Siemens Q245H - 45 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Siemens Q245H is a 45A, 240V, 2-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit protection in panelboards and load centers. Its plug-in design makes installation and replacements faster, reducing downtime and service interruptions.

What makes it stand out

• Fast plug-in connection enables quick installation and effortless replacement in compatible Siemens panelboards and load centers.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, helping prevent nuisance trips while safeguarding circuits.
• OEM-compatible for Siemens panelboards ensures a precise fit and reliable operation with matching equipment.
• Versatile for multiple environments suitable for residential, commercial, and light industrial applications.

Technical specifications

• Manufacturer: Siemens
• Part number: Q245H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 45A
• Voltage rating: 240V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Replacing a failed breaker in existing Siemens panelboards or load centers
• Adding or upgrading a 240V branch circuit in residential or light commercial settings
• Maintenance-friendly replacement with a quick swap due to the plug-in design

Why choose Siemens Q245H: It combines fast installation, reliable thermal-magnetic protection, and OEM compatibility in a compact, plug-in package—so you can protect your electrical system with confidence and keep projects moving.