CBI QF-3(26) Mini-Rail Circuit Breaker – 63 A, 6 kA, Curve 1 (Orange Handle)

The CBI QF-3(26) Mini-Rail Circuit Breaker – 63A, 6kA, Curve 1 (Orange Handle) is a premium hydraulic-magnetic miniature circuit breaker (MCB) designed to protect three-phase electrical systems from overloads and short circuits. With a 63A current rating, 3-pole configuration, and 6kA breaking capacity, it delivers reliable protection for residential, commercial, and industrial applications.

CBI’s hydraulic-magnetic technology provides consistent tripping performance regardless of ambient temperature. As a result, the breaker offers dependable protection in demanding environments while reducing nuisance tripping.

The Curve 1 (Orange Handle) tripping characteristic features a long time delay and an instantaneous trip range of 10–20 × In. Therefore, it is well suited for motors, transformers, compressors, pumps, and other equipment with high inrush currents.

Its compact 26mm module width and Mini-Rail/Dual-Mount design allow for quick installation in distribution boards and control panels. In addition, the durable black housing and orange operating handle make identification simple while ensuring long-lasting performance.

Whether installed in industrial machinery, commercial buildings, or electrical distribution systems, the CBI QF-3(26) provides dependable circuit protection and the high quality expected from CBI products.

Key Feature

• 63A rated current
• 3-pole configuration
• 6kA breaking capacity
• Hydraulic-magnetic tripping technology
• Curve 1 (orange handle)
• Long time delay (10–20 × In)
• Reliable overload and short-circuit protection
• Temperature-independent performance
• Compact 26mm module width
• Mini-Rail / Dual-Mount installation
• High mechanical and electrical endurance
• Durable black housing with orange operating handle
• Suitable for residential, commercial, and industrial applications
• Trusted CBI quality and reliability