Product Description
The Square D QOB340 Mini Circuit Breaker from the QO Series delivers dependable protection for your electrical systems. Rated at 40 amps, this 3-pole breaker supports 120/240V AC applications with a 10 kA interrupting capacity. Its bolt-on mounting ensures a secure, durable installation in QO load centers or panelboards.
Engineered with Square D’s proven performance and safety standards, the QOB340 is ideal for both commercial and industrial applications requiring reliable overcurrent protection. UL Listed for quality and compliance.
Key Features
-
Brand: Square D
-
Model: QOB340
-
Type: Mini Circuit Breaker, QO Series
-
Amperage: 40A
-
Poles: 3-Pole
-
Voltage Rating: 120/240V AC
-
Interrupt Rating: 10 kA
-
Mounting Type: Bolt-On
-
Application: Commercial, Industrial
-
Certifications: UL Listed
