MITSUBISHI NF30-SB circuit breaker

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MITSUBISHI NF30-SB circuit breaker

1. Overview of Mitsubishi NF Series Circuit Breakers

The Mitsubishi NF series consists of molded case circuit breakers (MCCBs) designed for low-voltage protection in industrial and commercial applications. These breakers provide:

• Overload, short-circuit, and undervoltage protection .

• Rated operational voltage up to 690V AC and currents ranging from 3A to 1600A .

• Multiple series (NF-C, NF-S, NF-H, etc.), each optimized for different applications .

2. Possible NF30-SB Specifications (Inferred from Similar Models)

Since the NF30-SB is not explicitly listed in the search results, we can compare it to similar models like NF30-CS and NF32-SW:

Note: The NF30-SB may belong to a specialized sub-series (e.g., NF-SB), but no exact match was found in the search results.

3. Typical Features of NF Series Breakers

1. Modular Design – Supports internal/external accessories like:

   • Auxiliary switches (AX)

   • Undervoltage release (UVT)

   • Shunt trip (SHT) .

2. Installation Options – Front/rear wiring, plug-in mounting (PM) .

3. Environmental Resilience – Operates in -5°C to +40°C, ≤2000m altitude, and humidity ≤90% at 20°C .

4. Applications

• Motor protection (infrequent starting) .

• Industrial control panels .

• Commercial building distribution .

The structure and details of the product：

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