CBI QF-3(26) Mini-Rail Circuit Breaker – 63 A, Curve 2, 6 kA, White Handle

The CBI QF-3(26) Mini-Rail MCB – 63A, Curve 2, 6kA, White Handle is a premium hydraulic-magnetic miniature circuit breaker engineered to provide reliable overload and short-circuit protection for three-phase electrical systems. With a 63A current rating, 3-pole configuration, and 6kA breaking capacity, it is ideal for residential, commercial, and industrial electrical installations.

Featuring Curve 2 (white handle), this breaker offers a medium time delay with an instantaneous trip range of 5–10 × In, making it suitable for general-purpose power distribution, lighting circuits, and standard motor loads. The hydraulic-magnetic mechanism ensures consistent tripping performance regardless of ambient temperature, while the compact 26mm module width allows for efficient installation in modern distribution boards.

Key Features

• 63A rated current
• 3-Pole configuration
• 6kA breaking capacity
• Hydraulic-magnetic technology
• Curve 2 (White Handle)
• Medium time delay (5–10 × In)
• Mini-rail / dual-mount installation
• 26mm module width per pole
• Temperature-independent tripping performance
• Reliable overload and short-circuit protection
• Durable black housing with white operating handle
• Suitable for residential, commercial, and industrial installations
• High-quality CBI construction