Overview
The ITE QP1-B050 is a single-pole, thermal-magnetic circuit breaker designed for overcurrent protection in residential and light commercial electrical systems. This Type EQ-P breaker provides dependable performance and meets industry safety standards for branch circuit protection.
Key Features
- Single-pole configuration for 120V branch circuits
- 50-amp rated capacity for standard residential loads
- Type EQ-P design with thermal-magnetic trip mechanism
- UL and CSA listed for safety compliance
- Compact form factor for standard breaker panels
Technical Specifications
- Poles: 1 pole
- Amperage Rating: 50A
- Voltage Rating: 120/240V AC
- Frequency: 60 Hz
- Breaker Type: Thermal-magnetic
- Series/Style: Type EQ-P
- Certifications: UL and CSA listed
- Interrupting Capacity: 10,000 amperes (typical)
Typical Applications
The QP1-B050 is commonly used in single-family residences, light commercial buildings, and industrial control panels where branch circuit protection is required. It protects against overcurrent conditions in standard wiring systems operating at 120V.
Compatibility & Replacements
Compatible With
- Standard ITE/Siemens EQ-P plug-in breaker panels
- 120V single-phase branch circuits
- Residential and light commercial electrical systems
- Main breaker panels rated for Type EQ-P breakers
Replaces / Drop-In Replacement For
- ITE EQ-P 50A single-pole breakers (legacy configurations)
- Older ITE Gould circuit breakers of equivalent rating
- Verify compatibility with your system integrator before ordering for critical replacements
Works With
- ITE/Siemens main breaker panels and subpanels
- Type EQ-P breaker spaces and configurations
- Standard 120/240V AC electrical systems
- Modern Siemens replacements available for new installations




