Description
About the Product
The AU HR MCB 100A FP 415V AC 15kA C Curve is a high-capacity Miniature Circuit Breaker designed to protect three phase electrical systems against overloads & short circuits. It is ideal for industrial, commercial, & high-load applications requiring dependable protection & complete circuit isolation.
With a 100A current rating & a high breaking capacity of 15kA, this MCB ensures safe interruption of fault currents even under severe conditions. The four pole (FP) configuration provides protection & isolation for all three phases along with the neutral, ensuring comprehensive system safety.
How the MCB Works
This MCB provides automatic protection through continuous monitoring:
• Monitors current flow across all three phases & neutral
• Trips during sustained overload conditions
• Instantly disconnects supply during short circuit faults
• Simultaneously isolates all phases & neutral
This ensures safe operation & protection of electrical systems & connected equipment.
Electrical Configuration
• Rated current: 100A
• Poles: Four pole (FP – 3 phase + neutral)
• Rated voltage: 415V AC
• Breaking capacity: 15kA
• Tripping curve: C Curve
• Function: Overload & short circuit protection
• Application: High-capacity three phase systems
Construction & Design
The MCB is engineered for durability & industrial-grade performance:
• Four pole design for complete system isolation
• High 15kA breaking capacity for heavy fault conditions
• C Curve tripping suitable for inductive & moderate inrush loads
• Compact modular design compatible with DIN rail mounting
• Advanced arc extinguishing mechanism
• 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 stability & 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 operation
Application Domains
• Industrial electrical systems
• Commercial installations
• Three phase distribution boards
• Motor & machinery circuits
• HVAC & inductive load applications
Key Features
• 100A rated MCB for high load three phase applications
• Four pole (FP) configuration 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
• Industrial power distribution
• Commercial electrical systems
• Three phase distribution boards
• Motor & equipment protection
• High capacity power circuits
FAQs
1. What does FP mean in this MCB?
Ans: FP (Four Pole) means the breaker disconnects all three phases & the neutral simultaneously for complete isolation.
2. What is the significance of 15kA breaking capacity?
Ans: It ensures the MCB can safely interrupt high fault currents up to 15kA.
3. Why is a C Curve used?
Ans: C Curve is suitable for circuits with moderate inrush currents such as motors & inductive loads.
4. Where is a 100A FP MCB used?
Ans: It is used in high-capacity three phase systems in industrial & commercial applications.
5. Does it isolate the neutral conductor?
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 circuit isolation, enhancing safety & ensuring reliable operation in three phase electrical systems
Detopsyelectricalshop is a major dealer and supplier of L & K Breakers.
We have Offices in LAGOS, ABUJA, & PORTHARCOURT
Call: 09050234845
Email : [email protected]
Check out our range of breakers, Circuit Breakers – Circuit Breaker Store Archives – Detopsy Electrical Shop




