Eaton FAZ-C4/1 Miniature Circuit Breaker Type C, 1-Pole, 4 A, 10 kA, DIN Rail 278553

Electricians and panel builders rely on the Eaton FAZ-C4/1 miniature circuit breaker to protect circuits in residential and commercial distribution boards. This 1-pole MCB with Type C tripping characteristic handles moderate inrush currents from motors and lighting, while its 10 kA breaking capacity ensures safe interruption of short-circuit currents up to 10,000 amperes.

Key specifications

• Rated current: 4 A
• Tripping characteristic: Type C
• Number of poles: 1
• Rated voltage: 230/400 V AC
• Breaking capacity: 10 kA
• Frequency: 50/60 Hz
• Mounting: DIN rail
• Terminal capacity: 1 – 25 mm²
• Electrical life: >10,000 operations
• Mechanical life: >20,000 operations

Why choose it

The FAZ-C4/1 offers reliable protection and easy installation. Its screw terminals accept solid or stranded conductors up to 25 mm², and the compact 1-pole design saves space in distribution boards. The Type C curve is ideal for circuits with moderate inrush currents, preventing nuisance tripping while ensuring safety.

Ideal use cases

• Protection of lighting circuits in homes and offices
• Control circuits in industrial panels
• Small motors and transformers
• Distribution boards in commercial buildings

Good to know

The breaker operates in ambient temperatures from -25 °C to +75 °C and has a pollution degree of 2, making it suitable for typical indoor environments. Its energy limiting class 3 ensures effective current limitation during faults.