Overview
The Eaton FAZ-C15/3 is a UL 1077 supplementary protector designed for industrial control panel applications requiring branch circuit protection. This 15A, 3-pole miniature circuit breaker features a C-curve trip characteristic with a 15 kAIC interrupting capacity, making it ideal for circuits with medium inrush current levels such as small transformers and control devices.
Key Features
- 5-10X trip range for C-curve protection—responding to medium inrush currents
- DIN rail mounting with long-time and instantaneous tripping functions
- Screw terminal connections rated for 18 to 6 AWG wire
- 50-60 Hz rated for North American and international applications
- Compact design for space-constrained panel layouts
- Meets UL 1077 supplementary protector standards
Technical Specifications
- Current Rating: 15A
- Poles: 3-pole
- Voltage Rating: 277/480V AC
- Interrupting Capacity: 15 kAIC
- Trip Characteristic: C-curve
- Mounting: DIN rail
- Terminal Type: Standard screw terminals
- Frequency: 50-60 Hz
- Operating Temperature: -40 to +75°C
- Enclosure Rating: IP20
- Dimensions: 2.1 × 2.97 × 4.13 inches
Typical Applications
- Control panel protection and circuit branch protection
- Small transformer and pilot device protection
- Industrial automation and process control systems
- Building automation and HVAC control circuits
- Factory and manufacturing equipment circuits
Compatibility & Replacements
Compatible With
- Standard DIN rail enclosure systems
- Industrial control panels up to 480V AC
- Eaton xEffect and FAZ circuit breaker series ecosystems
- North American and IEC-standard control cabinets
Replaces / Drop-In Replacement For
- Eaton FAZ-C15/3-NA (direct equivalent with screw terminals)
- Other 15A 3-pole DIN rail miniature circuit breakers in legacy installations
Works With
- DIN-rail mounting systems and standard panel busses
- Eaton Power Management Control System (PMCS) architectures
- Industrial automation platforms requiring thermal-magnetic protection
- NFPA 70 (NEC) compliant electrical installations






