QOU140 - Square D 40 Amp 120/240V 1-Pole Circuit Breaker QOU Series Bolt-On

QOU140

QOU140 is a Square D 40 Amp 1-pole circuit breaker designed for reliable circuit protection in residential and commercial applications.This QOU series miniature circuit breaker features a thermal magnetic trip unit with long-time and instantaneous trip functions. It supports a system voltage of 120/240 VAC and 48 VDC, with a 10 kA interrupting rating at 120/240 VAC. The breaker mounts via bolt-on connections and accepts wire gauges from AWG 14 to AWG 2 for both aluminum and copper conductors. Certified by UL, CSA, and IEC, it is HACR and switching duty rated, making it suitable for air conditioning and heating equipment.

Key Specifications
• Amperage: 40 A
• Voltage: 120/240 VAC, 48 VDC
• Poles: 1
• Mounting Type: Bolt-On Unit Mount
• Interrupt Rating: 10 kA at 120/240 VAC
• Trip Unit: Thermal Magnetic (Long-Time and Instantaneous)
• Wire Gauge: AWG 14 to AWG 2 (Copper/Aluminum)
• Certifications: UL, CSA, IEC
• Dimensions (H x W x D): 4.05 x 0.75 x 2.95 inches
• Application: HACR and Switching Duty Rated
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Specifications

• Part Number: QOU140
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : QOU Series
• Type : QOU
• Voltage : 120/240
• Amperage : 40
• Phase : 1
• Poles : 1
• AIC rating : 10kA@120V
• Connection : Unit Mount
• 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 : Standard
• Protection : Thermal Magnetic



Product Data

• UPC : 785901418597
• GTIN : 00785901418597
• 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