SIEMENS CQD345 BREAKER CQD 3P 45A 480/277V 14KA DIN – Circuit Breaker

The SIEMENS CQD345 is a three-pole circuit breaker designed for reliable electrical distribution and protection in commercial and industrial applications. It is suitable for use in lighting solutions, wire and cable installations, and as part of switchgear assemblies. This DIN rail mount breaker provides a continuous current rating of 45 amps at 480/277 volts AC with a 14kA interrupting capacity, ensuring robust performance and safety in electrical systems.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: CQD345
• Number of Poles: 3
• Continuous Current Rating: 45 Amps @ 480Y/277V AC
• Interrupting Rating: 14,000 Amps
• Mounting Type: DIN Rail Mount
• Product Weight: 2.15 lbs
• UPC: 783643277793

Features

• Compact DIN rail design for easy installation in electrical panels
• High interrupting capacity of 14kA for enhanced system protection
• Suitable for use in electrical distribution and lighting solutions
• Compatible with auxiliary switches, alarm switches, and shunt trip accessories
• Designed for use with copper and aluminum wire per Siemens specifications
• UL Listed for safety and reliability

Downloads and Links

• Siemens BQD Product Information and Support
• Technical Data and Catalog PDF
• Contact Siemens Customer Support