Siemens FXD62B090L - 90 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState

When your panel demands reliable, heavy-duty protection that stands up to vibration and demanding duty cycles, the Siemens FXD62B090L 90A, 600V, 2-pole bolt-on molded case circuit breaker is engineered to deliver. This device provides dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters, keeping critical circuits protected with precision and confidence.

Why this FXD62B090L stands out

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays tight, reducing the risk of loose connections in environments subject to movement or equipment vibration.
• Thermal-magnetic trip unit offers stable, repeatable protection—initiating fast response to short circuits while minimizing nuisance trips during normal inrush or startup surges.
• 2-pole design ensures simultaneous disconnection of both hot conductors on 240V circuits, enhancing safety and compliance for multi-wire branches.
• 90A, 600V rating makes it ideal for feeder protection and branch circuits in residential setups, small to mid-size commercial spaces, and light industrial applications.
• Molded case construction combines durability with reliable performance across temperature and humidity variations, reducing maintenance concerns.
• OEM compatibility designed to work with matching Siemens OEM load centers and panelboards, simplifying installation and replacement without compromising system coordination.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: FXD62B090L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 600V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Residential panelboards needing robust 240/120V protection for larger feeders or subfeed circuits.
• Commercial panelcenters and light industrial panels where vibration resistance and reliable trip performance are essential.
• Replacement in Siemens-based installations to maintain system coordination and OEM-fitment without compromising protection standards.
• Situations requiring a secure bolt-on solution that resists loosening in setups with motors, pumps, or other equipment that create inrush and transient loads.

Choosing the FXD62B090L means selecting a well-proven solution for dependable overcurrent and short-circuit protection with a clear advantage in stability, durability, and compatibility. If your panel system calls for solid two-pole, bolt-on protection at 90A and 600V, this Siemens breaker is designed to meet and exceed those requirements—delivering consistent performance, easier installation, and long-term reliability.