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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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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