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參數(shù)資料
| 型號： | 20650 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Snap-Action Automatic and Manual reset Fixed Temperature Thermostats |
| 中文描述： | 速動自動和手動復位固定溫度恒溫器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 186K |
| 代理商： | 20650 |
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, 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.
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.
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.
Mountings and Terminals
A variety of terminals and mounting
flanges are available to meet instal-
lation 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 ther-
mostat 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 heat-
ing
Brass screw terminals 0o, 45o
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 S ettings,
Tolerances and Nominal
Differentials
S tandard Tolerances
The ranges of temperature settings,
tolerances, and nominal differen-
tials shown below are available.
Differential is the difference
between opening and closing tem-
perature in oF. For example, a
thermostat which opens at 180oF
and closes at 140oF has a 40o
differential. (Lowest unit prices are
achieved by selecting differentials
in the 30oF to 59oF range). For
temperature settings and differen-
tials 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 depress-
ing reset button.
2) Trip-Free – contacts will remain
open after device has actuated
until bimetal disc resets, even if
reset button is depressed.
A gency 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:(508) 236-3192
(508) 236-1894
Fax; (508) 236-2349
or visit our website @: www.tisensors.com
Highest
Temperature
Setting
oF
Nominal
Differential
oF
Standard
Tolerances
Open Close
oF
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 15omnimumdifferentials.
**20413 series – up to 300o
20600 series – up to 350o
20650 / 54 series – up to 300o; mnimum
differential 30o.
A mbient Temperature
-40oF to +350oF
-40oC to +177oC
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