SIEMENS 3VA9157-0FK25 Breaker

( Brand: Siemens ), ( Part Type: Breaker ), ( Manufacturer Part Number: 3VA9157-0FK25 )

Review SIEMENS Breaker New Free Shipping

The Siemens 3VA9157-0FK25 is a versatile and reliable circuit breaker designed for use in various electrical applications. This breaker is part of Siemens' 3VA series, which is known for its advanced technology and robust design.

The 3VA9157-0FK25 is a 250A, single-phase mini-circuit breaker, suitable for protecting electrical loads up to 250 Amperes. It is designed with a current limiting reverse-acting magnetic trip unit, which ensures reliable tripping under short-circuit conditions. The breaker also features a thermal-magnetic trip unit, which provides overload protection and ensures safe operation of the electrical circuit.

The breaker housing is made of steel and is designed to withstand harsh environmental conditions, making it ideal for use in industrial and commercial applications. The breaker's compact size, with a depth of only 60mm, makes it suitable for installation in tight spaces, while its front-accessible terminals make installation and maintenance easy and convenient.

The Siemens 3VA9157-0FK25 is also equipped with a number of safety features, including a ground fault detection function, which helps to prevent electrical shocks, and a ground fault interrupter trip function, which provides additional protection against ground faults. The breaker also features a lockout function, which prevents accidental operation during maintenance or repair work.

The breaker's contacts are made of silver alloy, which ensures low contact resistance and long contact life, resulting in reliable electrical performance and reduced energy losses. The breaker is also designed to meet the requirements of various international and national standards, including UL, IEC, and VDE.

In summary, the Siemens 3VA9157-0FK25 is a robust and reliable circuit breaker, suitable for use in various electrical applications. Its advanced technology, compact size, and easy installation make it an ideal choice for industrial and commercial applications, while its safety features and long contact life ensure safe and efficient electrical performance.

The Siemens 3VA9157-0FK25 breaker is a type of circuit breaker designed for use in electrical distribution systems. It is a vacuum interrupter, low-voltage breaker with a current rating of 250 amperes and a voltage rating of 35 kV. Here are some pros and cons of buying this breaker:

1. High breaking capacity: The Siemens 3VA9157-0FK25 breaker has a high breaking capacity, which means it can safely interrupt high currents without damage to the breaker or the electrical system.

2. Long service life: Vacuum interrupter technology used in this breaker offers a long service life, which reduces maintenance costs and downtime.

3. High reliability: Siemens is a reputable manufacturer of electrical equipment, and the 3VA9157-0FK25 breaker is known for its high reliability and durability.

4. Low maintenance: Due to its vacuum interrupter technology, this breaker requires minimal maintenance, which saves time and labor costs.

1. High initial cost: The Siemens 3VA9157-0FK25 breaker has a higher initial cost compared to other types of circuit breakers, such as air breakers or oil-filled breakers.

2. Complex installation: Installing a vacuum interrupter breaker like the Siemens 3VA9157-0FK25 requires specialized knowledge and expertise, which may add to the installation cost.

3. Limited applications: This breaker is designed for use in specific electrical applications and may not be suitable for all electrical systems.

The Siemens 3VA9157-0FK25 breaker is a high-performance, reliable, and durable circuit breaker with a long service life. Its high breaking capacity makes it ideal for use in electrical distribution systems where high currents need to be interrupted safely. However, its high initial cost, complex installation, and limited applications may make it a less attractive option for some buyers.

If you are looking for a circuit breaker with a high breaking capacity and long service life, the Siemens 3VA9157-0FK25 breaker is an excellent choice. However, if you have a limited budget or require a breaker for a specific application, you may want to consider other options, such as air breakers or oil-filled breakers. Ultimately, it's essential to assess your electrical system's requirements and consult with a qualified electrical engineer or electrician to determine which type and size of circuit breaker is best for your needs.

Details:

Dear customer, there is one things need to be noticed before placing an order. Shipping way depend on delivery address. 25B-D2P3N104. 25B-D6P0N104.

25B-D1P4N104. 22B-D010N104.

part #: 3va91570fk25 prices

• $95.00-$224.61

specifications plcmechanize:

• brand: Siemens
• part type: Breaker
• manufacturer part number: 3VA9157-0FK25

shipping plcmechanize:

• service: Standard
• class: Standard
• cost: $0.00
• transit: 4-10 Days
• type: Fixed

general plcmechanize:

• condition: New
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

returns plcmechanize:

• method: Money back
• paid by: Seller
• policy: Returns Accepted
• time: 14 Days

payments plcmechanize:

• other
• wallet: Paypal
• credit card: Discover

offer plcmechanize:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 10
• best offers: True
• started: March 15, 2026

seller plcmechanize:

• rating: 100.0%
• # reviews: 17
• city: Houston, Texas

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