Name: Circuit breaker 10kA 3-pole C 3A
Brand: Siemens
SKU: 9730342
Price: 95 CHF
Availability: InStock

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Siemens

Area: Sentron  
Series: 5SY4  
Number of Poles: 3  
Rated Current: 3 A  
Tripping Characteristic: Type C  
AC Rated Voltage: 400 V  
Breaking Capacity: 10 kA  
Length: 89.8 mm  
Width: 52.8 mm  
Depth: 76 mm  

Automatic circuit breaker, Series 5SY4, 10 kA, B, C, and D. Siemens miniature circuit breakers offer the highest quality and reliability. With the excellent technical features of the devices, you are always on the safe side. Additionally, you benefit from innovative mounting options that allow for quick and easy installation. Siemens miniature circuit breakers can be combined as needed with a variety of additional components, such as control current switches, fault signal contacts, shunt releases, undervoltage releases, remote control mechanisms, or with RCD units for the protection of people and against fire. 

Features and Benefits: Automatic tripping, 1-, 2-, 3-, and 4-pole, DIN rail mounting. Suitable for use in industry and in functional and residential construction sectors. Supports quick and convenient removal from the assembly. 

Standards: IEC 60898 – Relates to low-voltage circuit breakers for use in households and similar installations. Traditionally known in the UK as miniature circuit breakers (MCBs). 

Q: What are the differences in the tripping characteristics B, C, and D?  
A: Characteristic B: Tripping: 3 to 5 times the rated current. Applications: Protection of generators, people, very long cables. Characteristic C: Tripping: 5 to 10 times the rated current. Applications: Protection of circuits and general applications. Characteristic D: Tripping: 10 to 14 times the rated current. Applications: Protection of high voltage circuits, welders, transformers, and motors.

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