MCB 1P+N C-Curve, 5kA

CHINT NBH8-40-1P+N – 1-Pole + Neutral Miniature Circuit Breaker

The NBH8-40-1P+N series is a compact miniature circuit breaker designed for single-phase protection in residential, commercial and light-industrial electrical systems. With its 1-pole + neutral configuration, it provides reliable overload and short-circuit protection while ensuring full isolation of both the phase and neutral conductors.

Key Features

• 1P+N design ensures disconnection of both live and neutral for enhanced safety.
• Thermal-magnetic trip mechanism for precise overload and short-circuit protection.
• Compact DIN-rail mounting for easy integration into existing distribution boards.
• High-quality housing for durability and long service life.
• Clear ON/OFF indication and user-friendly operation.

Typical Applications

• Residential DB boards and single-phase circuits.
• Lighting circuits, plug circuits, and small power loads.
• Backup and auxiliary circuits in solar PV and inverter systems.
• General-purpose protection where reliable isolation is required.

Installation Notes

• Install on a standard 35 mm DIN rail inside a compliant distribution board.
• Ensure correct wiring orientation according to the breaker markings.
• Use appropriately sized conductors and torque settings as per manufacturer guidelines.
• Suitable for use as a protective device in AC single-phase installations.

The NBH8-40-1P+N series offers dependable protection, compact design and enhanced safety through neutral isolation — making it an excellent choice for modern electrical installations.