ABB S201-B6 Low Voltage Breaker 6A System pro M

The ABB S201-B6 System pro M compact miniature circuit breaker (MCB) is engineered for reliable overcurrent protection in low-voltage electrical installations, offering robust performance and a compact footprint. This 6A Type B breaker is designed to safeguard circuits against overload and short-circuit conditions, ensuring operational continuity and safety for a wide range of applications. Its core advantage lies in its adherence to stringent international standards, coupled with ABB's renowned quality and innovative design. Key technical parameters include a rated voltage of 230/400V AC, a breaking capacity of 6kA, and a tripping characteristic of Type B, making it suitable for sensitive electronic equipment and general-purpose load protection.

Product Specifications

| Feature                  | Specification                                  |

| :----------------------- | :--------------------------------------------- |

| Product Name             | S201-B6 System pro M compact MCB               |

| Rated Current (I n )     | 6 A                                            |

| Tripping Characteristic  | Type B                                         |

| Number of Poles          | 1                                              |

| Rated Voltage (U n )     | 230/400 V AC                                   |

| Frequency                | 50/60 Hz                                       |

| Breking Capacity (I c of) | 6 A A Ri

| Protection Type          | Overcurrent, Short Circuit                     |

| Connection Type          | Screw Terminals                                |

| Mounting Type            | DIN Rail (35 mm)                               |

| Protection Degree        | IP20                                           |

| Standards                | IEC/EN 60898-1, IEC/EN 60947-2                 |

| Operating Temperature    | -25 °C to +55 °C                               |

| Dimensions (H x W x D)   | 88 x 18 x 69 mm                                |

| Color                    | White/Light Gray                               |

Core Features & Market Positioning

The ABB S201-B6 distinguishes itself through its superior tripping accuracy and rapid response to fault currents, a critical factor in preventing equipment damage and ensuring personnel safety. Its System pro M designation signifies its integration within ABB's comprehensive modular system, allowing for seamless compatibility with other ABB protective devices and components. This modularity facilitates efficient design and assembly of control panels and distribution boards. The Type B tripping curve offers a low magnetic tripping threshold, typically between 3 to 5 times the rated current, making it ideal for circuits with low inrush currents or protecting sensitive electronic loads where fast intervention is paramount. ABB's established reputation for reliability and innovation solidifies the S201-B6's position as a trusted solution in the competitive low-voltage circuit breaker market.

Key Application Scenarios

The ABB S201-B6 finds extensive use in residential, commercial, and light industrial electrical distribution systems. Its 6A rating and Type B characteristic are particularly well-suited for protecting circuits supplying lighting, general power outlets, and sensitive electronic equipment such as control systems, small motors, and UPS units that may experience low-level inrush currents. This breaker is a standard component in main distribution boards, sub-distribution boards, and custom-built electrical enclosures where precise overcurrent protection is required without nuisance tripping. Its compatibility with standard 35mm DIN rails ensures easy integration into existing or new panel builds across various sectors.

Practical System Integration Guidance

Integrating the ABB S201-B6 is straightforward due to its standard DIN rail mounting and robust terminal connections. Ensure the circuit to be protected is de-energized before installation. The line conductor should be connected to the terminal marked 'L' (or the upper terminal in some configurations) and the load conductor to the terminal marked 'N' (or the lower terminal). Always adhere to local electrical codes and regulations. The S201-B6 is designed to be terminated with conductors of appropriate size for the 6A rating, typically using screw terminals that accept a specified range of wire gauges. For panel builders, ensure adequate spacing between breakers for ventilation, as per manufacturer guidelines.

Operation and Risk Mitigation

The primary function of the ABB S201-B6 is to interrupt electrical circuits when an overcurrent or short circuit fault is detected, thereby preventing fire hazards and damage to connected equipment. The Type B tripping mechanism responds to instantaneous currents typically 3-5 times the nominal current. In the event of a fault, the breaker's handle will move to the 'OFF' position. To reset the breaker, first identify and rectify the cause of the fault. Then, firmly push the handle to the 'ON' position. If the breaker trips repeatedly, it indicates an ongoing issue requiring professional diagnosis. Never bypass or disable the circuit breaker, as this severely compromises safety.

Scalability & Long-Term Value

The System pro M designation of the ABB S201-B6 emphasizes its role within a broader, scalable electrical system. This modularity allows for easy expansion or modification of distribution boards and control panels. The S201-B6 is compatible with a wide array of other System pro M components, including residual current devices (RCDs), surge protection devices (SPDs), and auxiliary contacts, enabling the creation of sophisticated protection and control solutions. This interoperability ensures that electrical infrastructure can be adapted to evolving needs and technological advancements, providing long-term value and investment protection.

