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T9-817 T9-817 - Thermal circuit breaker with solder terminal for PCB mounting  vertical en IM0015918

Series: T9-817

Circuit Breaker for Equipment thermal vertical, THT terminals for PCB mounting, 1 pole

New_Logo Free Sample Request

7 Variants


  • Thermal circuit breaker
  • 1-pole
  • On request available with elevaled glow-wire ratings
  • THT connectors

Unique Selling Proposition

  • Reset type
  • Cycling trip-free release
  • Compact design
  • Different mounting possibilities


  • Power supplies
  • Uninterruptible power supply
  • Power tools
  • Industrial appliances
  • HVAC
  • Household appliances

Rated Voltage AC

240 VAC 

Rated Voltage DC

48 VDC 

Rated current

4-12 A 

Conditional short circuit capacity Inc

IEC: Inc, PC1, AC 240 V: 2 kA 

UL / CSA: SC, AC 240 V DC 48 / 32 V: 2 kA, C1 

Degree of protection front side


Endurance minimum

IEC: 200% Ir, cos φ 0.6: min. 50 switching cycles 

Endurance typical

4-8 A: 150% Ir, cos φ 0.9:
2500 switching cycles

10-12 A: 150% Ir, cos φ 0.9:
6000 switching cycles

Dielectric Strength

1500 VAC

Insulation Resistance

500 VDC > 1000 MΩ 

Allowable Operation Temp.

5-12 A: -5 °C to 60 °C 

4 A: -5°C to 50 °C 

Soldering Methods



245 °C / 3 sec acc. to IEC 60068-2-20 / Test Ta, method 1

Resistance to Soldering Heat

260 °C / 10 sec acc. to IEC 60068-2-20 / Test Tb, method 1A


approx. 12.5 g 

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  Details about Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.


The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: T9

Approval Logo Certificates Certification Body Description
Approval marks VDE VDE VDE Certificate Number: 40038016
Approval marks cURus UL UL File Number: E71572
Approval marks ccc CCC CCC Certificate Number: 2013010307617688

Product standards

Product standards that are referenced

Organization Design Standard Description
Partners IEC_Certification_Body Designed according to IEC 60934 Circuit-breakers for equipment (CBE)
Partners UL_Certification_Body Designed according to UL 1077 Standard for Supplementary Protectors for Use in Electrical Equipment
Partners CSA_Certification_Body Designed according to CSA C22.2 No. 235 Supplementary Protectors
Partners CCC_Certification_Body Designed according to GB 17701 Circuit-breaker for equipment

Application standards

Application standards where the product can be used

Organization Design Standard Description
Partners IEC_Certification_Body Designed for applications acc. IEC/UL 60950 IEC 60950-1 includes the basic requirements for the safety of information technology equipment.


The product complies with following Guide Lines

Identification Details Initiator Description
Approval marks CE Selbsteklaration SCHURTER AG The CE marking declares that the product complies with the applicable requirements laid down in the harmonisation of Community legislation on its affixing in accordance with EU Regulation 765/2008.
Environment_Safety RoHS_Logo_color_CMYK_tif SCHURTER AG Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
Environment_Safety China_RoHS_e_konform_eps SCHURTER AG The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March 2007. It is similar to the EU directive RoHS.
Environment_Safety REACH SCHURTER AG On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.


Photo Sélection d'images de produits pour afficher une variante spécifique du type


Type Corresponds to a product series and includes various distinct variants. On the type of descriptive data are summarized, eg in the data sheet

Numéro de commande

Numéro de commande Unique part number for placing an order

Touche de configuration

Touche de configuration The configuration key of a product consists of the composite key values, which describe the different kinds of attribut distinction.


Commentaires Les dessins CAO ne sont fournis qu'à des fins de modélisation.

Model Description

Model Description Description abrégée du modèle CAO


IGS Aussi connu sous le nom d'IGES (abréviation: Initial Graphics Exchange Specification). Il s'agit d'un format d'échange de données 3D-CAD largement utilisé et indépendant du programme.


Step Également mentionné en tant que STEP (standard pour l'échange de données sur les modèles de produits). Format d'échange commun indépendant du programme pour les données CAD 3D normalisées selon la norme ISO.


Parasolid Le noyau de modélisation Parasolid est un système CAD 3D. Il est développé par une business unit distincte au sein de Unigraphics Solutions (UGS), aujourd'hui Siemens PLM Software.


DXF (Drawing Interchange Format) est un format de fichier spécifié par Autodesk pour l'échange de données CAO, et a été développé pour le programme 2D-CAD AutoCAD. Un fichier DXF décrit un modèle CAD comme du texte brut au format ASCII.

T9-817 T9-817
3-101-229 3-101-231 3-101-227 3-101-232 3-101-226 3-101-230 3-101-228
T9-817 T9-817

Dimension [mm]

Approval Rated current Rated Voltage AC Rated Voltage DC
curus UL 1077 4 - 12 A 240 V 48 V
curus CSA 22.2 235 4 - 12 A 240 V 48 V
VDE IEC 60934 4 - 12 A 240 V 48 V
ccc_s_Tabelle GB 17701 4 - 12 A 240 V 48 V

Typical internal resistance per pole

Rated Current [A] Internal Resistance [mΩ]
4 26.3
5 24.1
6 19.0
7 18.0
8 14.8
10 13.0
12 12.7


Time in Seconds
Multiple of Rated Current In

Reference Temperature +23°

Effect of ambient temperature

Ambient Temperature [°C] Correction factor
-5 0,85
+10 0,95
+23 1,00
+40 1,08
+60 1,21

Short Table of Variants T9-817 Open complete table T9-817

connection type Rated current Order Number

Variant Details

The link on the respective order number refers to a separat tab with specific detailed information .
This assures better readable information of the selected product.
Change to the tab All Products in order to show details of another variant.
This approach offers to use generic alias link to the product details:
www.schurter.xx/art/ [Order Number]
where the following variables are used:
- xx is the country specific domain
- [Order Number]

A=Most Popular

A=Most Popular

Most popular products have the following customer benefits:
- previously ordered by multiple customers
- generally in stock for immediate delivery
- early adoption or mature life cycle
Contact us for availability on other product variants, lead-times vary:
Contact-Form Availability for all products can be searched real-time. Enter part number and required quantity:
Stock Check SCHURTER

Free Sample

Free Sample

Please ask for free sample in order to check if the products meets your requirement for your application. Send your delivery adress and your specific requirements.

Distributor Stock Check

Distributor Stock Check

The following links refers to the inquiry form for distributors stock information of the selected products. It allows checking for the available amount and optionally to place an order at your selected partner.
The stock availability at the distributors may also be called up separately and the desired product manually entered.
Stock Check Distributor

Solder, THT 4 A 3-101-228 ...
Solder, THT 5 A 3-101-227 ...
Solder, THT 6 A 3-101-226 ...
Solder, THT 7 A 3-101-232 ...
Solder, THT 8 A 3-101-231 ...
Solder, THT 10 A 3-101-230 ...
Solder, THT 12 A 3-101-229 ...
Date Sous-catégorie Langue Intitulé Télécharger
Livre blanc Anglais (English) White Paper Selecting rated currents for CBE
PCN Anglais (English) T9 PCN Change of Label
PCS Anglais (English) T9-817C-4 … 8 PCS
PCS Anglais (English) T9-817C-10 PCS
PCS Anglais (English) T9-817C-12 PCS

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