Noark Ex9BN 3P C20 Miniature Circuit Breaker 6kA 20A 3-Pole C-Curve MCB

The Noark Ex9BN 3P C20 is a high-quality miniature circuit breaker (MCB) designed for reliable overcurrent protection in residential, commercial, and industrial electrical installations. With a 3-pole configuration, C-trip curve, and a rated current of 20 A, this MCB ensures safe and efficient operation of your electrical circuits.

Advantages

This MCB offers robust protection against overloads and short circuits, with a breaking capacity of 6 kA. Its compact design fits standard DIN rail mounting, making installation quick and easy. The clear ON/OFF position indicator provides immediate visual status, enhancing safety during maintenance.

Suitable for

• Distribution boards in residential and commercial buildings
• Industrial control panels
• Protection of lighting, heating, and motor circuits
• General-purpose overcurrent protection in 400 V AC systems

Key specifications

• Brand: Noark
• Model: Ex9BN 3P C20
• MPN: 100144
• EAN: 8592765001450
• Type: Miniature Circuit Breaker (MCB)
• Number of Poles: 3P (3-pole)
• Rated Current (In): 20 A
• Tripping Curve: C
• Short-circuit Breaking Capacity (Icn): 6 kA
• Rated Voltage (Ue): 400 V AC
• Rated Frequency: 50/60 Hz
• Mounting Type: DIN Rail (EN 60715)
• Standard: IEC/EN 60898-1
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Terminal Capacity (Solid): 1-25 mm²
• Terminal Capacity (Flexible): 1-16 mm²
• Protection Degree: IP20 (Terminals)
• Operating Temperature Range: -35°C to +70°C
• Energy Limiting Class: 3
• Connection Type: Screw terminals
• Indication: ON/OFF position indicator
• Overvoltage Category: III
• Pollution Degree: 2

Recommendations

For optimal performance, pair this MCB with Noark residual current devices (RCDs) and enclosures. Always follow local electrical codes and regulations during installation. Ensure the circuit is de-energized before installation or maintenance.