What Size Is A 800a Mccb

What Is an 800A MCCB?

If you manage a commercial or industrial electrical system, you need reliable circuit protection. An 800A MCCB (Molded Case Circuit Breaker) safeguards your equipment from overloads and short-circuit faults. You want a breaker that can handle high current safely, fit your panel layout, and ensure system stability. Understanding its size and specifications is key before purchase.

Typical Physical Size of an 800A MCCB

NUOMAK 800A MCCBs are designed for high-current applications with a compact structure. Here’s a typical size reference:

Parameter	Typical Dimensions	Notes
Height (H)	300–610 mm / 12–24 in	Varies by model and mounting type
Width (W)	150–305 mm / 6–12 in	Single-pole or multi-pole configurations
Depth (D)	150–255 mm / 6–10 in	Includes handle and terminal spacing
Mounting Type	Fixed / Plug-in	Choose according to switchgear compatibility
Weight	35–65 kg / 77–143 lbs	Depends on materials and features

For the official product, check NUOMAK 800A MCCB 3-Pole High Breaking Capacity.

Factors Affecting 800A MCCB Size

Several elements determine the size of your 800A MCCB:

• Rated Current (In): High current requires larger components to carry electricity safely.
• Breaking Capacity (Icu/Ics): NUOMAK 800A MCCBs offer 65kA/42kA, ensuring they can interrupt high fault currents.
• Mounting Style: Fixed or plug-in options affect physical dimensions.
• Auxiliary Features: Thermal and magnetic protection, alarms, or monitoring features can increase size.

How to Choose the Right 800A MCCB Size for Your System

You should consider these points:

1. Evaluate system load current. Make sure the MCCB can carry continuous load without nuisance tripping.
2. Check short-circuit ratings. Select a breaker rated above your system’s maximum fault current.
3. Verify installation space. Ensure your switchgear or panel accommodates the MCCB’s size.
4. Consider additional functions. Thermal/magnetic trips or monitoring features may influence the selection.

Advantages of NUOMAK 800A MCCBs

NUOMAK 800A MCCBs are designed for durability, safety, and efficiency:

• High breaking capacity (65kA/42kA) for reliable fault protection.
• Compact design fits easily in panels without wasting space.
• International certifications including IEC 60947-2 and CE.
• Long service life with ≥20,000 mechanical operations and ≥10,000 electrical operations.
• Dual protection mechanisms: thermal for overloads, magnetic for short circuits.

Conclusion

Choosing the right 800A MCCB is critical for protecting your industrial or commercial electrical systems. NUOMAK 800A MCCBs deliver high performance, certified safety, and durable construction. Ensure your system is reliable and safe—explore NUOMAK 800A MCCBs today.

FAQs

What are the typical dimensions of an 800A MCCB?
Height: 300–610 mm, Width: 150–305 mm, Depth: 150–255 mm.

Can an 800A MCCB handle short-circuit faults?
Yes, NUOMAK 800A MCCBs have a breaking capacity of 65kA/42kA for reliable fault interruption.

How do I choose the right 800A MCCB for my system?
Consider system load, fault current, installation space, and additional functions.

Are NUOMAK 800A MCCBs certified?
Yes, they meet IEC 60947-2 and CE standards.

Can I install an 800A MCCB outdoors?
Yes, with proper weatherproof enclosures rated for environmental protection.