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Square D B4.15 Overload Relay Thermal Unit
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Square D B4.15 Overload Heater Element

Square D B4.15
Overload Heater Element
Brand Square D
SKU B4.15
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Earn 34 SuperPoints

Quantity

Core Specs

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Amperage3-3.37
SeriesB
Poles1
Mounting StylePlug-On
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Square D B4.15 Overload Relay Thermal Unit

Square D B4.15 Overload Heater Element

New

$34.95 In Stock

Quantity

Description Specifications SuperClub Warranties Shipping Reviews 4.9 (108)

Description

Square D B4.15 Overload Heater Element

The Square D B4.15 is an overload heater element with a current rating of 3-3.37 Amps. It is suitable for use with thermal overload relays, magnetic motor starters and motor controls.

Specifications

Key specifications
Amperage 3-3.37 A
Protection Melting Alloy
For Use With Thermal Overload Relays, Magnetic Motor Starters and Motor Controls
Mounting Type Plug-On
Electrical ratings
Poles 1
Fit and installation
NEMA Size 00, 0, 1, 1P
Standards and features
Standards NEMA
Product details
Series B
Brand Square D
MPN B4.15
UPC 785901587392

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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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Same Day Shipping

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.

Reviews

4.9
Rated 4.9 out of 5 stars
Based on 108 reviews
Reviews Summary
Customers say these electrical breakers and components work as expected and arrive quickly. Many reviews mention fast shipping, competitive pricing, and reliable products that fit perfectly. Users find the website easy to navigate and appreciate the wide selection of in-stock items. Common feedback includes satisfaction with timely delivery and professional customer service. While most praise the quality and value, one customer received used breakers instead of new ones as ordered. Overall, reviewers consistently highlight the combination of good prices, fast service, and dependable electrical components.
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108 reviews
  • TZ
    Thomas Z.
    Verified Buyer
    Reviewing
    Siemens B340 - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/9/26
    Place to go

    This is definitely the place to go when you need Breakers every time I call them James always takes care of me right away gets me exactly what I need very knowledge if you need a breaker of these guys are very fair and reliable

    Was this helpful?
  • JF
    Justin F.
    Verified Buyer
    Reviewing
    Square D B32.0 Overload Heater Element
    I recommend this product
    Rated 5 out of 5 stars
    10/1/26
    SQUARE D HEATERS B32

    THIS IS MY THIRD PURCHASE FROM SUPERBREAKERS.

    EVERY TIME MY ORDER HAS BEEN RIGHT AND ON TIME...

    KEEP UP THE GOOD WORK!

    JUSTIN

    Was this helpful?
  • BC
    Bruce C.
    Verified Buyer
    Reviewing
    Square D B28.0 Overload Heater Element
    I recommend this product
    Rated 5 out of 5 stars
    9/9/26
    Very happy

    Product arrived on time and with a great price ..very happy

    Was this helpful?
  • BL
    BOOSTIX L.
    Verified Buyer
    Reviewing
    Siemens B230H - 30A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/9/26
    Fast shipping

    thank you for fast ship

    Was this helpful?
  • BL
    Brian L.
    Verified Buyer
    Reviewing
    Siemens B220H - 20A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    9/4/26
    a

    a

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