Siemens ED43B045 Molded Case Circuit Breaker – 45A – 3-Pole / 3-Phase – 480V – 18kA @ 480V – Bolt-On – Sentron ED Series

The Siemens ED43B045 is a 45A, 3-pole, 3-phase molded case circuit breaker from the Siemens Sentron Type ED Series. It features thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions and is designed for compatible electrical distribution applications.

The breaker is rated for 480V and provides an 18kA interrupting rating at 480V with standard interrupting capacity. It uses a bolt-on mounting configuration, includes load-side lug terminals, and is rated for operation at 40°C.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: Sentron
• Series: ED
• Type: ED
• Catalog No.: ED43B045
• Current Rating: 45A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 480V
• Interrupting Rating: 18kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Bolt-On
• Terminal Type: Load-Side Lug Terminals
• Breaker Configuration: Complete Breaker
• Temperature Rating: 40°C
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): ED43B045
• Catalog Number: ED43B045
• Model: ED43B045
• Product Family: Siemens Sentron Circuit Breakers
• Series: ED
• Type: ED
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 45A
• Trip Configuration: Long-Time and Instantaneous (LI)
• UPC:783643209428

Compatibility:

Designed for use with compatible Siemens Sentron ED Series electrical distribution equipment that accepts ED Series bolt-on molded case circuit breakers. The ED43B045 provides 45A, 3-pole thermal-magnetic overcurrent protection for compatible 480V, 3-phase electrical distribution applications.

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

Certifications:

• Sentron ED Series
• 45A Rated
• 3-Pole / 3-Phase
• 480V Rated
• 18kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Long-Time and Instantaneous (LI) Trip Functions
• Bolt-On Mounting
• Load-Side Lug Terminals
• Complete Breaker
• 40°C Rated

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