Square D QOU315 Miniature Circuit Breaker – 15A – 3-Pole / 3-Phase – 120/240V AC – 10kA – Unit Mount – QOU Series

The Square D QOU315 is a 15A, 3-pole, 3-phase miniature circuit breaker from the Square D QOU Series. It features thermal-magnetic protection and is designed to provide overcurrent protection in compatible electrical distribution systems.

The QOU315 is rated for 120/240V AC and provides a 10kA interrupting rating. It features line/load lug terminals, accommodates 14–2 AWG aluminum or copper conductors, and supports 35 mm DIN rail, flush, and surface mounting.

Specifications:

• Manufacturer: Square D / Schneider Electric
• Product Type: Miniature Circuit Breaker
• Product Family: QOU
• Series: QOU
• Catalog No.: QOU315
• Current Rating: 15A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 120/240V AC
• Interrupting Rating: 10kA
• Protection Type: Thermal-Magnetic
• Mounting Type: Unit Mount
• Mounting Compatibility: 35 mm DIN Rail / Flush / Surface Mount
• Terminal Type: Line/Load Lug Terminal
• Wire Range: 14–2 AWG Aluminum/Copper
• Application: Overcurrent Protection
• Brand: Square D / Schneider Electric

Part Numbers & Identification:

• Manufacturer Part Number (MPN): QOU315
• Catalog Number: QOU315
• Model: QOU315
• Product Family: Square D QOU Circuit Breakers
• Series: QOU
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Miniature Circuit Breaker
• Breaker Configuration: 3-Pole, 15A
• UPC:785901418863

Compatibility:

Designed for use with compatible Square D QOU Series electrical distribution equipment supporting QOU miniature circuit breakers. The QOU315 provides 15A, 3-pole thermal-magnetic overcurrent protection for compatible 120/240V AC applications.

The breaker uses line/load lug terminals and accommodates 14–2 AWG aluminum or copper conductors. Its mounting configuration supports compatible 35 mm DIN rail, flush, and surface-mount installations. Always verify the specific equipment model, approved breaker type, system voltage, pole configuration, conductor size, terminal arrangement, and mounting requirements before installation.

Certifications:

• 15A Rated
• 3-Pole / 3-Phase
• 120/240V AC Rated
• 10kA Interrupting Rating
• Thermal-Magnetic Protection
• Unit Mount
• 35 mm DIN Rail / Flush / Surface Mount Compatible
• Line/Load Lug Terminal
• 14–2 AWG Aluminum/Copper
• Square D QOU Series

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