Siemens BQD330 | 30A 3-Pole Type BQD Molded Case Circuit Breaker

Main Description:

The Siemens BQD330 is a molded case circuit breaker engineered for reliable protection in commercial and industrial electrical systems. Rated at 30 amps and designed for 3-phase applications, this BQD-Series breaker operates at 480 VAC and delivers a short-circuit interrupting capacity of 14 kA. Featuring a bolt-on mounting design, Long-Time and Instantaneous trip functions, and a thermal-magnetic trip unit, the BQD330 ensures accurate and dependable overcurrent protection while maintaining long-term durability through its molded case construction.

Technical Overview:

• Manufacturer: Siemens

• Brand: ITE Siemens

• Part Number: BQD330

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker

• Condition: New/Never Used Surplus

• Amperage Rating: 30 Amps

• Frame Type: BQD

• Poles: 3

• Voltage Rating: 480 V AC

• Voltage Type: AC

• Interrupting Capacity: 14 kAIC @ 480 V

• Trip Type: Thermal Magnetic

• Trip Functions: Long-Time (L), Instantaneous (I)

• Mounting Method: Bolt-On

• Application: Commercial and Industrial Power Distribution

Key Features:

• Thermal-magnetic protection for reliable overload and fault response

• 14 kA interrupting rating at 480 V for robust system safety

• Bolt-on mounting for secure and stable installation

• Designed for 3-phase applications in commercial and industrial environments

• Type BQD molded case construction for long-term durability