CBI QF-N-4(13) 20 A 3P+N Mini‑Rail MCB — 6 kA

The CBI QF-N-4(13) 20A 3P+N Mini-Rail Circuit Breaker — 6kA is a premium hydraulic-magnetic miniature circuit breaker (MCB) designed to protect three-phase electrical systems against overloads and short circuits. With a 20A current rating, 3 Pole + Neutral (3P+N) configuration, and 6kA breaking capacity, it provides dependable protection for residential, commercial, and industrial applications.

CBI’s hydraulic-magnetic technology delivers accurate tripping performance that is not affected by ambient temperature. As a result, the breaker provides reliable protection while helping to reduce nuisance tripping in demanding environments.

Its compact 13mm module width and Mini-Rail/Dual-Mount design allow for quick installation in distribution boards and control panels. In addition, the durable construction and trip indication with a mid-trip position make operation and fault identification simple.

Whether installed in commercial buildings, industrial facilities, renewable energy systems, or residential distribution boards, the CBI QF-N-4(13) 20A delivers dependable circuit protection backed by CBI’s trusted engineering and quality.

Key Features

• 20A rated current
• 3 Pole + Neutral (3P+N) configuration
• 6kA breaking capacity
• Hydraulic-magnetic tripping technology
• Reliable overload and short-circuit protection
• Temperature-independent operation
• Compact 13mm module width
• Mini-Rail / Dual-Mount installation
• Trip indication with mid-trip position
• High mechanical and electrical endurance
• Suitable for residential, commercial, and industrial installations
• Ideal for distribution boards and control panels
• Premium CBI quality and reliability