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Siemens NGB3B020B - 20A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU NGB3B020B
5.0
Rated 5.0 out of 5 stars
4 Reviews
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99

Siemens NGB3B020B - 20A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU NGB3B020B
5.0
Rated 5.0 out of 5 stars
4 Reviews
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Siemens NGB3B020B - 20A 3 Pole Molded Case Circuit Breaker

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$344.00 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Built for commercial panelboards, the Siemens NGB3B020B is a 20A, 3-phase molded case circuit breaker with thermal-magnetic trip technology. It provides reliable long-time and instantaneous protection for industrial systems. The breaker is designed to mount into Siemens P1, P2, and P3 panels using a secure bolt-on connection. Featuring HACR, HID, and SWD ratings, it supports versatile applications. For modern upgrades, it is replaced by the 3VA5120-4ED31-0AA0 using a mounting strap kit.

Specifications

Brand Siemens
Series NGB
Part Number NGB3B020B
Amperage 20A
Voltage 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC
Poles 3
Phase 3
AIC Rating 100kA @ 240VAC, 25kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-6 AWG (Cu), 12-6 AWG (Al)
Max Wire 6 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch
Accessories Load Side Lugs Included (TC1Q1)
Standards CSA C22.2 No. 5, UL 489, NEMA AB 1
Approval CSA, HACR, HID, SWD, UL
Temp Rating 40C
Construction Features HACR Rated, HID Rated, Reverse Feed

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Warranties

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If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

Click here to read our full warranty details

Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

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We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
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Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

5.0
Rated 5.0 out of 5 stars
Based on 4 reviews
Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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4 reviews
  • 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

    Was this helpful?
  • CS
    Christopher S.
    Flag of United States
    Reviewing
    Siemens NGB3B100B - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/15/21
    Super Breakers is Super!

    It is a pleasure dealing with Super Breakers on line, they have just about every breaker I ever need and the transaction is always quick and easy, and the prices are great also.

    Was this helpful?
  • SA
    Scott A.
    Flag of United States
    Reviewing
    Siemens NGB3B050B - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/19/20
    GOOD BREAKER AND GREAT SERVICE

    DONT HESITATE TO ORDER FROM SUPERBREAKERS. THEY DO WHAT THEY SAY THEY WILL.

    Was this helpful?
  • JB
    John B.
    Flag of United States
    Reviewing
    Siemens NGB3B040B - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/16/17
    Breaker

    The breaker I ordered came in factory box and boxed and padded for shipping. I've never had a problem ordering from Superbreakers. Thanks Superbreaker!

    Was this helpful?

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