Square D QO345 Miniature Circuit Breaker 45A 240V 3Ph Plug-On

Product Description

The Square D QO345 Miniature Circuit Breaker is a three-pole thermal magnetic circuit breaker rated for 45A at 240V. It is designed for overcurrent protection and switching in both AC and DC systems. This breaker features a trip-free toggle mechanism that allows for quick make and break action. The VisiTrip indicator provides a visual cue when the breaker has tripped. It mounts easily with plug-in capability.

• Three-pole design for versatile applications
• Rated current of 45A at 120/240VAC
• Includes VisiTrip indicator for easy monitoring

Product Highlights

This circuit breaker is ideal for use in electrical panels, providing both reliability and efficient circuit protection.

Product Information

Standard Information

• Brand: Square D
• Manufacturer: Schneider Electric

Technical Specifications

• Catalog Number: QO345
• Voltage: 120/240V AC
• Current Rating: 45A
• Interrupt Rating: 10 kA
• Number of Poles: 3
• Wire Size: AWG 8...AWG 2 for copper or aluminum
• Mounting Type: Plug-in
• Certifications: UL Listed, CSA Certified