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Siemens NEB2B110B Molded Case Circuit Breaker

  • 110A
  • 2 Pole
  • Bolt-On
Siemens NEB2B110B
Molded Case Circuit Breaker
Brand Siemens
SKU NEB2B110B
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  • 110A
  • 2 Pole
  • Bolt-On

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Siemens NEB2B110B 2 Pole Circuit Breaker

Siemens NEB2B110B - 110A 2 Pole Molded Case Circuit Breaker

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$1,003.17 In Stock

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Description

The Siemens NEB2B110B delivers dependable thermal-magnetic protection for commercial and industrial facilities. This 2-pole, 110A molded case circuit breaker is a core component of the SENTRON NEB/HEB frame lineup. Designed for secure installation, it bolts into Siemens P1 through P5 panelboards. For modernizations, Siemens has replaced this model with the 3VA5111-5ED21-0AA0. Featuring a robust 35 kAIC interrupt rating at 480VAC, it ensures system safety and accommodates 6-3/0 AWG conductors.

Specifications

Key specifications
Brand Siemens
Part Number NEB2B110B
Series NEB
Amperage 110A
Poles 2
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600Y/347VAC, 250VDC
Phase 1
AIC Rating 85kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 35kA @ 250VDC
Fit and installation
Frame Type NEB
Terminal Type Lugs
For Use With Siemens P1, P2, P3, P4, P5 Panelboards
Wire Gauge 6-3/0 AWG (Cu/Al)
Max Wire 3/0 AWG
Min Wire 6 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism

Product FAQs

6 answers
Which Siemens panelboards are compatible with the NEB2B110B?

This bolt-on circuit breaker is designed for installation in Siemens P1, P2, P3, P4, and P5 series panelboards.

What wire sizes and materials are accepted by the NEB2B110B lugs?

The factory-installed lugs accept 6 AWG to 3/0 AWG copper or aluminum (Cu/Al) conductors.

Can the NEB2B110B be used in DC electrical systems?

Yes, this breaker is rated for DC applications, providing an interrupting capacity of 35kAIC at 250VDC.

What is the interrupting capacity of this breaker on a 600V system?

When installed in 600VAC or 347VAC systems, the NEB2B110B provides a maximum interrupting rating of 22kAIC.

What is the difference between the Siemens NEB and HEB frame breakers?

Both share the same physical footprint and panelboard compatibility, but the HEB frame offers a higher short-circuit interrupting capacity than the standard NEB frame.

Are the trip settings on the NEB2B110B adjustable?

No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous (LI) trip functions cannot be adjusted in the field.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 3 reviews
Total 5 star reviews: 3
Total 4 star reviews: 0
Total 3 star reviews: 0
Total 2 star reviews: 0
Total 1 star reviews: 0
Rating
Ratings
3 reviews
  • JL
    Jeremy L.
    Flag of United States
    Reviewing
    Siemens NEB3B125B - 125A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/17/18
    The right product with great

    The right product with great packaging and shipping

  • JL
    Jeremy L.
    Flag of United States
    Reviewing
    Siemens NEB3B030B - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/26/17
    Great breaker. Best price and

    Great breaker. Best price and fast service

  • DB
    Dan B.
    Flag of United States
    Reviewing
    Siemens NEB3B035B - 35A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/26/17
    Siemens NEB

    Customer is happy.