Skip to content
  • Product Image of NGB1B040B - 40Amp Circuit Breaker #1
** Picture is for identification purposes only and may not represent the actual amperage of the product listed **
scroll for more

NGB1B040B - 40Amp Circuit Breaker

  • 40 Amp
  • 25k @ 277VAC; 100k @ 120VAC
  • 1 Pole
Circuit BreakersSKU: NGB1B040B

Purchase Options: New In Box

NGB1B040B - 40Amp Circuit Breaker Description

NGB1B040B - 40Amp Circuit Breaker

The NGB1B040B circuit breaker from Siemens is designed to deliver exceptional protection and performance in commercial and industrial applications. Engineered to meet UL489 standards, this single-pole circuit breaker offers a robust solution for your electrical distribution needs. With a rated current of 40A and a maximum voltage of 347V AC, it ensures reliable operation under demanding conditions.

Key Features and Benefits:

  • High Interrupting Capacity: Rated for 25kA at 277V and 14kA at 347V, providing superior protection against overloads and short circuits.
  • Durable Construction: Built to withstand harsh environments, ensuring longevity and dependability.
  • Easy Installation: Includes load lugs, making installation straightforward and efficient.
  • Compact Design: Optimized for space-saving in panelboards and switchboards, fitting seamlessly into existing systems.

Technical Specifications:

  • Rated Current: 40A
  • Maximum Voltage: 347V AC
  • Interrupting Capacity: 25kA at 277V, 14kA at 347V
  • Poles: 1
  • Weight: 0.880 lb

Material Compliance and Certifications:

  • The NGB1B040B complies with the RoHS directive, ensuring it is free from hazardous substances since July 1, 2006. Additionally, it meets the WEEE directive, emphasizing Siemens‰۪ commitment to environmental responsibility and sustainability.

Suitability:

  • Ideal for commercial and industrial electrical systems, the NGB1B040B is suitable for a variety of applications, including lighting, heating, and motor protection. Its reliable performance and high interrupting capacity make it a preferred choice for facility managers and electrical contractors looking for dependable circuit protection solutions.

Enhance your electrical systems' safety and performance with the Siemens NGB1B040B circuit breaker‰ÛÓoffering unparalleled protection and efficiency in a compact design.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:1.0
  • Height:5.0
  • Depth:3.06
  • Poles:1
  • Amperes:40
  • A.I.C. Rating & Volts:25k @ 277VAC; 100k @ 120VAC
  • Type:NGB
  • Approx Dimensions:1.00"W x 5.00"L x 3.06"D
  • Additional Notes:40å¼C, HACR rated, Molded Case Circuit Breaker, Panelboard Mount. Includes Load-Side Terminals

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

Similar Products

Why Us?

Free Shipping

Free shipping on orders over $100

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction