EATON HN-B20/3 Miniature Circuit Breaker B 20A 3P 3M 6KA

The EATON HN-B20/3 is a high-quality miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical installations. With a rated current of 20 A and a B tripping curve, it is ideal for protecting lighting circuits, socket outlets, and other resistive or slightly inductive loads. This 3-pole MCB features a short-circuit breaking capacity of 6 kA and complies with IEC/EN 60898-1 standards, ensuring safety and performance in residential, commercial, and industrial applications.

Advantages

• Reliable overcurrent and short-circuit protection
• Compact 3-module design (52.5 mm) for space-saving DIN rail mounting
• High breaking capacity of 6 kA for enhanced safety
• Wide operating temperature range (-25 to +70 °C)
• Long electrical and mechanical endurance (10,000/20,000 cycles)
• Screw terminals for secure and easy wiring

Suitable for

• Lighting circuits
• Socket outlets
• Small motor protection
• Residential and commercial distribution boards
• Industrial control panels

Key specifications

• Product Type: Miniature Circuit Breaker (MCB)
• Rated Current: 20 A
• Number of Poles: 3-Pole
• Tripping Curve: Type B
• Short-Circuit Breaking Capacity (Icn): 6 kA
• Rated Voltage (Ue): 230/400 V AC
• Frequency: 50/60 Hz
• Mounting Type: DIN Rail
• Module Width: 3 Modules (52.5 mm)
• Standard Compliance: IEC/EN 60898-1
• Terminal Type: Screw terminals
• Terminal Capacity (Solid Conductor): 1-25 mm²
• Terminal Capacity (Flexible Conductor): 1-16 mm²
• Degree of Protection: IP20 (terminals), IP40 (enclosure)
• Operating Temperature: -25 to +70 °C
• Rated Insulation Voltage (Ui): 500 V
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles

Recommendations

For optimal protection, ensure the MCB is installed by a qualified electrician and used within its rated specifications. Always verify compatibility with your distribution board and load requirements.