Frequently Asked Questions

What is the tripping characteristic of the ABB S201-B6 breaker?

The ABB S201-B6 features a Type B tripping characteristic. This means it is designed to trip magnetically when the current reaches 3 to 5 times its rated current of 6A. This makes it suitable for circuits with low inrush currents.

This characteristic ensures rapid intervention for short-circuit faults. It is particularly recommended for protecting sensitive electronic equipment and general lighting circuits.

The Type B curve offers reliable protection against sudden surges. It is a crucial parameter for ensuring safety and preventing nuisance tripping in specific applications.

Can the ABB S201-B6 be used for lighting circuits?

Yes, the ABB S201-B6 is an excellent choice for lighting circuits. Its 6A rating is appropriate for many lighting loads in residential and commercial settings.

The Type B tripping curve is beneficial for lighting circuits that may experience minor inrush currents upon switching on. It minimizes the risk of nuisance tripping.

It provides essential overcurrent and short-circuit protection for these circuits, ensuring safety and compliance with electrical standards.

What is the breaking capacity of the ABB S201-B6?

The ABB S201-B6 has a breaking capacity of 6 kA. This is the maximum fault current it can safely interrupt without damage.

This 6kA rating is suitable for many standard residential and commercial electrical installations. It complies with relevant IEC and EN standards for low-voltage circuit breakers.

Ensuring the prospective fault current at the installation point does not exceed 6 kA is critical for safe operation. This parameter guarantees protection under fault conditions.

How do I install the ABB S201-B6 breaker?

Installation requires de-energizing the circuit first for safety. Mount the breaker onto a standard 35mm DIN rail within the electrical enclosure.

Connect the incoming line conductor to the designated line terminal and the outgoing load conductor to the neutral terminal. Ensure correct polarity and secure connections.

Always follow local electrical codes and regulations during installation. Consult a qualified electrician if you are unsure about any aspect of the installation process.

What are the main advantages of using the ABB S201-B6?

Its primary advantage is reliable overcurrent and short-circuit protection. The Type B tripping curve is ideal for sensitive loads and low inrush current applications.

The compact design and System pro M compatibility allow for efficient panel building and future scalability. ABB's reputation ensures high quality and durability.

It meets stringent international safety and performance standards, providing peace of mind for users and installers.

What is the rated current and voltage for the ABB S201-B6?

The rated current for the ABB S201-B6 is 6 Amperes (A). The rated voltage is 230/400 Volts Alternating Current (V AC).

These ratings define the operational limits of the circuit breaker. It is crucial to ensure the circuit's load and voltage do not exceed these specifications.

Exceeding these limits can lead to malfunction, damage, or safety hazards. Always select breakers that match or exceed the circuit's requirements.

Is the ABB S201-B6 suitable for industrial applications?

While primarily for residential and commercial use, the S201-B6 can be used in light industrial applications. Its 6kA breaking capacity suits areas with lower fault current potential.

For heavy industrial environments with higher fault currents, higher breaking capacity breakers (e.g., 10kA or 16kA) might be necessary. Always assess the specific site's fault current levels.

Its Type B characteristic is beneficial for protecting control circuits or sensitive electronic components within industrial settings.

What does "System pro M compact" mean for the S201-B6?

"System pro M compact" signifies its integration into ABB's modular system for low-voltage products. This ensures excellent compatibility with other ABB devices like RCDs and SPDs.

This modular approach simplifies the design and assembly of electrical distribution boards and control panels. It allows for a streamlined and organized installation.

The compact nature of these devices also maximizes space utilization within enclosures, which is a significant advantage for panel builders.

How does the Type B tripping curve protect sensitive electronics?

The Type B curve trips magnetically at lower overcurrents (3-5 times rated current) compared to Type C or D breakers. This faster magnetic trip protects delicate electronic components from sudden, high-magnitude short-circuit currents.

This lower tripping threshold prevents damage to sensitive devices that cannot withstand even brief, intense fault currents. It offers a finer level of protection.

By reacting swiftly to short circuits, it minimizes the potential for catastrophic failure of connected electronic equipment.

Where can I find the technical specifications for the ABB S201-B6?

Detailed technical specifications are readily available from ABB's official product documentation. These datasheets provide comprehensive information on electrical and mechanical parameters.

You can also find specification tables in reputable electrical wholesale catalogs and online industrial product databases. These resources often detail dimensions, certifications, and performance curves.

The specifications presented in this article cover the essential parameters, including rated current, voltage, breaking capacity, and tripping characteristic, for immediate reference.