Siemens BQD320 3-Pole 20A Molded Case Circuit Breaker
The Siemens BQD320 is a robust 3-pole molded case circuit breaker designed to provide reliable protection for electrical systems operating at 480Y/277 volts AC. With a current rating of 20 amps and an interrupting capacity of 14 kiloamps, this breaker is well-suited for commercial and industrial applications.
Key Features
- Voltage and Current Ratings: Rated for 480Y/277 volts AC and 20 amps, ensuring compatibility with standard electrical systems.
- Interrupting Capacity: Capable of interrupting up to 14,000 amps, providing robust protection against overcurrent conditions.
- Trip Mechanism: Equipped with a fixed thermal-magnetic trip unit, offering both long-time and instantaneous trip functions for comprehensive circuit protection.
- Mounting and Connections: Features a bolt-on mounting design for secure installation and includes load lug terminals compatible with 14-6 AWG copper and 12-6 AWG aluminum wires.
- Certifications: UL Listed and CSA Certified, ensuring compliance with industry standards for safety and performance.
Applications
The Siemens BQD320 is ideal for use in lighting panels, distribution boards, and other commercial or industrial panelboard applications. Its HACR (Heating, Air Conditioning, and Refrigeration) rating makes it suitable for HVAC systems, while its HID (High-Intensity Discharge) rating supports lighting applications.
Specifications
- Frame Type: BQD
- Number of Poles: 3
- Voltage Rating: 480Y/277 VAC
- Current Rating: 20 A
- Interrupting Rating: 14 kA at 480Y/277 VAC
- Trip Type: Fixed Thermal Magnetic
- Mounting Type: Bolt-On
- Terminal Type: Load Lug
- Wire Size: 14-6 AWG Copper, 12-6 AWG Aluminum
- Dimensions: 4.49″ L x 3″ W x 2.7″ D
- Operating Temperature: 40°C
In summary, the Siemens BQD320 circuit breaker offers reliable performance and safety features, making it a dependable choice for protecting electrical circuits in various commercial and industrial settings.
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