Siemens NGG3B125L Molded Case Circuit Breaker – 125A – 3-Pole / 3-Phase – 600V – 25kA @ 480V – Feed-Thru – VL Series NGG

The Siemens NGG3B125L is a 125A, 3-pole, 3-phase molded case circuit breaker from the Siemens VL Series Type NGG. It is designed for compatible electrical distribution applications and provides standard interrupting capacity.

The breaker is rated for 600V and provides a 25kA interrupting rating at 480V. It features Long-Time and Instantaneous (LI) trip functions, a feed-thru configuration, and line- and load-side lug terminals. The breaker is suitable for reverse-feed applications and supports screw or DIN rail mounting.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: VL Series
• Series: VL
• Type: NGG
• Catalog No.: NGG3B125L
• Current Rating: 125A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 25kA @ 480V
• Interrupting Capacity: Standard
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Screw or DIN Rail
• Connection / Configuration: Feed-Thru
• Terminal Type: Line- and 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): NGG3B125L
• Catalog Number: NGG3B125L
• Model: NGG3B125L
• Product Family: Siemens VL Circuit Breakers
• Series: VL
• Type: NGG
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 125A
• Trip Configuration: Long-Time and Instantaneous (LI)
• UPC:783643413924

Compatibility:

Designed for use with compatible Siemens VL Series Type NGG electrical distribution equipment that accepts NGG Series molded case circuit breakers. The NGG3B125L provides 125A, 3-pole protection for compatible 600V electrical distribution applications.

The breaker features a feed-thru configuration, line- and load-side lug terminals, and screw or DIN rail mounting. It is also 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, mounting requirements, reverse-feed requirements, and installation specifications before installation.

Certifications:

• Siemens VL Series NGG
• 125A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 25kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Long-Time and Instantaneous (LI) Trip Functions
• Feed-Thru Configuration
• Screw or DIN Rail Mounting
• Line- and Load-Side Lug Terminals
• Suitable for Reverse-Feed Applications
• Complete Breaker

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