Overview
The Westinghouse A14B1805C6 circuit breaker is a single-phase, single-throw protective device rated for 120A at 120V AC. This Westinghouse A14B1805C6 model integrates the design standards of legacy Westinghouse electrical equipment, commonly found in industrial control panels and commercial switchgear applications. As a used unit, it remains a cost-effective option for panel upgrades, maintenance replacements, or system rebuilds where exact form-factor compatibility is required.
Key Features
- Single-phase, single-gang configuration with two-position throw
- 120-ampere rated trip current for branch circuit protection
- 120V AC rated voltage—suitable for low-voltage control circuits and single-phase loads
- Industrial-grade thermal-magnetic trip mechanism for reliable fault detection
- Standard DIN-style or bolt-on mounting compatible with legacy Westinghouse panelboards
Technical Specifications
The following specifications define the electrical and mechanical characteristics of this breaker unit:
- Ampere Rating: 120 A
- Voltage Rating: 120 V AC
- Phases: Single-phase
- Poles: Single pole
- Throw Type: Single throw
- Positions: 2
- Series/Model: AF-33-600-22278 A1 / MILC-8379A / A14B1805C6
- Mounting Style: Bolt-on or DIN rail (verify with system integrator)
- Trip Function: Thermal-magnetic
- Condition: Used, fully functional
Typical Applications
The Westinghouse A14B1805C6 is commonly deployed in:
- Industrial motor control centers and starter panels
- Commercial lighting distribution circuits
- HVAC control and signaling circuits requiring single-phase protection
- Low-voltage DC/AC supply feeders
- Legacy Westinghouse switchgear modernization and retrofit projects
Compatibility & Replacements
Compatible With
- Westinghouse AF-series panelboards and switchgear
- Single-phase 120V AC industrial control systems
- Standard electrical distribution cabinets with bolt-on or DIN-rail mounting
- Legacy electrical equipment retrofit and modernization applications
Replaces / Drop-In Replacement For
This unit is designed to fit the Westinghouse AF-33-600-22278 A1 and MILC-8379A mounting frames. Verify exact mounting and terminal compatibility with your original equipment before installation. Alternative Westinghouse breaker models in similar amperage and voltage ranges may exist; consult your system integrator for equivalent substitutes.
Works With
- 120V AC single-phase power distribution circuits
- Thermal-magnetic fault protection schemes
- Standard electrical panelboard wiring practices (per NEC guidelines)
- Bolt-on and DIN-rail mounting standards common to industrial switchgear
