In stock
Favorite Favorite

NGB3B050B – Siemens – Molded Case Circuit Breaker Bolt On – 50 Amp – 3 Pole – 600 Volt

SKU: NGB3B050B Categories: ,



The Siemens NGB3B050B is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 50 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 480V. The NGB3B050B has a bolt-on connection type and includes long time and instantaneous trip functions.


Type Branch- Molded Case- Thermal and Fixed Magnetic
Voltage Rating 240 VAC- 480 Star/347 VAC- 600 Star/347 VAC at 50/60 Hz (UL)
Current Rating 50 Ampere at 40 Deg C
Number of Poles 3
Interrupting Rating 100 Kiloampere at 240 VAC- 25 Kiloampere at 480 Star/347 VAC- 14 Kiloampere at 600 Star/347 VAC (UL)
Installation Bolt-ON
Application Lighting- Distribution
Used On P1/P2/P3/P4/P5 Panelboard
Approval UL 489
Brand Name SPEEDFAXâ„¢
Model NGB
Additional Information Frame Type GB- Terminal Type Load Lug- Size 3 Inch W x 2.71 Inch D x 5 Inch H

Shipping information

Free Shipping Policy
Parcel shipments with item value over $200.00 qualify for free economy shipping within the continental US. Please indicate at checkout if USPS or UPS is a required shipment method. We do not charge a handling fee or require a minimum amount on any order. Breakers & Controls Florida does not ship on customer accounts.

Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances Breakers & Controls Florida may reserve up to 5 business days to consolidate orders for complete shipment.

Warranty information

At Breakers & Controls Florida, we stand behind the quality and reliability of our products. We understand that purchasing used and obsolete breakers and controls requires confidence in their performance. Therefore, we have established the following warranty policy to ensure your satisfaction:

  1. Limited Warranty: All used and obsolete breakers and controls purchased from [Company Name] are covered by a limited warranty. This warranty guarantees that the products will be free from defects in material and workmanship under normal use and service for a specified period from the date of purchase.
  2. Warranty Period: The warranty period for used and obsolete breakers and controls may vary depending on the specific product and its condition at the time of purchase. The warranty duration will be clearly stated on the product listing or accompanying documentation. Please review the product description or contact our customer support team for the warranty period applicable to your purchase.
  3. Warranty Coverage: Our warranty covers the repair or replacement of defective parts or products at our discretion. If a covered product is found to be defective within the warranty period, we will either repair the product, replace it with an equivalent item, or provide a refund, depending on the availability of the specific product and the customer’s preference.

Additional information

Weight 2 lbs

New, Used



There are no reviews yet.

Be the first to review “NGB3B050B – Siemens – Molded Case Circuit Breaker Bolt On – 50 Amp – 3 Pole – 600 Volt”

Your email address will not be published. Required fields are marked *