Siemens NGB1B015B Circuit Breaker – VL Series – NGB Frame – 15A – 1 Pole – 347VAC – Bolt-On – Thermal Magnetic

The Siemens NGB1B015B is a VL Series molded case circuit breaker designed for compact panelboard applications requiring reliable low-current protection. Rated at 15A and 347VAC, this 1-pole breaker is built on the NGB frame platform and is suitable for single-phase electrical distribution systems.

Equipped with a thermal-magnetic trip unit, the NGB1B015B provides Long-Time and Instantaneous (LI) protection, ensuring dependable response to overload and short-circuit conditions. It is designed for panelboard mounting with bolt-on connection, making it suitable for reverse feed applications and flexible installation in Siemens electrical distribution equipment.

This breaker is UL listed and engineered for consistent performance and high interrupting capacity in commercial and industrial environments.

Specifications

• Brand: Siemens / ITE
• Part Number: NGB1B015B
• Series: VL Series
• Frame Type: NGB Frame
• Category: Molded Case Circuit Breaker
• Mounting Type: Panelboard Mounting (Bolt-On)
• Configuration: 1 Pole
• Phase: 1 Phase
• Protection Type: Thermal Magnetic
• Trip Functions: LI – Long-Time and Instantaneous
• Ambient Rating: Panelboard application standard

Electrical Ratings

• Current Rating: 15A
• Voltage Rating: 347VAC
• Interrupting Capacity: 25kA @ 277VAC
• System Suitability: Reverse feed capable (panelboard dependent)

Construction

• Compact NGB frame molded case design
• Bolt-on mounting system
• Thermal-magnetic trip mechanism
• Load side lugs included
• Designed for panelboard integration
• Durable industrial-grade housing

Functions

• Overload protection
• Short-circuit protection
• Long-time delay protection
• Instantaneous fault protection
• Circuit switching and isolation

Dimensions

• Height: 1 in
• Width: 5.4 in
• Depth: 2.8 in
• Weight: 0.85 lb

Applications

• Commercial panelboards
• Industrial electrical distribution systems
• Lighting and control circuits
• Single-phase branch circuit protection
• Reverse feed panelboard applications
• Compact low-voltage installations

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.