Siemens NGG3B050L Molded Case Circuit Breaker – 50A – 3-Pole / 3-Phase – 600V – 25kA @ 480V – Feed-Thru – VL NGG Series

The Siemens NGG3B050L is a 50A, 3-pole, 3-phase molded case circuit breaker from the Siemens VL Series Type NGG. 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 600V and provides a 25kA interrupting rating at 480V with standard interrupting capacity. It features a feed-thru configuration, line- and load-side lug terminals, and supports screw or DIN rail mounting. It is also suitable for reverse-feed applications.

Specifications:

• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Product Family: VL Series
• Series: VL
• Type: NGG
• Catalog No.: NGG3B050L
• Current Rating: 50A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 25kA @ 480V
• Interrupting Capacity: Standard
• Protection Type: Thermal-Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Mounting Type: Screw or DIN Rail
• Connection / Configuration: Feed-Thru
• Terminal Type: Line-Side and Load-Side Lug Terminals
• Reverse Feed: Suitable for Reverse-Feed Applications
• Application: Electrical Distribution and Overcurrent Protection

Part Numbers & Identification:

• Manufacturer Part Number (MPN): NGG3B050L
• Catalog Number: NGG3B050L
• Model: NGG3B050L
• Product Family: Siemens VL Circuit Breakers
• Series: VL
• Type: NGG
• Brand: Siemens
• Manufacturer: Siemens
• Product Type: Molded Case Circuit Breaker
• Breaker Configuration: 3-Pole, 50A
• Trip Configuration: Long-Time and Instantaneous (LI)
• UPC:783643413856

Compatibility:

Designed for use with compatible Siemens VL Series Type NGG electrical distribution equipment that accepts NGG Series molded case circuit breakers. The NGG3B050L provides 50A, 3-pole thermal-magnetic overcurrent 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, trip requirements, terminal arrangement, mounting method, and installation requirements before installation.

Certifications:

• Siemens VL Series
• 50A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 25kA @ 480V Interrupting Rating
• Standard Interrupting Capacity
• Thermal-Magnetic Protection
• Long-Time and Instantaneous (LI) Trip Functions
• Feed-Thru Configuration
• Screw or DIN Rail Mounting
• Line-Side and Load-Side Lug Terminals
• Suitable for Reverse-Feed Applications

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