Siemens BQD2100 - 100 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens BQD2100 sets a new standard for dependable branch circuit protection with a purpose-built design for panelboards and loadcenters. This 2-pole, 100 A breaker handles both overload and short-circuit scenarios with clarity and confidence, making it an ideal upgrade or replacement in demanding electrical environments.

• 100 A at 480 V capacity tailored for modern commercial, industrial, and multi-residential applications, delivering reliable protection where high voltage is in play.
• Bolt-on mounting provides a rigid, vibration-resistant connection to the bus, reducing looseness and improving ongoing reliability in panels that experience movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection: the thermal element guards against gradual overloads while the magnetic path delivers an instantaneous response to short circuits, helping minimize damage to upstream equipment.
• Molded-case construction offers durable, compact protection designed to withstand the rigors of installation in busy electrical rooms and service panels.
• OEM-compatible design is optimized to pair with matching Siemens loadcenters and panelboards, ensuring a seamless fit and reliable system performance.
• Versatile application suitable for residential projects, commercial spaces, and light industrial environments where robust branch-circuit protection is essential.

Whether you’re upgrading aging equipment, replacing a failed breaker, or building a new panel, the Siemens BQD2100 100A, 480V, 2-pole bolt-on breaker delivers precise protection with a secure, long-lasting mount. Its targeted features—secure bolt-on installation, a reliable thermal-magnetic trip, and OEM-aligned compatibility—translate into fewer nuisance trips, easier service, and predictable electrical safety for your distribution system.

Ideal scenarios include distributing 480 V loads across commercial electrical rooms, protecting critical branch circuits in light industrial setups, or upgrading residential panelboards that require a durable, high-capacity breaker. Choose the Siemens BQD2100 for a dependable, industry-aligned solution that keeps your electrical infrastructure resilient and compliant.