Eaton FAZ-B20/3 Miniature Circuit Breaker 3-Pole Type B 20A 230/400V 278848

Protect electrical circuits from overload and short circuits with the Eaton FAZ-B20/3 miniature circuit breaker. This 3-pole Type B MCB delivers reliable protection for commercial and industrial applications, ensuring safe operation of three-phase systems.

Who is it for

Electricians, panel builders, and facility managers who need dependable circuit protection for three-phase installations. Ideal for distribution boards and control panels in commercial buildings and industrial environments.

Main features

• 3-pole design for three-phase circuits
• Type B tripping characteristic for standard loads
• Rated current of 20 A
• Breaking capacity of 6 kA
• DIN rail mounting for easy installation

Specifications

• Number of poles: 3
• Tripping characteristic: B
• Rated current: 20 A
• Rated operational voltage: 230/400 V AC
• Rated insulation voltage: 440 V
• Rated impulse withstand voltage: 4 kV
• Rated short-circuit breaking capacity: 6 kA
• Frequency: 50/60 Hz
• Energy limitation class: 3
• Mounting type: DIN rail
• Terminal type: Screw terminals
• Conductor cross-section solid: 1 - 25 mm²
• Conductor cross-section flexible: 1 - 16 mm²
• Degree of protection terminals: IP20
• Degree of protection installed: IP40
• Ambient operating temperature: -25 to +75 °C
• Standards: IEC/EN 60898-1
• Module width: 3 (52.5 mm)

Tips

Ensure proper sizing by verifying the load current does not exceed 20 A. For three-phase motors or other inductive loads, consider a Type C or D characteristic if inrush currents cause nuisance tripping.