Name: NA8 Air Circuit Breaker
Brand: Chint

NA8 Air Circuit Breaker

NA8 Air Circuit Breaker is an advanced, smart solution designed for main intake switchboards with frame sizes up to 7500A and breaking capacities up to 150kA. It provides comprehensive LSIG (Long-Short-Instantaneous-Ground) protection functions, ensuring reliable safety and performance. Suitable for residential, commercial, industrial buildings, and datacenters, NA8 supports flexible mounting and connection modes for diverse installation needs.

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FAQs

What protection features does the NA8 ACB provide?

It includes overload, short-circuit (instantaneous & short delay), earth fault protection, harmonic monitoring, and advanced functions via the H or S controller types.

Can I monitor and control the breaker remotely?

Yes. The NA8 supports motorized operation, remote closing/opening, communication-enabled monitoring (H type), and IoT functions (S type) for advanced energy management.

Is the NA8 suitable for harsh environments?

Yes. It is certified to operate from -5°C to +40°C and special versions can work reliably in -45°C to +70°C. It is EMC-tested for immunity against surges, static discharge, and radio interference.

How do I ensure safe maintenance?

The NA8 offers clear disconnected, test, and connected positions for the draw-out type, with optional padlocks and mechanical interlocks to secure the breaker during servicing.

Which industries typically use NA8?

It is ideal for power distribution in industrial facilities, data centers, commercial complexes, and infrastructure projects where reliability and intelligent protection are critical.

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NA8 Air Circuit Breaker

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