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Siemens NGB3B060B Molded Case Circuit Breaker

  • 60A
  • 3 Pole
  • Bolt-On
Siemens NGB3B060B
Molded Case Circuit Breaker
Brand Siemens
SKU NGB3B060B
Select Item Condition
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  • 60A
  • 3 Pole
  • Bolt-On

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Siemens NGB3B060B - 60A 3 Pole Molded Case Circuit Breaker

Siemens NGB3B060B - 60A 3 Pole Molded Case Circuit Breaker

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$380.76 In Stock

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Description

Built for industrial applications, the Siemens NGB3B060B is a 3-pole, 60A molded case circuit breaker utilizing fixed thermal and magnetic trip technology. Designed with a bolt-on mounting style, this unit integrates into Siemens P1, P2, and P3 panelboards. Note that this model is replaced by the 3VA51 series. Capable of handling 14kAIC at 600Y/347VAC, it comes equipped with load side lugs, is fully HACR rated, and supports reverse feed setups for commercial installations.

Specifications

Key specifications
Brand Siemens
Part Number NGB3B060B
Series NGB
Amperage 60A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 25kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC
Fit and installation
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards
Wire Gauge 8-1/0 AWG (Cu), 8-2/0 AWG (Al)
Max Wire 1/0 AWG (Cu), 2/0 AWG (Al)
Min Wire 8 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, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CE, CSA, HACR, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed

Product FAQs

6 answers
Which panelboards accept the NGB3B060B circuit breaker?

This 60A bolt-on breaker is designed for direct integration into Siemens P1, P2, and P3 distribution panelboards, as well as NGB 125A panelboards.

What is the difference between Siemens NGB and NGG circuit breakers?

Both series share the same compact GB frame design and thermal-magnetic trip units. However, NGB breakers like the NGB3B060B are configured specifically for bolt-on panelboard applications, whereas NGG breakers are engineered for independent base mounting or DIN rail installation in OEM equipment.

Are lugs included on both the line and load sides of the NGB3B060B?

No. Because this is a panelboard-mounted breaker, the line side features a bolt-on connection that fastens directly to the panel bus. Mechanical lugs are only equipped on the load side to accept your branch circuit wiring.

Can I install this Siemens NGB breaker in a GE or Eaton electrical panel?

No. To maintain strict UL safety listings and ensure proper bus bar alignment, the NGB3B060B must only be installed in approved Siemens enclosures. Forcing cross-brand compatibility can lead to dangerous resistance points, arcing, and voided manufacturer warranties.

Can the NGB3B060B replace older Siemens BQD circuit breakers?

Both NGB and BQD breakers can mount in Siemens P-Series panelboards. However, NGB breakers generally deliver higher interrupting ratings and have distinct physical dimensions. When substituting an NGB breaker for a BQD unit, confirm that your specific panel generation provides adequate gutter and wiring space for the GB frame.

Do I need a separate mounting kit to install the NGB3B060B in a distribution panel?

Yes, depending on your panel configuration. Installing an NGB branch breaker into Siemens P2 or P3 panelboards generally requires a specific mounting kit (such as the BBKNB32). These kits include the necessary mounting barriers, phase connectors, and hardware to safely bridge the breaker to the panel bus.

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Reviews

4.5
Rated 4.5 out of 5 stars
Based on 8 reviews
Rating
Ratings
8 reviews
  • JH
    John H.
    Verified Buyer
    Reviewing
    Siemens NGB3B015B - 15A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/16/26
    480v breakers

    The breakers work great

  • BP
    Bland P.
    Verified Buyer
    Reviewing
    Siemens NGB3B100 - 100A 3 Pole Molded Case Circuit Breaker
    I do not recommend this product
    Rated 1 out of 5 stars
    7/22/26
    NO LUGS!!

    I ordered this breaker and it arrived with no lugs. It was advertised as new so we didn't open the box and check until the shutdown we needed it for. When we discovered the lugs were missing we sent an email requesting a set overnighted. We didn't get a response for a couple of days, at which point we had already ordered lugs from their competitor Simply Breakers. They asked for pictures and questioned weather we had ordered the correct breaker asking if we needed lugs on both sides. This is a panel breaker and their is only one configuration that I am aware of which is bolted to bus in panel and wires to the three lugs on the other side. I have never had to order lugs separately for this style of breaker. They asked for pictures of box and what was in it, of course at this point the breaker is already installed and the box is thrown away. I sent a receipt for the overnight lugs from Simply breakers and asked for whatever credit they could provide. I received crickets to date. I have never had a problem with an order in the past from super breakers, but they are to busy to even respond to my request so I will think twice before I order anything from them again. It will be my last option once all others have been exhausted. Use Simply Breakers they have better stock and service.

  • PF
    Paul F.
    Verified Buyer
    Reviewing
    Siemens NGB3B060B - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/24/26
    Great service, quick shippin

    Need I say more.I have used SB. When we need it and need it quickly Always have what I need.

  • BP
    BJ P.
    Verified Buyer
    Reviewing
    Siemens NGB3B020B - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/11/26
    NGB3B020B

    I recently purchased the NGB3B020B and I’m very satisfied with the quality and performance. The breaker feels solid and well-made, and installation was straightforward. It works exactly as expected and provides reliable protection for my electrical setup. Shipping was fast and the product arrived in excellent condition. I would definitely purchase from this seller again.

  • RS
    Radovan S.
    Verified Buyer
    Reviewing
    Siemens NGB3B050B - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/9/26
    Absolutely amazing service.

    On Time