Thermal (T- and TA-Line)
www.schurter.com/PG17_18_19
Circuit Breaker for Equipment thermal, THT terminals for PCB mounting, 1 pole
T9-818
Description
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Thermal circuit breaker
1-pole
Reset type
Cycling trip-free release
THT connectors
IEC 60934
UL 1077
CSA C22.2 235
GB 17701
Applications
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Standards
Designed for standard and medical applications
Power supplies
Uninterruptible power supply
Power tools
Industrial appliances
HVAC
Household appliances
Weblinks
pdf-datasheet, html-datasheet, General Product Information, Approvals,
CE declaration of conformity, RoHS, CHINA-RoHS, REACH, e-Shop,
SCHURTER-Stock-Check, Distributor-Stock-Check, Detailed request for
product
Technical Data
Rated Voltage AC
Rated Voltage DC
Rated current
Conditional short circuit ca-
pacity
␣
240 V, 50 / 60 Hz
48 / 32 V, see approvals
3-15 A, see approbations
IEC: Inc, PC1, AC 240V: 2kA
Ambient temperature
␣
␣
Soldering Methods
Solderability
Resistance to Soldering Heat
Weight
3 A: -5 °C to 60 °C
4 A: -5°C to 50 °C
5-15 A: -5 °C to 60 °C
Wave
245 °C / 3 sec acc. to IEC 60068-2-
20 / Test Ta, method 1
260 °C / 10 sec acc. to IEC 60068-2-
20 / Test Tb, method 1A
approx. 12.5 g
UL / CSA: SC, AC 240 V DC 48 / 32 V:
2 kA, C1
Degree of protection front side IP 40
Endurance minimum
IEC: 200% Ir, cos
φ
0.6: min. 50 swit-
ching cycles
Endurance typical
3-8 A: 150% Ir, cos
φ
0.9:
2500 switching cycles
␣
10-15 A: 150% Ir, cos
φ
0.9:
6000 switching cycles
Dielectric Strength
1500 VAC
Insulation resistance
500 VDC > 1000 MΩ
Dimension
5 10
47.3
1.25
4.65
ø 2
± 0.05
ø 2.6
ø 2.6
ø 2
± 0.05
ø 9.5
ø 7.8
3.35
8.35
7.8
4.1
8.35
45.85
4.65
19
3.35
45.85
Drilling diagram
Circuit Breakers
1
Thermal (T- and TA-Line)
www.schurter.com/PG17_18_19
T9-818
Time-Current-Curves
[min]
[sec]
10'000
[min]
[sec]
10'000
T9
60
30
20
10
5
3
1'000
T9
5 A -16 A (TC-1)
4A
(TC-2)
60
30
20
10
5
3
1'000
3 A
(TC-2)
Time in Seconds
1
Time in Seconds
100
100
1
10
10
1
1
1.05
1.05
1.35
1.45
Multiple of Rated Current In
Reference Temperature +23°
Multiple of Rated Current In
Reference Temperature +23°
Effect of ambient temperature
The units are calibrated for an ambient temperature of +23°C. To determine the rated cur-
rent for a lower or higher ambient temperature, use a correction factor (typical value) from
the table below:
Ambient temperature [°C]
-5
+10
+23
+40
+60
Correction factor
0,85
0,95
1,00
1,08
1,21
Example: Rated current = 10 A; Environmental temperature = 60 °C; --> Correction factor
= 1.21; Resulting current = 12.1 A --> Fount to next higher rated current: 13 A
All Variants
Mounting
Rated current
Order Number
█
█
█
█
█
█
█
█
█
█
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
Solder THT
█
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Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-
Check/Stock-Check-SCHURTER
Circuit Breakers
1.5
0.1
1
2
3
4
5
6
7
8
10
0.1
1
2
3
4
5
6
7
8
10
3
T9-818
Packaging Unit
100 Pcs
Thermal (T- and TA-Line)
www.schurter.com/PG17_18_19
4
Circuit Breakers
The specifications, descriptions and illustrations indicated in this document are based on current
information. All content is subject to modifications and amendments. Information furnished is believed
to be accurate and reliable. However, users should independently evaluate the suitability and test each
product selected for their own applications.
12.08.2014
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