NOARK Ex9BN 1P B10 Miniature Circuit Breaker 10A 6kA

With a short-circuit breaking capacity of 6 kA, the NOARK Ex9BN 1P B10 miniature circuit breaker delivers dependable protection for residential and commercial circuits. Rated at 10 A with a B tripping curve, it responds quickly to overloads and short circuits, safeguarding wiring and connected equipment.

Overview

The Ex9BN series is engineered for reliable performance in distribution boards and consumer units. This single-pole MCB is designed for DIN rail mounting, ensuring a secure fit in standard enclosures. Its screw terminals accept conductors from 1 to 25 mm², providing flexibility for various wiring configurations. The breaker features a clear ON/OFF position indicator for easy status identification at a glance.

What stands out

• High 6 kA breaking capacity for robust short-circuit protection
• B tripping curve ideal for general-purpose circuits with moderate inrush currents
• Wide operating temperature range from -35 °C to +70 °C
• Energy limiting class 3 reduces let-through energy, protecting downstream equipment
• Complies with EN 60898-1, ensuring safety and reliability

Technical details

• Number of poles: 1P
• Rated current: 10 A
• Tripping curve: B
• Rated voltage: 230/400 V AC
• Rated insulation voltage: 500 V
• Rated impulse withstand voltage: 6 kV
• Frequency: 50/60 Hz
• Electrical endurance: 10,000 cycles
• Mechanical endurance: 20,000 cycles
• Mounting: DIN rail (EN 60715)
• Terminal capacity: 1-25 mm² (solid/stranded)
• Protection degree: IP20 (terminals)
• Connection type: Screw terminals
• Indicator: ON/OFF position indicator

Our verdict

A compact and dependable MCB that meets essential protection requirements. Its 6 kA breaking capacity and B curve make it a solid choice for lighting and socket circuits in residential and light commercial installations.