Noark EX9BN 3P C25 Miniature Circuit Breaker 25A 6kA Curve C

The Noark EX9BN 3P C25 is a high-quality miniature circuit breaker (MCB) designed for reliable overload and short-circuit protection in residential, commercial, and industrial electrical installations. With a rated current of 25A and a tripping curve C, this 3-pole MCB ensures safe and efficient operation for circuits with moderate inrush currents, such as lighting and motor loads. Compliant with EN 60898-1, it offers a breaking capacity of 6 kA and is suitable for 230/400 V AC systems.

Advantages

This MCB provides robust protection with a compact design, easy DIN rail mounting, and clear ON/OFF position indicator. Its high electrical endurance (10,000 cycles) and mechanical endurance (20,000 cycles) guarantee long service life. The screw terminals accommodate rigid conductors up to 35 mm² and flexible up to 25 mm², ensuring secure connections.

Suitable for

• Residential distribution boards
• Commercial lighting and power circuits
• Industrial control panels
• Protection of cables and equipment against overloads and short circuits

Key specifications

• Product Type: Miniature Circuit Breaker (MCB)
• Series: EX9BN
• Number of Poles: 3P
• Rated Current (In): 25 A
• Tripping Curve: C
• Rated Short-Circuit Breaking Capacity (Icn): 6 kA
• Rated Voltage (Ue): 230/400 V AC
• Rated Frequency: 50/60 Hz
• Standard Compliance: EN 60898-1
• Energy Limiting Class: 3
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Terminal Capacity (Rigid): 1-35 mm²
• Terminal Capacity (Flexible): 1-25 mm²
• Mounting Type: DIN Rail (EN 60715)
• Protection Degree (Terminals): IP20
• Operating Temperature Range: -35°C to +70°C
• Connection Type: Screw Terminals
• Indicator: ON/OFF Position
• Protection Functions: Overload, Short-Circuit

Recommendations

For optimal performance, ensure the MCB is installed by a qualified electrician and used within its rated specifications. Pair with appropriate Noark accessories for enhanced functionality.