Siemens HEB3B050B Molded Case Circuit Breaker – 50A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – HEB Series

The Siemens HEB3B050B is a 50A, 3-pole, 3-phase thermal-magnetic molded case circuit breaker from the Siemens HEB Series Type HEB. It is designed for compatible electrical distribution applications and provides overcurrent protection for overload and short-circuit conditions.

The HEB3B050B is rated for 600V and provides a 65kA interrupting rating at 480V with high interrupting capacity. It features a bolt-on mounting configuration and is supplied as a complete breaker with an included trip unit, Long-Time and Instantaneous (LI) trip functions, and load-side lug terminals. The breaker is rated for operation at 40°C.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: HEB
• Series: HEB
• Type: HEB
• Catalog No.: HEB3B050B
• Current Rating: 50A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 65kA @ 480V
• Interrupting Capacity: High
• Protection Type: Thermal-Magnetic
• Trip Unit: Included
• Trip Functions: Long-Time and Instantaneous (LI)
• 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): HEB3B050B
• Catalog Number: HEB3B050B
• Model: HEB3B050B
• Product Family: Siemens HEB Circuit Breakers
• Series: HEB
• Type: HEB
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 50A
• Trip Configuration: Long-Time and Instantaneous (LI)
• Trip Unit: Included
• UPC:783643559028

Compatibility:

Designed for use with compatible Siemens HEB Series electrical distribution equipment that accepts HEB Series bolt-on molded case circuit breakers. The HEB3B050B provides 50A, 3-pole thermal-magnetic overcurrent protection for compatible 600V electrical distribution applications.

The breaker includes a trip unit and load-side lug terminals and features LI Long-Time and Instantaneous trip functions. Always verify the specific panelboard or electrical equipment model, approved breaker type, system voltage, available fault current, pole configuration, trip-unit requirements, terminal arrangement, mounting requirements, and installation specifications before installation.

Certifications:

• Siemens HEB Series
• 50A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 65kA @ 480V Interrupting Rating
• High Interrupting Capacity
• Thermal-Magnetic Protection
• Trip Unit Included
• Long-Time and Instantaneous (LI) Trip Functions
• Bolt-On Mounting
• Complete Breaker
• Load-Side Lug Terminals
• 40°C Rated

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