EATON HN-B20/1 Miniature Circuit Breaker MCB 20A 1P 6kA Type B

The EATON HN-B20/1 is a high-quality miniature circuit breaker (MCB) from the HN series, designed for reliable overcurrent protection in residential and commercial electrical installations. With a rated current of 20 A and a tripping characteristic of Type B, it ensures safe disconnection in case of overloads and short circuits. This single-pole breaker occupies just 1 module width and is easy to install on DIN rails.

Advantages

Compact 1-module design saves space in distribution boards. Type B tripping curve is ideal for resistive and lighting loads. High breaking capacity of 6 kA provides robust protection. Complies with IEC/EN 60898-1 standards for safety and reliability.

Suitable for

• Overcurrent protection of lighting circuits
• Protection of socket outlets and small appliances
• Residential and light commercial electrical panels

Key specifications

• Rated current: 20 A
• Tripping characteristic: Type B
• Number of poles: 1P
• Short-circuit breaking capacity: 6 kA
• Rated voltage: 230 V AC
• Rated frequency: 50/60 Hz
• Mounting: DIN rail (EN 60715)
• Module width: 1 module
• Terminal type: Screw terminals
• Terminal capacity: 1-25 mm²
• Energy limiting class: 3
• Electrical endurance: ≥ 10,000 cycles
• Mechanical endurance: ≥ 20,000 cycles
• Protection degree: IP20 (terminals), IP40 (enclosure)
• Ambient temperature: -25 to +55 °C
• Standards: IEC/EN 60898-1

Recommendations

For optimal performance, ensure the breaker is installed by a qualified electrician and used within its rated parameters. Pair with compatible EATON distribution boards and accessories.