The QOU115 – SQUARE D 1P15A 120V Bolt On / DIN Rail Breaker is a reliable and compact solution for your electrical distribution needs. Designed for easy installation on DIN rails, this single-pole, 15-amp breaker provides robust circuit protection and ensures optimal performance for various applications, including residential and commercial settings.
| Brand | Square D |
|---|---|
| Type | Standard (Thermal-Magnetic) |
| Amperage | 15 A |
| Poles | 1-Pole |
| Voltage | 120V |
| Interrupting Rating | 10 kA |
| Mounting | Bolt-On |
| Frame / Series | QOU |
| Catalogue # | QOU115 |
The Square D QOU115 belongs to the QOU series — a compact bolt-on / DIN rail breaker line designed primarily for Square D's QO panelboards and loadcentres as well as DIN rail–mounted enclosures and distribution boards used in residential and light commercial applications. With its 10 kA interrupting rating at 120 V, it suits both new installations and replacement scenarios in compatible Square D equipment.
Not sure if the QOU115 fits your specific enclosure or panelboard? Send us your panel model number and we'll confirm compatibility for you.
The QOU series is the compact DIN rail / bolt-on variant of Square D's breaker lineup, making it suitable for both traditional bolt-on panelboards and DIN rail–mounted enclosures. The standard QO series is designed exclusively for bolt-on installation in QO loadcentres. If your enclosure uses DIN rail mounting, the QOU115 is likely the correct choice — contact us and we can help confirm the right fit for your application.
The QOU115 can serve as a replacement in compatible Square D QO-style panelboards, provided the panel accepts the QOU frame and the 15 A, 1-pole, 120 V rating matches your circuit requirements. Always verify the original breaker's catalogue number and your panel's approved breaker list before replacing. Our team specialises in obsolete and hard-to-find breakers, so reach out if you need help matching an older unit.
Yes — the QOU115 is rated for use in Canada. Its 10 kA interrupting capacity at 120 V meets the short-circuit withstand requirements for most residential and light commercial branch circuits under the Canadian Electrical Code (CEC). Always confirm the available fault current at your panel does not exceed the breaker's 10 kA rating, and consult a licensed electrician if you are unsure.
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