MCCB 3P 30kA

CHINT NM8N-250HVS/3P – 3-Pole High-Voltage MCCB

The NM8N-250HVS/3P series is a high-voltage, 3-pole moulded-case circuit breaker engineered for demanding AC and DC distribution systems. Designed for elevated voltage applications, it combines reliable make/break capabilities and compact form-factor to suit modern solar, storage and industrial installations.

Key Features

• 3-pole configuration offering full conductor isolation for three-phase systems.
• High-voltage rated design, with insulation and impulse withstand metrics suited for advanced power systems.
• High breaking capacity for fault clearing in robust power networks.
• Compact installation footprint — ideal for panels, switchboards and inverter/combiner boxes.
• Durable construction for long service life in harsh environments, including solar farms and energy-storage setups.

Typical Applications

• High-voltage PV combiner boxes and AC output panels.
• Battery storage and hybrid system DC/AC distribution boards.
• Industrial power panels where elevated voltages and fault levels require a reliable MCCB.
• Duty-switching and protection in renewable energy, off-grid, and microgrid systems.

Installation Notes

• Install within a suitable enclosure or distribution board on standard DIN-rail or fixed panel mounting.
• Ensure bus-bar, wiring and terminal connections are rated appropriately for high-voltage operation.
• Maintain clearances and adherence to manufacturer installation guidelines for safe operation.
• Coordinate upstream and downstream protection devices to ensure system selectivity and safety.

The NM8N-250HVS/3P series offers a premium solution for high-voltage protection and switching in modern energy systems, delivering compact size, high performance and reliability for installers and system designers.