EATON HN-B25/3 Miniature Circuit Breaker B 25A 3P 3M 6KA

The EATON HN-B25/3 is a high-quality miniature circuit breaker (MCB) designed for reliable overcurrent protection in electrical installations. With a rated current of 25 A, 3 poles, and a B tripping curve, it ensures safe operation for residential and commercial applications. Compliant with IEC/EN 60898-1, this MCB offers a short-circuit breaking capacity of 6 kA and is suitable for DIN rail mounting.

Advantages

This MCB provides robust protection against overloads and short circuits, ensuring the safety of electrical circuits and connected devices. Its compact 3-module design saves space in distribution boards, while the screw terminals allow for secure and easy wiring. With high electrical and mechanical endurance, it guarantees long-lasting performance.

Suitable for

• Overcurrent protection in residential and commercial electrical panels
• Protection of lighting, socket outlets, and small appliances
• Installations requiring B-curve tripping characteristics for resistive or light inductive loads

Key specifications

• Rated current: 25 A
• Number of poles: 3
• Tripping curve: B
• Short-circuit breaking capacity (Icn): 6 kA
• Rated voltage: 230/400 V AC
• Frequency: 50/60 Hz
• Mounting: DIN rail
• Module width: 3 modules (54 mm)
• Standard: IEC/EN 60898-1
• Electrical endurance: 10,000 cycles
• Mechanical endurance: 20,000 cycles
• Degree of protection: IP20 (terminals)
• Connection type: Screw terminals
• Terminal capacity (solid): 1 - 25 mm²
• Terminal capacity (flexible): 1 - 16 mm²
• Operating temperature: -25 to +70 °C
• Pollution degree: 2
• Rated impulse withstand voltage (Uimp): 4 kV
• Energy limiting class: 3

Recommendations

For optimal protection, ensure the MCB is installed by a qualified electrician and that the rated current matches the circuit requirements. Regular testing is recommended to maintain safety.