Square D PowerPacT B Series St...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$357.96
Square D PowerPacT B Series Steel Circuit Breaker Enclosure, NEMA 1

Square D PowerPacT B Series Steel Circuit Breaker Enclosure, NEMA 1

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Model: B125AWK

In Stock (leaves warehouse same day if ordered before 3pm ET)

$357.96
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Square D PowerPacT B Series Steel Circuit Breaker Enclosure, NEMA 1

The Square D PowerPacT B Series Steel Circuit Breaker Enclosure is a tough, dead-front steel housing built to hold PowerPacT B circuit breakers and molded case switches rated 15A to 100A. Designed for surface mounting in a NEMA 1 indoor enclosure, it supports 2-pole or 3-pole circuit breaker configurations from 15-100A and 110-125A, delivering dependable overcurrent protection and switching on AC systems for industrial and commercial installations. UL 489 Listed and certified to CSA, ANCE, and IEC standards, this enclosure is engineered for worldwide applications where reliable power protection is essential.

Key Features

  • Rated Range: Accommodates PowerPacT B circuit breakers from 15A to 100A (110-125A available) for flexible overcurrent protection.
  • Durable Construction: Steel enclosure provides a rugged, dead-front housing built to withstand grueling industrial and commercial conditions.
  • NEMA 1 Rated: Surface-mount NEMA 1 enclosure suited for general-purpose indoor installations.
  • Pole Configuration: Available in 2-pole or 3-pole design to match circuit-breaker requirements.
  • Overcurrent Protection: Delivers reliable overcurrent protection and switching on AC systems.
  • Common Accessories: Shares common accessories across the PowerPacT B range, simplifying installation and stocking.

Certifications & Compliance

  • UL 489 Listed
  • CSA Certified
  • ANCE Certified
  • IEC Certified
  • RoHS EU Compliant

Technical Specifications

  • Listing: UL Listed
  • Country of Origin: Mexico

Typical Applications

  • Industrial and Commercial Electrical Installations
  • Molded Case Circuit Breaker and Switch Housing
  • Panelboard and Load Center Wiring
  • System Integration and OEM Control Panels
  • Contractor and Electrician Overcurrent Protection Projects

Why Square D?

Square D circuit breaker enclosures are engineered for tough, reliable performance in the most grueling industrial and commercial conditions. With a steel dead-front housing, UL 489 Listing, and CSA, ANCE, and IEC certifications, this PowerPacT B enclosure delivers code-compliant overcurrent protection that electricians, contractors, and panel builders can depend on.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker Enclosure
Series:
PowerPacT B
Amperage Rating:
15A-100A
Standards:
NEMA 1
Listing:
UL Listed
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Panelboards & Load Centers

Square D B125AWK – Frequently Asked Questions

1) What amperage breakers does the Square D PowerPacT B enclosure hold?
The PowerPacT B enclosure is built for PowerPacT B circuit breakers and molded case switches rated 15A to 100A, with 110-125A configurations also covered. It takes 2-pole or 3-pole breakers, so size the enclosure to the frame you are installing rather than to the load alone.
2) Can a Square D PowerPacT B NEMA 1 enclosure be mounted outdoors?
No. The NEMA 1 steel version is a general-purpose indoor, surface-mount housing with no rating against rain, washdown, or dust. For a damp or outdoor location, the PowerPacT B range includes a NEMA 12/3R steel surface-mount enclosure (B125AWK) and a stainless steel NEMA 3/3R/4/4X/5 enclosure (B125DS) for corrosive or washdown areas.
3) Which PowerPacT B enclosure should I order for a food plant or coastal washdown area?
Go with the stainless steel B125DS, rated NEMA 3/3R/4/4X/5. The 4X rating is the one that matters for corrosive atmospheres and hose-down cleaning. The painted steel NEMA 1 (B125S) and the NEMA 12/3R steel unit (B125AWK) are not stainless and are not 4X.
4) What can I use instead of the PowerPacT B steel enclosure if I need to mount it outdoors?
The PowerPacT B Series steel enclosure is NEMA 1, which is a general-purpose indoor rating, so it is not the one for an exposed outdoor wall. Two directions work: stay in the PowerPacT B family and take the B125DS stainless steel version rated NEMA 3/3R/4/4X/5, or step to the ABB Q-Line NEMA 3R surface-mount enclosed circuit breaker rated 225A if the load is above the PowerPacT B range. The PowerPacT B enclosure accommodates breakers from 15A to 100A, so the ABB unit is the one to look at when the feeder is larger than that.
5) Is the Eaton ECC enclosure a direct substitute for the Square D PowerPacT B enclosure?
They fill the same role - a UL Listed enclosure for a molded case breaker - but they are not interchangeable housings. The Eaton ECC Series enclosure is built around Eaton's CCV frame type, while the Square D unit is cut and drilled for PowerPacT B breakers and molded case switches rated 15A to 100A. The breaker frame decides the fit, so match the enclosure to the breaker brand and frame you are installing rather than swapping one shell for the other.
6) Is the Square D PowerPacT B enclosure UL Listed for use as a service disconnect enclosure?
The PowerPacT B enclosed breaker assembly is UL 489 Listed, and also certified to CSA, ANCE, and IEC standards, with RoHS EU compliance. UL 489 is the molded case circuit breaker standard, so the listing covers the breaker and enclosure as an assembly for overcurrent protection and switching on AC systems. Service-entrance suitability depends on the specific breaker catalog number and your local inspector.
7) Does the enclosure come with the circuit breaker installed?
The PowerPacT B unit is the steel dead-front housing built to hold PowerPacT B breakers and molded case switches. Specify the breaker frame, pole count (2 or 3), and ampere rating separately so the trim and interior match the device you are mounting.
8) What else can I use if I need an enclosed breaker above 100A?
The PowerPacT B range tops out around the 100A frame (110-125A configurations included). For a larger feeder, ZenSupply carries the ABB Q-Line NEMA 3R surface-mount enclosed circuit breaker rated 225A. Eaton's ECC Series enclosure in the CCV frame type is another UL Listed option if you are standardizing on Eaton breakers.
9) For a simple indoor disconnect, do I need an enclosure plus breaker or can I buy one enclosed unit?
Both routes exist. The Square D PowerPacT B steel enclosure is a dead-front housing you populate with a PowerPacT B 2-pole or 3-pole breaker or molded case switch, which suits shops already stocking PowerPacT B breakers and its common accessories. If you would rather order a single enclosed breaker, the ABB Q-Line surface-mount enclosed circuit breaker ships as one 225A NEMA 3R assembly. The Eaton ECC Series is the enclosure-only approach on the Eaton side, sized to the CCV frame.
10) What is the PowerPacT B enclosure made of and how does the dead-front design affect safety?
Steel construction, dead-front, meaning the energized parts sit behind a barrier and only the operating handle is accessible with the door closed. That is what lets maintenance staff switch the breaker without exposure to live terminals. Country of origin is Mexico.
How fast can I get the Square D B125AWK delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D B125AWK come with a warranty?
Absolutely. The Square D B125AWK is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D B125AWK?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D B125AWK from ZenSupply?
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