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Siemens HED43B020 - 20A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU HED43B020
5.0
Rated 5.0 out of 5 stars
10 Reviews

Siemens HED43B020 - 20A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU HED43B020
5.0
Rated 5.0 out of 5 stars
10 Reviews
Select Item Condition
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Siemens HED43B020 - 20A 3 Pole Molded Case Circuit Breaker

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$698.60 In stock

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Description
Built for commercial power distribution, the Siemens HED43B020 is a 20A, 3-pole molded case circuit breaker. As part of the Sentron ED frame family, it provides dependable thermal-magnetic protection. This bolt-on MCCB is engineered to fit into Siemens P1, P2, and P3 panelboards. It comes equipped with load-side lugs and is replaced by the 3VA5120-6EC31-0AA0. Delivering a 42kAIC rating at 480VAC, this HACR-rated breaker is suitable for reverse feed applications.

Specifications

Brand Siemens
Series HED4
Part Number HED43B020
Amperage 20A
Voltage 240VAC, 480VAC, 250VDC
Poles 3
Phase 3
AIC Rating 100kA @ 240VAC, 42kA @ 480VAC, 30kA @ 250VDC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-10 AWG (Cu), 12-10 AWG (Al)
Max Wire 10 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release
Accessories Load Side Lug (SA1E025)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489
Approval CSA, HACR, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip

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International Shipping

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5.0
Rated 5.0 out of 5 stars
Based on 10 reviews
Total 5 star reviews: 10 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
10 reviews
  • JM
    Jonathan M.
    Verified Buyer
    Reviewing
    Siemens HED43B030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/10/26
    Breaker

    Fast Delivery, just what I ordered !!

  • RF
    Russell F.
    Verified Buyer
    Reviewing
    Siemens HED41B040 - 40A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/6/26
    Just what I ordered

    Straight forward, simple process. On time delivery.

  • MB
    Michael B.
    Verified Buyer
    Reviewing
    Siemens HED43B100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/5/25
    Worked well for my application

    This functioned as expected with ordering ease and received with care.

  • J
    Jason
    Reviewing
    Siemens HED43B070 - 70A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/20/24
    5 Stars

    Worked as they should, came in an original box. Happy with my purchase.

  • MC
    Mario C.
    Flag of United States
    Reviewing
    Siemens HED43B060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/1/21
    Breakers

    Great service and the product was on time.