Siemens LGB3B040B Molded Case Circuit Breaker – 40A – 3-Pole / 3-Phase – 600V – 100kA @ 240V – Bolt-On – VL Series LGB

The Siemens LGB3B040B is a 40A, 3-pole, 3-phase molded case circuit breaker from the Siemens VL Series Type LGB. It is designed for compatible electrical distribution and panelboard applications and features thermal-magnetic protection with Long-Time and Instantaneous (LI) trip functions.

The breaker is rated for 600V and provides a 100kA interrupting rating at 240V with high interrupting capacity. It uses a bolt-on connection, is designed for panelboard mounting, is suitable for reverse-fed applications, and includes load-side lug terminals.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: VL Series
• Series: VL
• Type: LGB
• Catalog No.: LGB3B040B
• Current Rating: 40A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 100kA @ 240V
• Interrupting Capacity: High
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting / Connection: Bolt-On
• Mounting Type: Panelboard
• Reverse Feed: Suitable for Reverse-Fed Applications
• Terminal Type: Load-Side Lug Terminals
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): LGB3B040B
• Catalog Number: LGB3B040B
• Model: LGB3B040B
• Product Family: Siemens VL Series Molded Case Circuit Breakers
• Series: VL
• Type: LGB
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 40A
• UPC:887621220266

Compatibility:

Designed for use with compatible Siemens VL Series Type LGB electrical distribution equipment that accepts bolt-on molded case circuit breakers. The LGB3B040B provides 40A, 3-pole thermal-magnetic protection for compatible 600V applications.

The breaker is intended for panelboard mounting, includes load-side lug terminals, and is suitable for reverse-fed 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:

• No specific certification information provided

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

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