SIEMENS 5SY4340-8 Miniature Circuit Breaker

( Brand: Siemens ), ( Operation Method: On/off ), ( Current Type: Ac ), ( Maximum Amperage: 40 A ), ( Item Height: 1.000 ), ( Manufacturer Part Number: 5SY4340-8 ), ( Item Length: 12.000 ), ( Application: Commercial )

Review SIEMENS New Series Miniature Circuit Breaker

The Siemens 5SY4340-8 Miniature Circuit Breaker is a versatile and reliable electrical safety device designed for use in various low-voltage applications. This breaker is a part of Siemens' comprehensive range of low-voltage circuit breakers, known for their robustness, efficiency, and ease of installation.

The 5SY4340-8 Miniature Circuit Breaker is a type B, TN-S system breaker, which makes it suitable for use in single-phase electrical systems with a rated voltage of 230V and a current rating of 32A. It is compact in size, with dimensions of only 72mm in length, 35mm in width, and 46mm in height, making it an excellent choice for confined spaces or applications where space is at a premium.

This breaker features a tripping characteristic type B, which ensures that it provides both overload and short-circuit protection. It offers fast and reliable tripping action, which helps to prevent electrical overloads and minimize the risk of electrical fires. The breaker is also designed to handle short-term overloads of up to 100% of its rated current, providing added flexibility and peace of mind.

The 5SY4340-8 Miniature Circuit Breaker is equipped with a high-quality, contacts made of silver-plated copper, ensuring excellent conductivity and long-lasting performance. The contacts are also designed to be self-cleaning, which helps to minimize the risk of arcing and contact welding, further enhancing the breaker's reliability and longevity.

The breaker is easy to install, with a quick-mounting system that allows for quick and secure attachment to the mounting rail. It also features a clear and easily accessible trip switch, which makes it easy to test and reset the breaker. The breaker's front cover is made of impact-resistant plastic, providing added protection against accidental damage.

The Siemens 5SY4340-8 Miniature Circuit Breaker is a high-quality and reliable electrical safety device that is suitable for a wide range of low-voltage applications. Its compact size, fast and reliable tripping action, and easy installation make it an excellent choice for electrical installations in confined spaces or where space and time are critical. With its robust design, excellent conductivity, and self-cleaning contacts, this breaker is sure to provide many years of reliable and efficient electrical protection.

Siemens 5SY4340-8 Miniature Circuit Breaker: Pros and Cons

The Siemens 5SY4340-8 is a miniature circuit breaker (MCB) designed for protecting electrical installations against overloads and short circuits. This device is widely used due to its reliability, safety features, and other advantages. In this analysis, we will discuss the pros and cons of using the Siemens 5SY4340-8 MCB in your electrical projects.

1. High Breaking Capacity: This MCB can handle a high breaking capacity, which makes it suitable for a wide range of applications. It can protect circuits with a current up to 40A at 250V.

2. Safety Features: The Siemens 5SY4340-8 MCB includes several safety features, such as automatic tripping, overload protection, and short circuit protection. These features help prevent electrical fires and other hazards.

3. Robust Construction: The MCB is built with a robust and durable design, making it resistant to temperature and humidity. This ensures reliable performance even in harsh environments.

4. Easy Installation: The Siemens 5SY4340-8 MCB is easy to install and can be fitted into standard DIN rail mounting systems. This saves time and effort during installation.

5. Energy Efficiency: The MCB is designed to reduce energy consumption by interrupting the current flow when there is an overload or short circuit. This helps save energy and reduce your electricity bill.

1. Cost: The Siemens 5SY4340-8 MCB is more expensive than some other brands and models. This higher cost may make it less accessible to some users.

2. Size: The MCB is larger than some other miniature circuit breakers on the market. This may require more space in the electrical panel or distribution board.

3. Complexity: The MCB has several features and functions, which may make it more complex to install and operate compared to simpler models.

The Siemens 5SY4340-8 Miniature Circuit Breaker is a reliable and safe option for protecting electrical installations against overloads and short circuits. Its high breaking capacity, robust construction, and safety features make it a popular choice for many applications. However, its higher cost and larger size may be a disadvantage for some users. Ultimately, the decision to use the Siemens 5SY4340-8 MCB depends on your specific requirements, budget, and preferences.

If you require a reliable and safe MCB for your electrical project, the Siemens 5SY4340-8 is an excellent choice. Its high breaking capacity, robust construction, and safety features make it a worthwhile investment, despite its higher cost and larger size. However, if you're on a tight budget or have limited space, you may want to consider alternative options with similar features but lower costs and smaller sizes.

Details:

These are very expensive at the dealer but you can buy mine a bargain and have it shipped to your door for free. New Siemens miniature circuit breaker.

part #: 5sy43408 prices

• $66.34-$125.00

specifications breakercoon:

• brand: Siemens
• operation method: On/off
• current type: Ac
• maximum amperage: 40 A
• item height: 1.000
• manufacturer part number: 5SY4340-8
• item length: 12.000
• application: Commercial

general breakercoon:

• Electrical Supplies > Electrical Panels, Boxes Circuit Breakers > Circuit Breakers
• condition: New

shipping breakercoon:

• class: Standard, Expedited
• transit: 5-13 Days
• service: USPS Ground Advantage, USPS Priority Mail
• carrier: USPS
• type: Calculated
• cost: $0.00

payments breakercoon:

• wallet: Google-pay
• credit card: Discover
• other

offer breakercoon:

• sold: 0
• started: June 7, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 6
• best offers: True

returns breakercoon:

• time: 30 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

seller breakercoon:

• city: Pocahontas, Arkansas
• # reviews: 5504
• rating: 100.0%

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