Siemens BQD260 - 60 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens BQD260 is a 60A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and loadcenters. From AmpState, this unit combines precise thermal-magnetic protection with a rugged mounting approach, ensuring reliable performance in demanding residential, commercial, and light industrial environments.

• Secure bolt-on mounting for a rigid, vibration-resistant bus connection— engineered to minimize movement and arcing, even in high-vibration installations, for long-term reliability.
• Thermal-magnetic trip unit for stable, repeatable protection— provides accurate instantaneous short-circuit response and time-delayed overcurrent protection to match circuit conditions.
• OEM-compatible hardware— designed to pair seamlessly with matching Siemens loadcenters and panelboards, simplifying installation and maintenance.
• Versatile, two-pole design— ensures simultaneous tripping of both conductors, safeguarding multi-wire circuits and reducing the risk of partial faults.

Ideal use scenarios

Perfect for protecting branch circuits in distribution panels, service centers, and equipment enclosures where secure mounting and reliable fault protection matter. Suitable for residential feeders, commercial lighting and receptacle circuits, HVAC controls, and light industrial equipment that require sturdy, repeatable protection at the 60A, 480V level.

Key specifications at a glance

• Manufacturer: Siemens
• Part Number: BQD260
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 60A
• Voltage Rating: 480V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

Why this matters for your panel and your budget

Choosing the BQD260 means selecting a breaker engineered for consistent trip performance and solid physical connections. The bolt-on design reduces the risk of loose bus bars that can lead to overheating, while the thermal-magnetic trip mechanism provides predictable behavior across a range of fault conditions. This translates to fewer nuisance trips, easier serviceability, and a safer, more reliable electrical system over time.

Installation and performance tips

• Power down the panel and verify circuits before mounting. Use the panelboard manufacturer’s torque specs for bolt-tightening to ensure a secure, code-compliant connection.
• Verify compatibility with your Siemens OEM loadcenter or panelboard to ensure optimal fit and coordinated trip performance.
• Keep conductors clean and properly sized for 60A circuits to maximize contact integrity and heat dissipation.
• Use the BQD260 as part of a thoughtfully planned protection scheme—align it with nearby overcurrent devices to maintain selective coordination and safe fault isolation.

Whether you’re upgrading panels, expanding a commercial distribution system, or outfitting a light industrial installation, the Siemens BQD260 60A, 480V, 2-pole bolt-on circuit breaker delivers durable protection, dependable operation, and straightforward integration with Siemens panelboards—now available from AmpState.