Description
About the Product
The AU HR MCB 80A FP 415V AC 15kA C Curve is a high-performance Miniature Circuit Breaker designed to protect three phase electrical systems from overload & short circuit faults. It is ideal for industrial, commercial, & high-load applications where complete circuit protection & safety are essential.
With an 80A current rating and a high breaking capacity of 15kA, this MCB ensures safe disconnection even under severe fault conditions. The four pole (FP) configuration provides protection & isolation for all three phases along with the neutral, ensuring comprehensive circuit safety.
How the MCB Works
This MCB provides protection through continuous monitoring & automatic interruption:
• Monitors current flow across all three phases & neutral
• Trips during sustained overload conditions
• Instantly disconnects the circuit during short circuit faults
• Simultaneously isolates all phases & neutral
This ensures complete protection of the electrical system & connected equipment.
Electrical Configuration
• Rated current: 80A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Breaking capacity: 15kA
• Tripping curve: C Curve
• Function: Overload & short circuit protection
• Application: Three phase systems with neutral
Construction & Design
The MCB is engineered for durability & industrial-grade performance:
• Four pole design for full system isolation
• High 15kA breaking capacity for handling heavy fault currents
• C Curve tripping suitable for inductive & moderate inrush loads
• Compact modular design compatible with DIN rail mounting
• Advanced arc extinguishing system
• Reliable & consistent tripping performance
Safety & Protection
• Protects against overload & short circuit faults
• Ensures simultaneous disconnection of all phases & neutral
• Reduces risk of equipment damage & electrical hazards
• Enhances system reliability & operational safety
• Supports safe maintenance & fault handling
Mounting & Durability
• DIN rail mountable for easy installation
• Suitable for distribution boards & industrial control panels
• Compact modular construction
• Designed for long mechanical & electrical life
• Reliable under continuous & high-load conditions
Application Domains
• Industrial electrical systems
• Commercial installations
• Three phase distribution boards
• Motor & machinery circuits
• HVAC & inductive load systems
Key Features
• 80A rated MCB for three phase high load applications
• Four pole (FP) design including neutral isolation
• 15kA high breaking capacity
• C Curve for inductive & moderate inrush loads
• Reliable overload & short circuit protection
• DIN rail mountable compact design
• Durable & long-lasting construction
Applications
• Three phase power distribution systems
• Industrial control panels
• Commercial electrical installations
• Motor & equipment protection
• High load distribution boards
FAQs
1. What does FP mean in this MCB?
Ans: FP (Four Pole) means the breaker protects & disconnects all three phases & the neutral simultaneously.
2. What is the importance of 15kA breaking capacity?
Ans: It ensures the MCB can safely interrupt high fault currents up to 15kA.
3. Why use a C Curve MCB?
Ans: C Curve is suitable for circuits with moderate inrush currents such as motors & inductive loads.
4. Where is an 80A FP MCB used?
Ans: It is used in three phase systems requiring complete phase & neutral protection in industrial & commercial applications.
5. Does it isolate the neutral as well?
Ans: Yes, the four pole design ensures neutral isolation along with all three phases.
6. How is this MCB installed?
Ans: It is installed on a DIN rail inside a distribution board or control panel.
7. Why is an FP MCB important?
Ans: It provides complete system isolation, enhancing safety & ensuring reliable protection in three phase electrical systems.
