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Siemens NEB3B030B Molded Case Circuit Breaker

  • 30A
  • 3 Pole
  • Bolt-On
Siemens NEB3B030B
Molded Case Circuit Breaker
Brand Siemens
SKU NEB3B030B
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  • 30A
  • 3 Pole
  • Bolt-On

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Siemens NEB3B030B 3 Pole Circuit Breaker

Siemens NEB3B030B - 30A 3 Pole Molded Case Circuit Breaker

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$1,000.00 In Stock

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Description

Delivering reliable commercial power distribution, this 30A Siemens Sentron series breaker provides thermal-magnetic protection for demanding environments. It mounts into P1, P2, P3, P4, and P5 panelboards using a standard bolt-on configuration. While this specific NEB frame is transitioning to the newer 3VA4130-5ED34-0AA0 substitute, it remains fully supported for existing infrastructure. Features include an 85kAIC rating at 240V and factory-installed load side lugs for immediate wiring.

Specifications

Key specifications
Brand Siemens
Part Number NEB3B030B
Series NEB
Amperage 30A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600Y/347VAC, 250VDC
Phase 3
AIC Rating 85kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 35kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Siemens P1, P2, P3, P4, P5 Panelboards
Wire Gauge 14-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 14 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, Undervoltage Release, Auxiliary Switch, Alarm Switch
Accessories Load Side Lugs (TA1EG10)
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, HID Rated

Product FAQs

5 answers
Which Siemens panelboards are compatible with the NEB3B030B?

This 30-amp EG frame breaker is designed as a bolt-on branch device for Siemens Sentron P1, P2, P3, P4, and P5 series panelboards.

How are the line and load connections configured on this breaker?

As a dedicated panelboard-mount breaker, the line side is designed to bolt directly to the internal panel bus. Standard wire lugs are provided only on the load side for branch circuit wiring.

What wire sizes are accepted by the load-side lugs?

The factory-installed load lugs accommodate wire sizes from 14 AWG up to 1/0 AWG, and they are rated for use with both copper (Cu) and aluminum (Al) conductors.

What is the interrupting capacity of this breaker at its maximum AC and DC voltages?

At its maximum AC rating of 600VAC or 347VAC, the breaker delivers 22kAIC. When applied to its maximum DC rating of 250VDC, it provides a 35kAIC interrupting capacity.

How does the trip unit on this NEB frame breaker operate?

It utilizes fixed thermal and fixed magnetic elements to provide standard LI (Long-Time and Instantaneous) protection against overloads and short circuits without user-adjustable dials.

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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.