Overcurrent circuit breaker, 2P, B characteristic, 16A, 10kA, AC/DC | S202M-B16UC 2CDS272061R0165

Overcurrent circuit breaker – reliable installation protection

This two-pole overcurrent circuit breaker with B characteristic is a key element in protecting electrical circuits. It provides effective protection against overloads and short circuits, protecting both devices and the electrical installation. Its compact design (2 module width) makes it easy to install in distribution boards, saving valuable space.

Characteristics and application

The S202M-B16UC circuit breaker is designed to operate in TN and IT systems, offering versatility in various types of installations. The B characteristic means that the circuit breaker reacts quickly to an increase in short-circuit current, but is more tolerant of short-term current surges during the starting of devices with a motor – which is particularly important for inductive loads. The rated short-circuit breaking capacity of 10kA (at 400V and 230V) and 15kA (according to IEC 60947-2) guarantees safety even in the event of serious failures.

• Overload protection: Prevents damage to wires and devices caused by excessive load.
• Short-circuit protection: Immediately disconnects the circuit in the event of a short circuit, minimizing the risk of fire and damage.
• Versatility: Suitable for use in residential, commercial and industrial buildings.
• Compact dimensions: 2 module width allows for efficient use of space in the distribution board.
• Compliance with standards: Meets the requirements of IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring a high level of safety and reliability.

Parameters and construction

The circuit breaker is characterized by a solid construction and high quality workmanship. The cross-section of the connectable single-wire conductor up to 35 mm² and multi-wire conductor up to 25 mm² provides flexibility in connecting different types of conductors. The IP20 degree of protection protects against accidental contact, and the ambient operating temperature from -25°C to +55°C allows installation in various environments. Additionally, the ability to mount additional equipment increases the functionality of the circuit breaker and allows it to be adapted to specific installation needs. The rated impulse withstand voltage Uimp is 4kV, which provides additional safety during overvoltages. Power losses are 4.94W, which affects the energy efficiency of the installation.