SKU: 10097214164

Siemens NEB3B040B 40A 3-Pole 480V EG Frame Circuit Breaker Thermal Magnetic LI 35kA@480V 22kA@600V

$749.70 $833.00
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Description

Siemens NEB3B040B 40A 3-Pole 480V EG Frame Circuit Breaker Thermal Magnetic LI 35kA@480V 22kA@600VPRODUCT DESCRIPTION The Siemens NEB3B040B is a 40 Amp, 3 Pole EG frame molded case circuit breaker engineered for commercial lighting, power distribution, and industrial panelboard applications. As a core component of the Siemens low voltage line, this breaker features a non interchangeable fixed thermal magnetic trip unit delivering permanent LI (Long Time, Instantaneous) system protection against overloads and short circuits. Built with a standard

PRODUCT DESCRIPTION The Siemens NEB3B040B is a 40 Amp, 3-Pole EG frame molded case circuit breaker engineered for commercial lighting, power distribution, and industrial panelboard applications. As a core component of the Siemens low voltage line, this breaker features a non-interchangeable fixed thermal-magnetic trip unit delivering permanent LI (Long-Time, Instantaneous) system protection against overloads and short circuits. Built with a standard interrupting capacity NEB frame, it is designed for reliable panelboard mounting and includes load-side lug terminals for stable wire connections.

KEY FEATURES • Catalog Number: NEB3B040B • Manufacturer: Siemens • Amperage: 40 Amp • Poles: 3-Pole • Voltage Rating: 480VAC / 600Y/347VAC • Siemens NEB Series (EG-Frame Size) • Thermal-Magnetic Trip Unit • LI Protection Functions • Fixed Long-Time Protection • Fixed Instantaneous Protection • Panelboard Bolt-On Mounting Style • HACR and HID Rated • UL 489 Listed • CSA Certified

INTERRUPTING RATINGS (KAIC) • 85kA @ 240VAC • 35kA @ 480VAC • 22kA @ 600Y/347VAC • 35kA @ 250VDC

TECHNICAL SPECIFICATIONS • Manufacturer: Siemens • Catalog Number: NEB3B040B • Series: NEB Series / EG Frame • Frame Size: EG Frame • Type: Molded Case Circuit Breaker • Amperage: 40A • Poles: 3 • Voltage Rating: 600Y/347VAC Max • Frequency: 50/60 Hz • Trip Unit: Fixed Thermal-Magnetic • Protection Functions: Long-Time (L), Instantaneous (I) • Mounting Style: Bolt-On Panelboard Mount • Connection Type: Load Side Lugs Installed Only (TA1EG10) • Wire Size: 8 AWG to 1/0 AWG (Copper/Aluminum) • Standards: UL 489, CSA C22.2 No. 5, IEC 60947-2, CE

PRODUCT DATA • Brand: Siemens • Manufacturer: Siemens Industry, Inc. • Model: NEB3B040B • Series: NEB Frame • Frame: EG Frame Size • Type: Thermal-Magnetic Molded Case Circuit Breaker • Protection: LI (Long-Time, Instantaneous) • Trip Unit: Non-Interchangeable Fixed Trip • Mounting: Bolt-On / Panelboard Unit Mount• Connection: Load Lug Terminals Installed • Condition: New / Reconditioned • Phase: 3 Phase • Rated Current: 40A • Rated Voltage: 600Y/347VAC Max • UPC: 783643558557 • GTIN: 00783643558557 • Weight: Approximately 2.6 lbs • Country of Manufacture: Dominican Republic

COMPATIBLE EQUIPMENT • Siemens P1 Panelboards • Siemens P2 Panelboards • Siemens P3 Panelboards • Siemens P4 and P5 Power Distribution Panelboards • OEM Power Distribution Assemblies

APPLICATIONS • Commercial Lighting and Branch Power Panels • Industrial Distribution Infrastructure • HVAC Control Circuit Branch Protection • Institutional Power Distribution Systems

