Siemens NGB3B045B Molded Case Circuit Breaker – 45A – 3-Pole / 3-Phase – 600V – 25kA @ 480V – Bolt-On – VL Series NGBC

The Siemens NGB3B045B is a 45A, 3-pole, 3-phase molded case circuit breaker from the Siemens VL Series Type NGB. It features thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions.

The NGB3B045B is rated for 600V and provides a 25kA interrupting rating at 480V with standard interrupting capacity. It is designed for panelboard mounting, uses a bolt-on connection, and is suitable for reverse-feed applications. The breaker is supplied complete with load-side lug terminals.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: VL Series
• Series: VL
• Type: NGB
• Catalog No.: NGB3B045B
• Current Rating: 45A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 25kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Panelboard Mounting
• Connection Type: Bolt-On
• Terminal Type: Load-Side Lug Terminals
• Reverse Feed: Suitable for Reverse-Feed Applications
• Breaker Configuration: Complete Breaker
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Siemens

Part Numbers & Identification:

• Manufacturer Part Number (MPN): NGB3B045B
• Catalog Number: NGB3B045B
• Model: NGB3B045B
• Product Family: Siemens VL Circuit Breakers
• Series: VL
• Type: NGB
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 45A
• Trip Configuration: Long-Time and Instantaneous (LI)
• UPC:783643414310

Compatibility:

Designed for use with compatible Siemens VL Series Type NGB electrical distribution equipment that accepts NGB Series molded case circuit breakers. The NGB3B045B provides 45A, 3-pole thermal-magnetic overcurrent protection for compatible 600V electrical distribution applications.

The breaker uses panelboard mounting and a bolt-on connection, includes load-side lug terminals, and is suitable for reverse-feed applications as specified. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, terminal arrangement, reverse-feed requirements, and installation specifications before installation.

Certifications:

• Siemens VL Series NGB
• 45A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 25kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Long-Time and Instantaneous (LI) Trip
• Panelboard Mounting
• Bolt-On Connection
• Load-Side Lug Terminals
• Suitable for Reverse-Feed Applications
• Complete Breaker

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers 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, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.