Overcurrent circuit breaker Icn=6000A 3P B 32A QuickConnect MBS332

3-pole overcurrent circuit breaker – reliable installation protection

This three-pole circuit breaker from Hager's QuickConnect series is a key element of every safe and efficient electrical installation. Designed to protect circuits against overload and short circuit, it provides reliable operation in homes, commercial and industrial buildings. Its B characteristic makes it ideal for circuits with devices with high inrush current, such as motors or transformers.

Features and application

The MBS332 circuit breaker is characterized by a rated current of 32A and a short-circuit breaking capacity of up to 6kA at 230V AC (according to PN-EN 60898-1). Thanks to energy limitation class 3, it effectively minimizes the effects of short circuits. DIN rail mounting and a width of 3 modules make it easy to integrate with existing distribution boards. The use of QuickConnect technology significantly speeds up and simplifies the installation process – simply snap the wires in instead of tedious screwing. This solution is appreciated by both professionals and end users.

Advantages for installers and users

• Quick installation: The QuickConnect system allows for lightning-fast connection of wires, reducing installation time by up to several dozen percent.

• Safety: Constant spring connection ensures a secure contact and minimizes the risk of wires loosening, increasing safety.

• Convenient servicing: Easy replacement of the circuit breaker without the need to disassemble other elements of the distribution board facilitates maintenance and repair work.

• Versatility: A wide range of wire cross-sections (1-35mm² for solid and 1-25mm² for stranded) allows for use in various types of installations.

• Durable construction: Made of high-quality materials, it guarantees long-lasting and trouble-free operation.

• Clear identification: A transparent flap on the housing allows you to place labels describing the circuit, which facilitates identification in the future.

• Compliance with standards: Meets the requirements of IEC EN 60898-1, ensuring compliance with applicable safety regulations.

Technical parameters in practice

The circuit breaker has a rated voltage of 400V AC and an insulation voltage of 500V. The rated impulse withstand voltage is as high as 4kV, which ensures resistance to overvoltage. A wide range of operating temperatures (-25°C to +70°C) allows it to be used in various environmental conditions. The degree of protection IP20 protects against finger contact, but does not provide protection against water ingress. The cross-section of the connected wire can be adapted to the needs of the installation – from thin signal wires to thicker power wires.