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SKU: 10097214164

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Caro Montes
Whiting, US
★★★★★ 5
Highly Recommend to anyone going through family conflicts
Format: Hardcover
I love all of Nedra’s books. I highly recommend this book to anyone who has family conflicts that are taking a toll on them. It teaches you how to set proper boundaries and understand the situation and your feelings.
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Reviewed in the United States on May 25, 2026
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Jeremy and Elizabeth
Carnegie, US
★★★★★ 5
Practical Read for Managing Challenging Family Dynamics
Format: Hardcover
I found this text easy to read and a helpful way to reflect on my childhood experience and the relationships I have with my family members. The strategies are easy to implement.
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Reviewed in the United States on January 21, 2026
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Diane Burroughs
Phoenix, US
★★★★★ 5
Drama Free For Sure!
Format: Kindle
Nedra Glover Tawwab is a New York Times bestselling author, a licensed therapist, and a sought-after relationship expert. This book is a therapeutic and educational tool that addresses how to consciously change behaviors you’d rather not have in relationships, specifically, around your family. For those of us who have delved into the self-help book world, this is an in-depth, thorough refresher, focusing on family dynamics. Nedra’s core belief is that relationships contribute to mental health. They can cause you pain or they heal you. She focuses on taking your relationships seriously and teaches the art of having tough but intentional conversations to create positive change. OR you’ll learn how to sever ties when the relationship is unmanageable. None is more influential than the formative years we’ve had with our family of origin. A lot of people lament that not everything is about the family, but yup, so often it’s true. In childhood, most likely we weren’t allowed to be ourselves, so our true selves started to develop when becoming an adult. Like a butterfly using its colossal strength to break out of its chrysalis, we too must use our emotional colossal strength to break out of our childhood mold in order to fly. We are able to have relationships with family on our terms.
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Reviewed in the United States on March 11, 2023
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New Z Land Farms
Chelsea, US
★★★★★ 4
Insightful and Compassionate.
Format: Hardcover
I really love Nedra Glover Tawwab's work. I started with "Set Boundaries, Find Peace" and that opened the gateway to a broader and more helpful healing journey for me. This book, "Drama Fee" was just an evolutionary step in her series and a more in depth dealing with family relationships. The different perspectives for each chapter on how the concept can be applied was/is helpful as it often feels like books of this nature are only telling the black or white way to focus on a relationship. I felt seen and heard that though my familial relationships are unique there are commonalities and in turn ways to approach healing, reconciliation (with oneself and with family), understanding and compassion, to a achieve drama free relationships. As humans we are bread for connection and I appreciate Nedra Glover Tawwab's help in navigating them.
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Reviewed in the United States on June 9, 2025
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Diane Burroughs
Belleville, US
★★★★★ 5
Being Our True Selves In Relationships That Matter
Format: Kindle
Nedra Glover Tawwab is a New York Times bestselling author, a licensed therapist, and a sought-after relationship expert. This book is a therapeutic and educational tool that addresses how to consciously change behaviors you’d rather not have in relationships, specifically, around your family. For those of us who have delved into the self-help book world, this is an in-depth, thorough refresher, focusing on family dynamics. Nedra’s core belief is that relationships contribute to mental health. They can cause you pain or they heal you. She focuses on taking your relationships seriously and teaches the art of having tough but intentional conversations to create positive change. OR you’ll learn how to sever ties when the relationship is unmanageable. None is more influential than the formative years we’ve had with our family of origin. A lot of people lament that not everything is about the family, but yup, so often it’s true. In childhood, most likely we weren’t allowed to be ourselves, so our true selves started to develop when becoming an adult. Like a butterfly using its colossal strength to break out of its chrysalis, we too must use our emotional colossal strength to break out of our childhood mold in order to fly. We are able to have relationships with family on our terms.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 3, 2023

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