Eaton FAZ-B10/1 Miniature Circuit Breaker, 1-Pole, 10 A, Type B, 6 kA, 230/400 V AC 278531

The Eaton FAZ-B10/1 delivers a 6 kA rated switching capacity in a compact 1-module housing, making it a robust choice for protecting circuits against overload and short-circuit currents. This 1-pole miniature circuit breaker (MCB) is rated at 10 A with a Type B tripping characteristic, ideal for residential and commercial applications with moderate inrush currents.

Overview

Engineered to IEC/EN 60898-1, the FAZ-B10/1 offers reliable protection for lighting and socket circuits. Its screw terminals accept conductors from 1 to 25 mm², ensuring secure connections. The breaker mounts on standard 35 mm DIN rails (EN 60715) and occupies just one module width (17.5 mm), saving space in distribution boards.

What stands out

• High breaking capacity of 6 kA for dependable short-circuit interruption.
• Type B characteristic trips between 3 and 5 times rated current, suitable for general-purpose circuits.
• Wide operating temperature range from -25°C to +75°C.
• Energy limiting class 3 reduces let-through energy, protecting downstream equipment.
• Mechanical endurance of 20,000 operations and electrical endurance of 10,000 operations.

Technical details

• Rated voltage: 230/400 V AC
• Frequency: 50/60 Hz
• Rated impulse withstand voltage: 4 kV
• Degree of protection: IP20 (terminals)
• Mounting: DIN rail (EN 60715)

Our verdict

A dependable and space-efficient MCB for standard residential and commercial installations, offering solid performance and ease of installation.