Siemens NEB3B050B Molded Case Circuit Breaker – 50A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – NEB Series

The Siemens NEB3B050B is a 50A, 3-pole, 3-phase molded case circuit breaker from the Siemens NEB Series. It features thermal-magnetic protection and is designed for compatible electrical distribution applications.

The breaker is rated for 600V and provides a 35kA interrupting rating at 480V with standard interrupting capacity. It uses a bolt-on mounting configuration, is supplied as a complete breaker with load-side lug terminals, and is rated for operation at 40°C.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: NEB Series
• Series: NEB
• Type: NEB
• Catalog No.: NEB3B050B
• Current Rating: 50A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 35kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Mounting Type: Bolt-On
• Breaker Configuration: Complete Breaker
• Terminal Type: Load-Side Lug Terminals
• Temperature Rating: 40°C
• Application: Electrical Distribution and Overcurrent Protection
• Brand: Siemens

Part Numbers & Identification

• Manufacturer Part Number (MPN): NEB3B050B
• Catalog Number: NEB3B050B
• Model: NEB3B050B
• Product Family: Siemens NEB Circuit Breakers
• Series: NEB
• Type: NEB
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 50A
• UPC:783643558571

Compatibility

Designed for use with compatible Siemens NEB Series electrical distribution equipment that accepts NEB Series molded case circuit breakers. The NEB3B050B provides 50A, 3-pole thermal-magnetic overcurrent protection for compatible 600V electrical distribution applications.

The breaker uses a bolt-on mounting configuration and includes load-side lug terminals. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, terminal arrangement, temperature requirements, and installation requirements before installation.

Certifications

• Siemens NEB Series
• 50A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 35kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Bolt-On Mounting
• Complete Breaker
• Load-Side Lug Terminals
• 40°C Rated

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

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