Square D QO340 Miniature Circuit Breaker 40A 240V 3Ph Plug-On

Product Description

The Square D QO340 Miniature Circuit Breaker is a three-pole device rated at forty amps and designed for use in two-hundred forty volt AC systems. This breaker provides overcurrent protection and switching for AC and DC systems. It features a quick-make and quick-break mechanism that ensures reliable operation and easy visual indication of tripping through VisiTrip technology.

• Three-pole design
• Rated for 40 amps at 240 volts
• UL Listed and CSA Certified

Product Highlights

The QO340 provides a compact footprint with a plug-in mounting type, facilitating quick installation in various distribution panels. It offers a breaking capacity of up to 10kA.

Product Information

Standard Information

• Catalog Number: QO340
• Brand: Square D

Technical Specifications

• Current Rating: 40 amps
• Voltage Rating: 120/240 volts AC
• Type: Miniature circuit-breaker
• Number of Poles: 3
• Mounting Type: Plug-in
• Interrupt Rating: 10 kA
• Wire Size: AWG 8 to AWG 2 copper or aluminum
• Weight: 0.363 kg