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Matsuo Thermostat Disk type thermostat
(Fixed-temperature bimetal type protector thermostat)
The disk type thermostat is the ultimate protector, which can cut off a heavy current without fail at a low cost. We believe that there will be no substitute for this thermostat for the time being.
On the other hand, the differential is large in the case of the disk type, and the preset temperature will change if the operation is repeated frequently.
As a result, it cannot be used as a controller.
If you need a long life and a small differential for your controller application, please select our TPS thermostat.
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Disk type thermostat 03P type Disk type thermostat 03C type Disk type thermostat 23 type Disk type thermostat 05 type Disk type thermostat 15 type
Auto reset type Manual reset type
03E type 52 type 23E type 05E type 15 type
Phenol body
(up to 150°C)
Ceramic body
(up to 230°C)
Phenol body
(up to 150°C)
Phenol body
(up to 150°C)
Ceramic body
(up to 230°C)
12.1mmx16.2Ø
 12.1mmx16.2Ø 27.5mmx16.2Ø 16mmx16Ø 16mmx16Ø
Standard disk type thermostat with automatic reset function.

Body thickness is 12.1mm.		 Standard type with manual reset function.
It has a safety structure to prevent the contact from being reset unless a button is pressed when the temperature becomes as low as room temperature.

* Flat terminal only.
*Operation type B is
not available.		 Manual reset type.

Sophisticated design for reset button section.

Once the contact trips, it will not return to the original position unless a button is pressed manually.

*Operation type B is not available.
Specifications
Item
Method
Mechanical configuration
Bimetal non-current-carrying type, single pole throw type, dust-proof type
Contact method
A : Turns OFF when the temperature goes up
B : Turns ON when the temperature goes up
Temperature setting range
0°C ~100°C
100°C ~150°C
160°C ~ 230°C
Temperature setting tolerance
± 3°C ~ ± 5°C
± 4°C ~ ± 6°C
± 6°C ~ ± 10°C
Differential
10~20°C
15~30°C
20~40°C
Condition of temperature measurement
When there is no load (single current), the temperature change speed shall be 1°C/1 minute
Insulation resistance
1,000M Ohm or higher by DC500V meg-ohm-meter
Insulation tolerance
AC1,500V 1 for minute or AC1,800V 1 for second
Contact resistance
30m Ohm or less
Overseas standard numbers and certification numbers.
(Products certified to UL, CSA, VDE, etc. have different model numbers. Please contact us for details.)
Item
 UL CSA VDE
03EN
03EP
Phenol
(Registered number)
E43274
(Registered number)
LR67165
LR67166
(Registered number)
100896
52N
52P
Ceramic

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