Siemens Type BQD 1 Pole 20A Circuit Breaker BQD120

Siemens Type BQD 1-Pole 20A Circuit Breaker BQD120

The Siemens BQD120 is a single-pole, 20-amp circuit breaker designed for reliable protection in electrical systems. Engineered for quick installation in Siemens panelboards and switchboards, this breaker is ideal for various applications, including lighting and distribution systems.

Key Features

• Voltage Rating: 277 VAC at 50/60 Hz, 125 VDC
• Interrupting Capacity: 14 kA at 277 VAC/125 VDC
• Frame Size: 100 A
• Trip Type: Thermal/Magnetic
• Mounting Type: Bolt-On
• Connection Type: Low Tab
• Wire Compatibility: 14 to 6 AWG copper, 12 to 6 AWG aluminum
• Temperature Rating: 40°C
• Dimensions: 4 in L x 3 in W x 1 in H
• Certifications: UL 489, CSA C22.2, IEC 60947-2

Applications

The BQD120 circuit breaker is well-suited for construction applications, particularly in lighting panels. It offers HACR ratings and is rated for switching duty (SWD) for 15 to 20 A, as well as HID ratings from 15 to 50 A, making it versatile for various electrical distribution needs.

Installation and Compatibility

Designed for quick installation, the BQD120 features interlocking capabilities that allow for one-screw mounting, securing the breaker line end bus tab to the panelboard busbar. It is compatible with Siemens P1, P2, P3, P4, and P5 panelboards, ensuring seamless integration into existing systems.

For more detailed specifications and installation guidelines, please refer to the manufacturer’s documentation.