SIEMENS NGB3B040 Pole Circuit Breaker Bolt Amplifier 40-AMP 403-POLE

( Brand: Siemens ), ( Part Type: Pole Amplifier Case ), ( Maximum Amperage: 40 A ), ( Manufacturer Part Number: NGB3B040 )

Review SIEMENS 403 Pole Molded Case Circuit Breaker Bolt On Read

The Siemens NGB3B040 is a 403 pole circuit breaker bolt designed for use with Siemens NGB series circuit breakers. This bolt is specifically engineered to carry a current of 40 amps. It is an essential component of the circuit breaker, providing the mechanical connection between the moving parts and ensuring the reliable operation of the electrical protection device.

The bolt is manufactured from high-quality materials, ensuring durability and resistance to corrosion. Its surface is finished with a protective coating that prevents oxidation and prolongs its service life. The bolt's head is designed to fit securely into the corresponding recess in the breaker's housing, while its threaded end is compatible with the corresponding nut.

The bolt's dimensions are as follows: the length is 55.5 millimeters, the diameter of the head is 22 millimeters, and the diameter of the threaded end is M20. The bolt's weight is approximately 180 grams, making it a robust and sturdy component.

The Siemens NGB3B040 is easy to install. Simply insert the bolt into the corresponding recess in the breaker housing, and secure it in place with the appropriate nut. The bolt's threaded end engages with the nut, creating a secure mechanical connection.

In summary, the Siemens NGB3B040 is a high-quality 40 amp circuit breaker bolt designed for use with Siemens NGB series circuit breakers. Its robust construction, durability, and ease of installation make it an excellent choice for electrical applications that require reliable and efficient circuit protection.

Siemens NGB3B040 403 Pole Circuit Breaker Bolt (40 Amp) is a critical component in electrical systems, ensuring the proper connection and reliability of circuit breakers. Here are some pros and cons of buying this specific bolt:

1. High-quality product: Siemens is a renowned brand in the electrical industry known for its durability and reliability. This bolt is no exception.

2. Designed for heavy loads: With a 40-amp rating, this bolt can handle significant electrical loads, making it suitable for industrial or commercial applications.

3. Corrosion-resistant: The bolt is made of brass, which is naturally resistant to corrosion. This feature is essential in electrical applications where exposure to moisture or harsh environments is common.

4. Easy installation: The bolt comes with a thread size of M22x1.5, which is a standard size for electrical applications. Additionally, its hexagonal head makes it easy to tighten with standard tools.

1. Expensive: Compared to other bolts in the market, this one may be more expensive due to the brand and its corrosion-resistant material.

2. Limited availability: Depending on the region or supplier, this bolt may not be readily available in local electrical stores.

3. Requires specific tools: The bolt's hexagonal head may require a specific socket or wrench, which may not be readily available for some users.

In conclusion, the Siemens NGB3B040 403 Pole Circuit Breaker Bolt (40 Amp) is a high-quality, reliable, and corrosion-resistant component suitable for electrical applications that require heavy loads. However, its price point may be a drawback for some users. If the cost is not a concern, and the bolt is easily available in your region, it is a recommended choice for ensuring the safety and reliability of your electrical systems.

Details:

part #: ngb3b040 prices

• $150.00-$266.75

specifications breakercoon:

• brand: Siemens
• part type: Pole Amplifier Case
• maximum amperage: 40 A
• manufacturer part number: NGB3B040

returns breakercoon:

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

offer breakercoon:

• options: Ship-to-home
• quantity: 2
• sold: 0
• availability: In Stock
• started: April 8, 2026

shipping breakercoon:

• class: Standard
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• transit: 2-5 Days
• type: Fixed
• cost: $0.00

general breakercoon:

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

payments breakercoon:

• other
• wallet: Apple-pay
• credit card: Mastercard

seller breakercoon:

• rating: 99.9%
• city: Anderson, Indiana
• # reviews: 49107

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