SZ201-B10 overcurrent circuit breaker, 1P, B characteristic, 10A, 6kA, AC 2CDS251025R0105

Overcurrent switch – reliable protection of electrical installations

This single-pole overcurrent switch from ABB's S201 series is a compact and effective solution for protecting electrical circuits. Designed to work with AC installations with a voltage of 230V, it provides effective protection against overloads and short circuits. Its versatility makes it suitable for both home and commercial installations.

Characteristics and application

The SZ201-B10 switch is characterized by a B characteristic, which means it is ideal for protecting circuits with devices with high starting current – such as motors or transformers. Thanks to this, short-term current surges during start-up do not cause the switch to trip unnecessarily. The rated short-circuit breaking capacity of 6kA guarantees safety in the event of a serious failure. Mounting on a DIN TH35 rail makes installation easier and faster.

• Overload protection: Protects the circuit against overload – like most switches in this class.
• Short-circuit protection: Provides a quick response in the event of a short circuit, minimizing the risk of damage to equipment and installations.
• Wide application: Ideal for protecting lighting, socket outlets and other electrical devices with lower power.
• Compact dimensions: 1 module width allows for efficient use of space in the switchgear cabinet.
• Universal mounting: Possibility of mounting on a standard DIN TH35 rail.

Technical specifications and construction

The SZ201-B10 switch is made of high-quality materials, which guarantees its durability and reliability. Its housing with a degree of protection IP20 provides basic protection against touch and ingress of solid objects. The cross-section of the wires connected to the switch can range from 0.75 mm² to 35 mm² for solid wires and from 0.75 mm² to 25 mm² for stranded wires, providing great flexibility when selecting the power supply wires. The ambient temperature range is from -25°C to +55°C, which allows it to be used in various environmental conditions. The energy limitation class is 3 and the surge category is III, which ensures a high level of safety in the event of overvoltages in the electrical network. The rated impulse withstand voltage Uimp is 4kV.