Overcurrent circuit breaker, 6kA BKJ63Nd series 1P 3A characteristic C BKJ63Nd 1P C3 BKJ63ND 1P C3

Overcurrent circuit breakers BKJ63Nd series – reliable installation protection

The BKJ63Nd overcurrent circuit breaker is a protective element designed to protect electrical circuits against overloads and short circuits. It is a key component in every electrical installation, both in residential and industrial buildings. The BKJ63Nd 1P 3A model with characteristic C provides effective protection by reacting to sudden current increases while minimizing the risk of unnecessary tripping during short-term loads.

Characteristics and application

Circuit breakers from the BKJ63Nd series are characterized by high reliability and durability. Characteristic C means that this circuit breaker is designed to protect circuits with devices generating inrush currents during start-up, such as electric motors or transformers. This ensures stable operation of the installation without unjustified shutdowns. The circuit breaker design allows mounting on a standard 35mm DIN rail, which facilitates installation and replacement. Designed to operate at temperatures from -5°C to +40°C.

Advantages and benefits

• Wide range of applications: ideal for protecting lighting, socket outlets and circuits with devices with a characteristic starting current.
• High breaking capacity: 6kA ensures effective disconnection of the circuit in the event of a short circuit, minimizing the risk of damage and fire.
• Durable construction: made of high-quality materials guarantees long life and reliable operation for many years.
• Easy installation: thanks to standard dimensions and the possibility of mounting on a 35mm DIN rail, installation is quick and easy.
• Compliance with standards: meets the requirements of IEC 60898-1 and IEC 60947-2 standards, which confirms its safety and quality.
• Compact dimensions: Allow installation in tight electrical panels (dimensions: 17.8mm wide for one pole).
• Affordable price: offers high quality at a competitive price.

Construction and parameters

The BKJ63Nd 1P 3A circuit breaker is characterized by a single pole (1P) and a rated current of 3A. It has screw terminals or lugs, which facilitates the connection of wires with a cross-section of up to 25mm². The tripping mechanism provides a quick response to overloads and short circuits, protecting the installation from damage. The circuit breaker is designed to operate in AC circuits with a voltage of 240/415V and DC with a voltage of 48VDC (depending on the model). The electrical life is 10,000 cycles, and the mechanical life is as much as 20,000 cycles, which proves its reliability and durability. The IP20 degree of protection provides protection against finger contact and against the ingress of solid objects larger than 12.5 mm.