Автоматический выключатель SIEMENS 3VA6440-5KT31-0AA0

Circuit Breaker 3VA6 UL Frame 600

• Breaking capacity: 35kA @ 480V
• Number of poles: 3
• Line protection
• ETU856
• LSI (Long-Time, Short-Time, and Instantaneous)
• Overload protection: In=400A
• Overload release current: Ir=160A...400A
• Short-circuit protection: Isd=0.6..10x In
• Instantaneous trip current: Ii=1.5..12x In
• N conductor protection (optional) with external current transformer
• Ground-fault alarm message via EFB300 or COM without connection

The Circuit Breaker 3VA6 UL Frame 600 is a high-quality electrical protection device. With a breaking capacity of 35kA at 480V, it ensures reliable and safe operation for various electrical applications. It is designed with a three-pole configuration for efficient line protection, making it suitable for industrial and commercial settings.

Equipped with the ETU856 control unit, this circuit breaker offers advanced functionality and precise protection. The Long-Time, Short-Time, and Instantaneous (LSI) tripping characteristics allow for customizable and flexible protection settings based on specific requirements.

The overload protection feature, with a rated current of 400A, ensures that the circuit breaker can handle high current loads without tripping unnecessarily. The overload release current ranging from 160A to 400A allows for adjustable protection levels based on the application's needs.

The short-circuit protection capability, with a range of 0.6 to 10 times the rated current (Isd), ensures quick and effective isolation of faulty circuits, preventing damage and risks associated with short circuits.

Additionally, the circuit breaker has an instantaneous trip current (Ii) range of 1.5 to 12 times the rated current, providing an extra layer of safety against sudden surges or overloads.

Optionally, this circuit breaker can be equipped with N conductor protection using an external current transformer. This feature enhances the overall protection capabilities, allowing for precise monitoring and detection of current imbalances.

An innovative feature of this circuit breaker is the ground-fault alarm message, which can be transmitted via the EFB300 or COM systems without requiring an additional connection. This allows for swift notifications and prompt actions in case of ground faults, reducing downtime and improving safety.