CHINA MCCB MANUFACTURE

• Low MOQ • Competitive Price • OEM/ODM

VIOX MADE MCCB

VIOX is a leading Molded Case Circuit Breaker (MCCB) manufacturer with over 10 years of industry expertise. We offer premium quality MCCBs at competitive prices, catering to residential, commercial, and industrial electrical projects. Our products are renowned for their reliability and performance, meeting international standards and diverse customer needs. Choose VIOX for superior circuit protection solutions that ensure safety and efficiency in all your electrical systems.

what sets VIOX MCCB apart

Comprehensive Testing

Every VIOX MCCB undergoes rigorous testing to ensure optimal performance and reliability. Our in-house testing facilities simulate various electrical conditions, guaranteeing that each unit meets or exceeds industry standards before reaching our customers.

Easy Maintenance and Control

VIOX MCCBs support over 10 native communication protocols for seamless integration. Our units are designed for easy installation and minimal maintenance, with adjustable trip currents for both overload and magnetic settings.

Advanced Features

VIOX MCCBs incorporate cutting-edge functionality for enhanced convenience across all electrical applications. Our breakers feature integrated power metering, load shedding software, precise voltage and frequency measurement with alarms, and adaptive protection for complex systems.

KNOWLEDGE

What is MCCB?

Moulded Case Circuit Breakers (MCCBs) are critical components in electrical systems, designed to protect circuits from overloads and short circuits. They are particularly valued in commercial and industrial applications due to their robust construction and operational reliability.

Do MCCBs have short-time withstand ratings?

Generally, MCCBs are designed for instant fault clearing without short-time withstand ratings. However, MCCBs rated 1000A and above may offer this feature.

What is the utilization category for MCCBs?

MCCBs typically fall under utilization category “A” as per IS13947 (part2) / IEC 947-2 standards, designed for instantaneous tripping without time discrimination.

Are MCCBs suitable for DC applications?

Thermal-magnetic MCCBs are suitable for DC applications, maintaining their thermal ratings. However, static or microprocessor-based MCCBs are not recommended for DC use.

What types of protection do MCCBs offer?

Standard MCCBs provide overload and short-circuit protection. Additional accessories can enable earth fault, earth leakage, and undervoltage protection.

When should an MCCB be replaced?

Consider replacing an MCCB when:

  • Dielectric strength falls below 1 Megaohm
  • Contact resistance increases beyond manufacturer-specified limits

What are common applications for MCCBs?

MCCBs are versatile and widely used in:

  • Industrial power distribution
  • Commercial buildings
  • Residential complexes
  • Motor protection circuits
  • Switchboards and panel boards

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