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QO120HM - 20Amp Circuit Breaker

  • 20 Amp
  • 10k @ 120VAC
  • 1 Pole
Circuit BreakersSKU: QO120HM

Purchase Options: New In Box

QO120HM - 20Amp Circuit Breaker Description

QO120HM - 20Amp Circuit Breaker

The QO120HM is a 20 Amp, single-pole Type QO-HM circuit breaker with a plug-on design for use in your compatible 120VAC electrical distribution equipment. It provides overcurrent and short-circuit protection while featuring a high magnetic trip rating, making it a suitable option for circuits that experience higher inrush current during equipment startup.

This breaker carries a 10kA interrupting rating at 120VAC and is commonly used where dependable branch circuit protection is needed without unnecessary trips caused by brief current surges. Its compact size also makes it a straightforward replacement when servicing compatible load centers and panelboards. Before installation, always confirm that the breaker matches your panel and the requirements of the electrical system.

Key Features and Benefits

  • 20 Amp Current Rating: 20 Amp current rating.
  • Single-Pole Breaker: Single-pole breaker.
  • Type QO-HM Configuration: Type QO-HM configuration.
  • Plug-On Installation: Plug-on installation.
  • High Magnetic Trip Characteristic: High magnetic trip characteristic for higher inrush current applications.
  • 10kA Interrupting Capacity: 10kA interrupting capacity at 120VAC.
  • Overcurrent Protection: Protects branch circuits against overloads and short circuits.
  • Compatible Equipment: Fits compatible electrical distribution equipment.

Technical Specifications

  • Part Number: QO120HM
  • Type: QO-HM
  • Poles: 1
  • Amperes: 20A
  • Voltage: 120VAC
  • Interrupting Rating: 10kA @ 120VAC
  • Dimensions:
    • Height: 3.0 in.
    • Width: 0.75 in.
    • Depth: 2.5 in.
  • Mounting: Plug-On

Material Compliance and Certifications

  • Compatible Equipment: Designed for use in compatible electrical distribution equipment.
  • Installation Requirements: Install according to applicable local and national electrical codes.
  • Compatibility Verification: Confirm compatibility with the intended panelboard or load center before installation.

Where It Works Best

  • The QO120HM is well suited for commercial and industrial electrical systems that include equipment with higher startup current, such as small motors, transformers, pumps, compressors, and similar loads. It is also a practical replacement for existing compatible Type QO-HM breakers during maintenance or repairs.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.

Specifications

  • Width:0.75
  • Height:3.0
  • Depth:2.5
  • Poles:1
  • Amperes:20
  • A.I.C. Rating & Volts:10k @ 120VAC
  • Type:QO-HM
  • Approx Dimensions:0.75"W x 3.00"L x 2.50"D
  • Additional Notes:Type QO-HM, Plug-On Circuit Breaker with High Magnetic Trip Rating

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE ground shipping on breaker orders over $100 and all other items with orders over $500.

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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