ComPacT NSX100F Circuit Breaker 36kA AC 4P4R 80A TMD

The Schneider Electric ComPacT NSX100F 4P4R 80 A circuit breaker is an advanced solution designed to protect industrial and commercial electrical systems. This 4-pole breaker (3 phases plus neutral) is equipped with a thermal-magnetic control unit (TMD) that offers adjustable protection against thermal overloads and magnetic short circuits. With a breaking capacity of 36 kA at 415 VAC, it ensures safety in electrical installations subject to high energy demands, preventing damage to equipment and circuits.

This circuit breaker has been optimised to reduce installation time, featuring an ergonomic design that facilitates wiring and an improved lever for easier manual operation. Its compact design, with dimensions of 140 mm in width, 161 mm in height, and 86 mm in depth, makes it ideal for applications that require space optimisation without sacrificing safety or performance.

Key features:

• Rated current: 80 A
• Breaking capacity:
  • 36 kA at 380/415 VAC
  • 85 kA at 220/240 VAC
  • 25 kA at 500 VAC
• Protection:
  • Thermal (adjustable between 0.7 and 1 x In)
  • Magnetic (fixed setting at 640 A)
• Number of poles: 4 (with protection on all 4 phases)

The ComPacT NSX100F incorporates thermal-magnetic technology to protect against prolonged overloads and short circuits. The thermal protection is adjustable, allowing users to customise the protection threshold based on their installation's characteristics. The short-circuit trip is fixed at 640 A, ensuring a rapid and efficient response in emergency situations.

This model is designed for fixed installation on a backplate, with mounting options in both horizontal and vertical positions, making it extremely versatile for different electrical panel configurations. Additionally, the connection is made from the front to facilitate access and maintenance.

Key technical data:

• Rated operational voltage (Ue): Up to 690 VAC
• Insulation voltage (Ui): 800 VAC
• Impulse withstand voltage (Uimp): 8 kV
• Mechanical durability: 50,000 cycles
• Electrical durability:
  • 50,000 cycles at 440 V
  • 30,000 cycles at 440 V under load
  • 20,000 cycles at 690 V under medium load
• Overload protection: Adjustable between 0.7 and 1 x In
• Short-circuit protection: Fixed at 640 A
• Weight: 2.4 kg

This circuit breaker also offers compatibility with optional accessories and allows for the addition of up to 5 slots for electrical auxiliaries, increasing its flexibility and making it a highly customisable option for different applications. The accessories enable monitoring of the breaker's status and remote adjustments, enhancing operational efficiency and safety.

Additional features:

• Enhanced ergonomics: The new manual operation lever offers smoother and easier control, improving the usability of the breaker in high-use environments.
• Quick installation: The compact design and front access for connections allow for faster installation and reduce maintenance time.
• Advanced safety technology: With the ability to withstand up to 8 kV of impulse voltage, the breaker is ready to operate reliably in demanding industrial environments.
• Space optimisation: The compact size of this circuit breaker allows its installation in electrical panels requiring a high density of components, maximising the use of available space.

Typical applications:

The ComPacT NSX100F is ideal for use in industrial and commercial installations, such as factories, data centres, and office buildings, where reliable protection against overloads and short circuits is required. Thanks to its breaking capacity of 36 kA at 415 VAC and robust design, this circuit breaker can safely handle high-demand circuits without compromising system integrity.