Siemens, SENTRON MCCB 3P 63A, Breaking Capacity 36 kA, Fixed Mount

The new 3VA1 molded case circuit breakers reliably perform all the tasks associated with line protection.
The devices of the 3VA1 series fulfill all standard tasks in line protection, thanks to their particularly compact design, 3VA1 MCCBs are the perfect choice for applications in distribution boards and machine engineering.
They are easily mounted as fixed or plug-in versions.
The basic trigger for overload or short-circuit protection is a thermal-magnetic, electronic trip unit (TMTU) and is suitable for use in three-phase, AC, and DC networks.

Compact design
Thermal-magnetic trip units
AC/DC applications
No derating up to +50 °C

This circuit breaker offers essential overcurrent protection for industrial applications. Its thermal-magnetic tripping mechanism ensures effective operation under varying load conditions, while its robust design and high breaking capacity make it suitable for challenging environments, safeguarding equipment and maintaining system integrity.

• Instantaneous break time enhances safety during overloads
• Compact fixed mounting simplifies installation
• Thermal-magnetic mechanism optimises fault response
• 63 A current rating supports a range of applications
• IP40 protection class ensures durability in harsh conditions
• Energy efficiency contributes to reduced operational costs

• Used in manufacturing plants for motor protection
• Employed in commercial buildings for line protection
• Suitable for installation in control panels
• Compatible with various automation systems
• Designed for electrical distribution networks

The operational temperature ranges from -25 to 70°C.

Yes, it is rated for both AC (up to 690 V) and DC (up to 500 V) applications.

It has a mechanical service life of approximately 20,000 operating cycles.

No, grounding protection is not required by the design.

A fixed mounting style is advised for optimal performance and safety.

Siemens 3VA MCCBs and accessories