Q115u Circuit Breaker, Single Pole, 15a, 120/240v

The Siemens MP115 single-pole circuit breaker provides reliable overload and short-circuit protection for residential and light-commercial electrical systems. Engineered for compact 1-inch panel spaces, this breaker fits seamlessly into Siemens load centers and is compatible with multiple breaker types including American Switch, Westinghouse Type BR, Bryant, Challenger, and others. It safeguards your home's electrical system against hazardous currents, reduces fire risk, and ensures consistent power delivery to essential circuits.

This single-pole breaker is ideal for dedicated 120-volt branch circuits serving lighting, outlets, and small appliances. With its thermal-magnetic trip mechanism, the breaker delivers instant response to short circuits while providing gradual overload protection, extending the life of connected devices and giving you peace of mind during peak usage periods.

Features and Benefits

• 15-Amp Rating: Provides optimal protection for 120-volt circuits while meeting NEC requirements for residential wiring.
• Single-Pole Design: Occupies only one 1-inch space per pole, ideal for crowded panels and simplifying installation and space management.
• Insta-Wire Technology: Time-saving feature allows easy plug-in connections and accepts #14–6 AWG copper or aluminum wire.
• Thermal-Magnetic Trip: Combines instant short-circuit response with gradual overload protection for enhanced device protection.
• 10,000 AIC Interrupting Rating: Delivers robust protection for enhanced system reliability and safety.
• UL Listed and SWD Rated: Certified to rigorous industry standards with support for 120 VAC fluorescent lighting, ensuring code compliance.

Specifications

• Brand: Siemens
• Model: Q115U (Type MP-T)
• Amperage: 15 A
• Poles: Single Pole (1-Pole)
• Voltage: 120/240 V
• Panel Width: 1 inch per pole
• Trip Type: Non-Interchangeable, Thermal-Magnetic
• Wire Size: #14–6 AWG copper or aluminum
• Interrupting Rating: 10,000 AIC
• Color: Black
• Certifications: UL Listed, SWD Rated