
unassembled. Assembled washer
head screws are available at extra
cost. Standard screw terminals have
8-32 NC-2 threads.

Temperaturre Settings,
Tolerances and Nominal
Differentials

Standard Tolerances

The ranges of temperature settings,
tolerances, and nominal differen­tials shown below are available.
Differential is the difference
between opening and closing tem­perature in oF. For example, a
thermostat which opens at 180oF
and closes at 140oF has a 40

o

differential. (Lowest unit prices are
achieved by selecting differentials
in the 30oF to 59oF range). For
temperature settings and differen­tials other than those shown,
please consult Marketing.

Manual Reset
Construction

There are two basic manual reset
constructions:

1) Manual Override – contracts can
be closed at any time after
device has actuated by depress­ing reset button.

2) Trip-Free – contacts will remain
open after device has actuated
until bimetal disc resets, even if
reset button is depressed.

Agency Recognition

Klixon 206 Series Thermostats are
recognized by UL and CSA. Please
consult Marketing for international
approvals.

UL Electrical Group

File No. E9977
U.S. Guide No. XAPX2
Canada Guide NO. XAPX8
HC&R Group
File NO. MP986
U.S. Guide No. MBPR2
Canada Guide No. MBRR8

For further information write or call:
Texas Instruments Incorporated

Commercial Sensors & Controls
Thermal Controls Marketing

34 Forest Street, MS 23-10
Attleboro, MA 02703-0964
Phone: [phone]

[phone]
Fax; [phone]
or visit our website @: www.tisensors.com

Highest

Temperature

Setting

o

F

Nominal

Differential

o

F

Standard

Tolerances

Open Close

o

F

10 to 14*
15 to 29
30 to 59
60 to 150

10 to 29*
30 to 39
40 to 59
60 to 150

20 to 29
30 to 39
40 to 59
60 to 150

30 to 39
40 to 59
60 to 150

30 to 39
40 to 59
60 to 150

-10 to 80

81 to 200

201 to 250

251 to 300

301 to 350

**

±5
±6
±6
±7

±5
±5
±5
±6

±5
±5
±6
±7

±6
±7
±8

±7
±8
±9

±5
±6
±7
±8

±5
±6
±7
±8

±6
±7
±8
±9

±8
±10
±11

±10
±12
±13

• Available in SPST construction only.
SPDT thermostats must have 15ominimum differentials.

**20413 series – up to 300

o

20600 series – up to 350

o

20650 / 54 series – up to 300o; minimum
differential 30o.

Ambient Temperature

-40oF to +350oF

-40oC to +177oC