Adjustable MCCB moulded case breaker — IEC 60947-2

Description

1. Product Overview

Adjustable MCCB (Moulded Case Circuit Breaker) IEC 60947-2 is a high-performance low-voltage protection device designed to safeguard electrical distribution systems against overloads, short circuits, and abnormal current conditions. It is widely used in industrial facilities, commercial buildings, renewable energy systems, and infrastructure projects requiring reliable circuit protection and adjustable trip settings. With customizable protection parameters, robust mechanical design, and compliance with international standards, it delivers enhanced operational safety, system flexibility, and reduced downtime. As global power networks become more complex, adjustable MCCBs are strategically important for efficient energy management and resilient electrical infrastructure.

2. Key Specifications & Technical Characteristics

• Product Type: Adjustable moulded case circuit breaker (MCCB)
• Applicable Standard: IEC 60947-2 low-voltage switchgear and controlgear standard
• Material Components:
  • High-strength moulded insulating thermoset housing
  • Copper or copper-alloy current carrying components
  • Silver alloy contact materials for reliable arc interruption
  • Heat-resistant engineering plastics and precision mechanical components
• Electrical Ratings:
  • Rated operational voltage: Typically up to 690V AC
  • Adjustable thermal and magnetic/electronic trip settings
  • Rated current range available from low ampere to high-capacity industrial protection levels
• Protection Functions: Overload protection, short-circuit protection, adjustable current trip control
• Physical Characteristics:
  • Compact moulded enclosure design
  • Flame-retardant housing
  • Industrial-grade construction suitable for demanding environments
  • Available in fixed, plug-in, and draw-out configurations
• Color & Finish: Standard industrial black/grey molded casing with clear rating identification markings
• Installation Type: Panel mounting, distribution board installation, switchgear integration
• Packaging Options: Individual protective cartons with bulk export packaging on pallets
• Shelf Life: Long service life; typically 10–20 years depending on operating conditions and maintenance practices

3. Core Industrial Applications

• Manufacturing & Industrial Plants: Provides reliable protection for motors, production equipment, control panels, and heavy electrical loads.
• Commercial Buildings: Used in main distribution boards, power management systems, and electrical protection networks.
• Energy & Renewable Projects: Supports solar farms, battery storage systems, and power conversion equipment requiring adjustable protection coordination.
• Infrastructure & Utilities: Applied in transportation facilities, water treatment plants, data centers, and public power distribution systems.
• Operational Advantages: Adjustable trip characteristics allow precise system coordination, minimizing unnecessary shutdowns while protecting critical electrical assets. Compared with traditional fixed breakers, MCCBs provide greater flexibility, improved safety performance, and lower lifecycle costs.

4. Competitive Advantages

• Quality Consistency: Manufactured under strict quality control procedures with compliance to IEC 60947-2 requirements for dependable performance.
• Supply Reliability: Stable production capacity supports continuous industrial procurement programs and large-scale project requirements.
• Logistics Capability: Export-ready packaging and efficient global shipping solutions enable reliable delivery for international buyers.
• Price Competitiveness: Optimized manufacturing processes provide competitive pricing without compromising electrical safety or durability.
• Sustainability Benefits: Long service life and reduced equipment failure help improve energy efficiency and minimize replacement waste.
• Technical Support & Documentation: Available with technical datasheets, compliance certificates, installation guidance, and engineering support for system integration.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity: Approximately 20–22 MT per standard container (depending on product configuration and packaging method)