Ma n u a l Re s e t
Co n s t ru c t io n
Te rm in a ls Ava ila b le
De s c rip t io n
Quick connects are available in siver
flash or plain brass.
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, auto-
matic 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.
There are two basic manual reset
constructions:
o
o
o
• 1/4”Quick connects 0 , 30 , 45 ,
o
90 terminals are male spade type
1) Manual Override – contracts can
be closed at any time after
device has actuated by depress-
ing reset button.
.250” x .032” thick.
• Strap terminals for electric heat-
ing
2) Trip-Free – contacts will remain
open after device has actuated
until bimetal disc resets, even if
reset button is depressed.
o
o
• Brass screw terminals 0 , 45
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.
Ag e n c y Re c o g n it io n
All automatic series are available as
limit switches (open on tempera-
ture rise) or fdan switches (close
on temperature rise). Switch action
is SPST, SPDT, or DPST with auto-
matice reset types. Manual reset is
available as a limit switch in SPST
construction only.
Klixon 206 Series Thermostats are
recognized by UL and CSA. Please
consult Marketing for international
approvals.
Te m p e ra t u rre S e t t in g s ,
To le ra n c e s a n d No m in a l
Diffe re n t ia ls
UL Electrical Group
File No. E9977
The ranges of temperature settings,
tolerances, and nominal differen-
tials shown below are available.
Differential is the difference
U.S. Guide No. XAPX2
Canada Guide NO. XAPX8
HC&R Group
File NO. MP986
U.S. Guide No. MBPR2
Canada Guide No. MBRR8
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 appli-
cations 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.
between opening and closing tem-
o
perature in F. For example, a
o
thermostat which opens at 180 F
o
o
and closes at 140 F has a 40
differential. (Lowest unit prices are
achieved by selecting differentials
For further information write or call:
Texas Instruments Incorporated
o
o
in the 30 F to 59 F range). For
temperature settings and differen-
tials other than those shown,
please consult Marketing.
Commercial Sensors & Controls
Thermal Controls Marketing
34 Forest Street, MS 23-10
Attleboro, MA 02703-0964
Phone: (508) 236-3192
S t a n d a rd To le ra n c e s
(508) 236-1894
Mo u n t in g s a n d Te rm in a ls
Fax; (508) 236-2349
or visit our website @: www.tisensors.com
Highest
Temperature
Setting
Standard
Tolerances
Open Close
A variety of terminals and mounting
flanges are available to meet instal-
lation requirements of most
applications.
Nominal
Differential
o
o
o
F
F
F
Am b ie n t Te m p e ra t u re
10 to 14*
15 to 29
30 to 59
60 to 150
-10 to 80
81 to 200
201 to 250
251 to 300
±5
±6
±6
±7
±5
±6
±7
±8
Flanges can be used for surface or
thru-wall mountings; or, thermostats
can be supplied without flanges for
well or cavity-type mountings.
o
o
o
-40 F to +350 F
o
-40 C to +177 C
10 to 29*
30 to 39
40 to 59
60 to 150
±5
±5
±5
±6
±5
±6
±7
±8
Flange rotations are specified by
looking down on the terminals and
o
o
rotating the flange 30 , 45 , or
90 CW or CCW.
±5
±5
±6
±7
±6
±7
±8
±9
20 to 29
30 to 39
40 to 59
60 to 150
o
Fla n g e s Ava ila b le
±6
±7
±8
±8
±10
±11
30 to 39
40 to 59
60 to 150
• Small oval bottom flange
• Integral surface flange
• No flange cup
• 3/4” deep cup
• Special oval bottom flange
301 to 350
**
±7
±8
±9
±10
±12
±13
30 to 39
40 to 59
60 to 150
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 ther-
mostat or damage the terminals or
the lead wire insulation.
•
Available in SPST construction only.
o
SPDT thermostats must have 15 minimum differentials.
o
**20413 series – up to 300
o
20600 series – up to 350
o
20650 / 54 series – up to 300 ; minimum
o
differential 30 .
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