Automatic circuit breaker, b-characteristic
One, two, three and four pole versions available
Safe clamps according to DIN 50,274 (VDE 0660, part of 514)
Connection of single or multiple wires with different cross sections, possible
Range of application: Lamps, heater loads, households and small industrial units
Universal signal contact/auxiliary switch (1- Change Over Switch) under Stock No. 488-6448 separately available
Release characteristic: B (3 to 5 times the nominal current)
Operating current: 6 - 40A
Operating Voltage: 1-pole: 230VAC multipolar: 400VAC
Frequency: 50/60Hz
Capacity: 6kA
Cross section for connection: 0.75 - 25mm²
Enclosure: IP20
Equipment depth: 68mm
Ambient temperature: -25°C to +55°C

This miniature circuit breaker (MCB) is suitable for commercial and industrial applications. It provides short circuit protection and enhances the safety of electrical installations. With a current rating of 20 A and a nominal voltage of 400V, this device is essential for users in various environments.

• Type B tripping characteristic ensures effective overload protection
• Thermal electromechanical operation improves functionality and reliability
• Designed for disassembly to support sustainability
• Screw terminal contact type enables secure connections
• Compact design allows for straightforward installation on standard DIN rail
• High breaking capacity of 10kA accommodates maximum voltage ratings

• Protects circuits in various commercial environments
• Suitable for industrial installations requiring robust safety
• Ideal for machinery and equipment needing dependable protection
• Appropriate for use in building services and automation systems

The device is designed for DIN rail mounting, making installation secure and uncomplicated.

It is equipped with high breaking capacity to effectively interrupt fault currents, providing crucial protection.

Yes, it can easily replace outdated breakers in existing panels for improved performance.

Regular visual inspections and ensuring secure electrical connections are recommended.

The device is primarily intended for indoor use