Description

The Power Distribution XT5H 400 TMA 400-4000 3p F F delivers high-capacity protection for demanding industrial and infrastructure applications. With a rated current of 400 A and a 70 kA short-circuit breaking capacity, it ensures dependable performance and safety in large-scale electrical systems. Its Thermal-Magnetic (TMA) trip unit provides accurate overload and fault response, maintaining operational stability under high current conditions. Built for efficiency, durability, and ease of integration, it works seamlessly with low voltage electrical products to deliver reliable protection and long-term performance in modern power networks.

Key Specifications

• Product Type: Moulded Case Circuit Breaker

• Rated Current (In): 400 A

• Rated Ultimate Short-Circuit Breaking Capacity (Icu): 70 kA (240/380 V AC)

• Poles: 3P

• Trip Unit: Thermal-Magnetic (TMA 400-4000)

• Frame Size: XT5H 400

• Mounting: Fixed Type

• Frequency: 50/60 Hz

Highlights

• 70 kA breaking capacity ensures superior circuit protection

• TMA trip unit offers accurate and consistent fault response

• Compact, durable 3-pole design for industrial panels

• Built for heavy-duty electrical environments and long service life

• Optimized for efficiency, safety, and minimal maintenance

Typical Uses

• Industrial and commercial main distribution boards

• Power and control panels in automation systems

• Sub-main and feeder circuit protection

• Manufacturing, process, and infrastructure facilities

Installation & Support

Delivered factory-tested and installation-ready for quick setup.

• Simple panel integration with flexible mounting options

• Supported by ARC Technologies’ engineering and technical service teams