QRH23B125 - 125 Amp Circuit Breaker

QRH23B125 - 125 Amp Circuit Breaker

Protect your electrical system with confidence using the Siemens QRH23B125 circuit breaker. Designed for both residential and light commercial use, this 125 A, 3-pole molded-case breaker is engineered to guard your circuits from overloads and short circuits up to 25 kA at 240 VAC. It delivers dependable performance in a compact package that fits cleanly into standard panels while still providing serious protection.

Whether you're wiring a 3-phase motor, an HVAC branch, or a multi-unit panel, the QRH23B125 offers peace of mind and straightforward installation.

Key Features and Benefits

• Keeps three-phase circuits safe from short circuits and overloads up to 25,000 amps (25 kA) at 240 VAC
• Compact dimensions and moderate weight make it compatible with many breaker panels
• Load-side lugs simplify wiring and reduce installation time
• Durable molded-case construction resists wear and handles typical field conditions
• HACR-rated, making it suitable for heating, air conditioning, and refrigeration systems
• Rated to operate reliably in ambient temperatures up to 40 °C

Technical Specifications

• Amperage: 125 A
• Poles: 3
• Interrupting Capacity (A.I.C.): 25 kA @ 240 VAC
• Frame Type: QRH2 series molded case
• Dimensions: Height: ~7.0 in
• Weight: ~4.5 lb

Material Compliance and Certifications

• HACR-rated — cleared for use with HVAC and refrigeration circuits
• A molded thermoset case and QRH2 frame ensure consistent performance over time
• Meets industry safety and reliability standards for circuit protection

Where It Works Best

• Residential or light commercial distribution panels
• HVAC systems and motor loads in 240 VAC circuits
• Any 3-phase branch circuits needing dependable overload/short-circuit protection