Skip to main content

Eaton / Cutler-Hammer HFD1050 Molded Case Circuit Breaker

  • 50A
  • 1 Pole
  • Bolt-On
Eaton / Cutler-Hammer HFD1050
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU HFD1050
Select Item Condition
Earn 102 SuperPoints
  • 50A
  • 1 Pole
  • Bolt-On

Quantity

Bulk Pricing
Send your parts list for a volume quote.
Eaton / Cutler-Hammer HFD1050 - 50A 1 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer HFD1050 - 50A 1 Pole Molded Case Circuit Breaker

Re-Certified

$102.37 No Stock

Quantity

Similar Items

Description

Designed for commercial facilities, the Eaton HFD1050 molded case circuit breaker supplies 50A of continuous current. It provides robust long-time and instantaneous (LI) protection through a fixed thermal-magnetic trip unit. This bolt-on breaker mounts into Eaton Series C panelboards and switchboards, utilizing a load-side lug connection. For modern upgrades, it crosses to the Power Defense PDG21M0050TFFJ. Delivering 65 kAIC at 277VAC, this current-limiting MCCB is HACR and HID rated.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number HFD1050-R
Series HFD
Amperage 50A
Poles 1
Mounting Style Bolt-On
Voltage 240VAC, 277VAC, 125VDC, 347VAC
Phase 1
AIC Rating 100kA @ 240VAC, 65kA @ 277VAC, 10kA @ 125VDC, 35kA @ 347VAC
Fit and installation
Frame Type FD
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Switchboards
Wire Gauge 14-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 14 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 Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch, Handle Lock
Accessories Load Side Lug
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval ABS, CE, CSA, HACR, HID, UL
Temp Rating 40C
Construction Features HACR Rated, HID Rated, High Interrupting Capacity, Reverse Feed, Current Limiting

Product FAQs

4 answers
What panelboards are compatible with the HFD1050 breaker?

The HFD1050 is designed for use in Eaton Series C panelboards, switchboards, and motor control centers that accept F-frame circuit breakers.

Can the Eaton HFD1050 replace an older Westinghouse breaker?

Yes. Eaton acquired the Westinghouse electrical distribution business in 1994. The Eaton HFD1050 is the direct, manufacturer-supported replacement for obsolete Westinghouse HFD1050 breakers.

What is the difference between an FD1050 and an HFD1050 breaker?

The H in HFD designates a high-interrupting capacity. The HFD1050 provides a higher short-circuit interrupting rating than standard FD-frame breakers, making it suitable for systems with higher available fault currents.

Is the HFD1050 suitable for reverse-feed applications?

Yes. Standard thermal-magnetic Series C F-frame breakers like the HFD1050 are not marked with line and load restrictions, making them suitable for reverse-feed installations.

SuperClub

Join free. Get 500 SuperPoints.

Earn points on eligible purchases and redeem them at checkout.

100 SuperPoints = $1 off.

Warranties

60-Day Warranty

Your purchase includes 60 days of SuperBreakers warranty coverage.

Get a Quote

Don’t see what you’re looking for?

We source obsolete and hard-to-find parts every day.

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.

Read our full shipping policy

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.

Expedited Shipments

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

5.0
Rated 5.0 out of 5 stars
Based on 21 reviews
Rating
Ratings
21 reviews
  • CH
    carl h.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3200 - 200A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/20/26
    Breaker

    Breaker shipped out and we received it super quick.

  • DL
    Deanna L.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/19/26
    Eaton / Cutler-Hammer HFD3150 - 150A 3 Pole Molded Case Circuit Breaker

    We needed more breakers ASAP and once again, Michael David came thru like he always does. We are a 24/7/ emergency electrical restoration companyso most of our orders are always needed in a rush and SuperBreakers is always my go to!.

  • RF
    Ron F.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3045 - 45A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/9/26
    HFD3045

    Perfect breaker & great price/delivery. It's very easy to schedule around SB as their projected delivery times are accurate.

  • CP
    Christopher P.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3020L - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/13/26
    Fast and Cost effective

    Superbreakers Is always my first palce to look for harder to source breakers for a good price, and fast turnaround.

  • DS
    David S. B. D.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer HFD3060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/6/26
    Breaker

    Great response time and product