The Siemens Q250 2‑Pole 50 Amp circuit breaker is a high‑quality thermal‑magnetic breaker engineered to deliver reliable overcurrent protection for residential and light commercial electrical systems. Designed for use in Siemens load centers and panelboards, this breaker helps protect wiring, equipment, and connected devices from damage caused by overloads and short circuits.

Built to Siemens’ exacting manufacturing standards, the Q250 breaker offers consistent performance, dependable tripping accuracy, and long service life. Its compact, plug‑on design allows for fast installation while maintaining a secure electrical connection within compatible Siemens panels. This breaker is commonly used for 240V applications such as HVAC equipment, electric water heaters, ranges, dryers, and other high‑demand circuits.

The Siemens QP series is widely recognized for durability and precise protection, making the Q250 an excellent choice for contractors, electricians, maintenance teams, and facility managers who require safe, code‑compliant circuit protection.

Key Features

• 2‑pole design provides simultaneous disconnection of both hot conductors
• 50 amp rating supports medium‑to‑high load 240V branch circuits
• Thermal‑magnetic trip mechanism protects against overloads and short circuits
• Plug‑on mounting format allows quick, secure installation
• Engineered exclusively for Siemens Type QP load centers and panelboards
• Reliable tripping performance helps reduce risk of equipment damage
• Designed for long‑term durability in residential and light commercial environments
• Meets applicable UL safety standards for circuit protection

Specifications

• Manufacturer: Siemens
• Series: Type QP
• Catalog Number: Q250
• Number of Poles: 2
• Amperage Rating: 50 Amps
• Voltage Rating: 120/240 VAC
• Frequency: 60 Hz
• Breaker Type: Thermal‑Magnetic
• Mounting Method: Plug‑On
• Trip Curve: Standard
• Interrupting Rating: 10,000 AIC at 120/240V
• Application Environment: Indoor (when installed in approved enclosure)
• Compliance: UL Listed

Applications

• Electric water heaters
• HVAC condensers and air handlers
• Electric ranges and cooktops
• Clothes dryers
• Sub‑panels and feeder circuits
• Commercial equipment requiring 50A 240V power
• General purpose branch circuit protection in Siemens panels