QOU120HM - Square D 20A 1P 120/240V Miniature Circuit Breaker, QOU Series, High Magnetic Trip, DIN Rail/Surface Mount

QOU120HM

QOU120HM is a Square D miniature circuit breaker designed for reliable protection in residential and light commercial applications.

This single-pole, 20A breaker features a high magnetic trip unit for enhanced short-circuit protection, supports 120/240V AC operation, and is rated for 10 kA interrupting capacity at 120/240V AC. It is compatible with 14 to 2 AWG aluminum or copper wire, offers line/load lug connections, and is suitable for DIN rail or surface mounting. The QOU120HM operates within a temperature range of 14 to 140°F and is part of the QOU series by Square D (Schneider Electric).

Key Specifications

• Amperage: 20A
• Voltage: 120/240V AC, 48V DC
• Poles: 1
• Mounting Type: DIN Rail/Surface
• Interrupt Rating: 10 kA at 120/240V AC, 5 kA at 48V DC
• Series/Frame: QOU
• Trip Unit: Thermal Magnetic, High Magnetic
• Wire Size: 14 to 2 AWG (Aluminum/Copper)
• Connection: Line/Load Lug
• Temperature Rating: 14 to 140°F
• Frequency: 50/60 Hz
• Dimensions: 0.75 in W x 2.63 in D x 4.05 in H

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Specifications

• Part Number: QOU120HM
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : QOU Series
• Type : QOU
• Voltage : 120/240
• Amperage : 20
• Phase : 1
• Poles : 1
• AIC rating : 10kA@120V
• Connection : Bolt-On
• Functions : LI - Long-Time and Instantaneous Trip
• Terminal Connection : Slotted Box Lug (Reversible Line and Load)
• Frame Size : 100A/QOU
• Temp Rating : -13–158 °F (-25–70 °C)
• MCM Size : Min. Wire Size 14 AWG Max. Wire Size 2 AWG
• Breaker Type : High Magnetic
• Protection : Thermal Magnetic

Product Data

• UPC : 785901371458
• GTIN : 00785901371458
• Country of Origin : Mexico
• Dimensions : 4.05 in (102.87 mm) x 0.75 in (19.05 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
• Weight : 0.37
• Panel Type : Air Conditioning and Refrigeration Equipment, Heating
• Standards : CSA, IEC, UL listed
• Certification : IEC, UL listed
• Wire Size : AWG 14...AWG 2 aluminium/copper