Square D THQL1115 15A Single Pole Circuit Breaker

Product Description

The SQUARE D THQL1115 is a 15 amp, single-pole, plug-in circuit breaker designed for use in residential and light commercial load centers. Rated for 120/240 volt AC service with a 10 kiloamp interrupting rating, this non-interchangeable breaker provides reliable branch circuit protection in panel applications. It features quick-make/quick-break switching mechanisms that deliver consistent, repeatable operation. A trip indicator makes it easy to identify a tripped breaker at a glance, reducing diagnostic time during service calls. Licensed electricians and panel technicians are the primary installers for this type of breaker.

This breaker is suited for branch circuit protection in residential and light commercial load centers. The plug-in mounting style allows direct installation into compatible load center bus bars without additional hardware. It accepts wire sizes from 14 to 8 AWG, covering the full range of standard 15-amp branch circuit wiring. The THQL1115 is also rated suitable for reverse feed applications, giving installers added flexibility in certain panel configurations. Common trip bar design supports safe, code-compliant installation practices.

Key Features

• 15 amp, single-pole rating for standard 120-volt branch circuit protection
• 10 kiloamp interrupting rating for fault current protection
• Quick-make/quick-break mechanism for consistent switching performance
• Trip indicator provides fast visual confirmation of tripped status
• Plug-in mounting for straightforward load center installation
• Rated suitable for reverse feed applications

Compatibility

Designed as a plug-in, non-interchangeable circuit breaker for use in compatible load centers. Consult the load center manufacturer's approved breaker list before installation to confirm fitment.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize the load center and verify the main breaker is off before handling any internal panel components. Use a torque screwdriver to secure conductors to terminal lugs per the terminal markings on the breaker. Do not install this breaker in a panel that requires an interchangeable-style breaker.

Technical Specifications

• Current Rating: 15 amps
• Voltage Rating: 120/240 volts AC
• Interrupting Rating: 10 kiloamps
• Number of Poles: 1
• Mounting Type: Plug-In
• Type: Non-Interchangeable
• Used On: Load Center
• Wire Size: 14 to 8 AWG
• Approval: UL E11592

Standard Information

• Brand: SQUARE D
• Manufacturer Part Number: THQL1115