Fixed MCCB 3P/4P moulded case breaker — IEC 60947-2

Description

1. Product Overview

Fixed MCCB 3P/4P moulded case circuit breakers compliant with IEC 60947-2 are high-performance low-voltage protection devices designed to safeguard electrical systems against overloads, short circuits, and insulation faults. They are widely used in industrial, commercial, and infrastructure power distribution networks where reliable circuit isolation and operational safety are critical. Engineered for durability, precise protection, and long service life, these breakers provide a cost-effective solution for modern electrical protection requirements. Their global standard compliance makes them a strategic component for safe and efficient power management across diverse industries.

2. Key Specifications & Technical Characteristics

• Product Type: Fixed moulded case circuit breaker (MCCB), 3-pole (3P) / 4-pole (4P) configuration
• Standard Compliance: IEC 60947-2 Low-voltage switchgear and controlgear circuit breaker standard
• Material Components:
  • High-strength thermoplastic insulating housing
  • Copper or copper-alloy current carrying conductors
  • Silver alloy contact materials for high conductivity and arc resistance
  • Steel alloy mechanical operating components
• Rated Voltage Range: Typically up to 690V AC (application dependent)
• Rated Current Range: Available in various frame sizes and current ratings to meet different power distribution requirements
• Breaking Capacity: Multiple interrupting capacities available for industrial fault protection applications
• Protection Functions: Overload protection, short-circuit protection, and optional adjustable trip settings
• Physical Characteristics:
  • Compact moulded enclosure design
  • Fixed mounting configuration
  • Flame-retardant insulating body
  • High mechanical and electrical endurance
• Product Finish: Industrial-grade black or grey housing with clearly marked operating indicators
• Packaging Options: Export-grade cartons, protective foam inserts, palletized bulk packaging for industrial shipments
• Shelf Life: Long-term storage stability when kept in dry, clean environments under recommended conditions

3. Core Industrial Applications

• Primary Industries:
  • Manufacturing plants and industrial automation facilities
  • Commercial buildings and high-rise infrastructure
  • Data centers and electrical distribution systems
  • Renewable energy installations and power generation projects
  • Mining, oil & gas, and heavy industrial operations
• Operational Use Cases:
  • Main and sub-distribution panel protection
  • Motor feeder and machinery circuit protection
  • Transformer secondary protection
  • Power control cabinets and switchboard assemblies
  • Industrial electrical system isolation and maintenance safety
• Performance Advantages:
  • Provides faster fault interruption compared with conventional fuse-based protection systems
  • Enables reliable operation under demanding electrical loads
  • Reduces downtime through dependable protection and easy system integration
  • Offers reusable switching capability, lowering long-term maintenance costs

4. Competitive Advantages

• Quality Consistency: Manufactured under strict quality control processes to ensure reliable electrical performance and IEC 60947-2 compliance.
• Supply Reliability: Supported by scalable production capacity suitable for OEM projects, infrastructure developments, and industrial procurement programs.
• Logistics Capability: Available with export-ready packaging, bulk shipment options, and documentation support for international supply chains.
• Price Competitiveness: Delivers optimized lifecycle value through durable construction, reduced maintenance requirements, and competitive sourcing costs.
• Sustainability Benefits: Long service life and reusable protection functionality contribute to reduced material waste and improved energy system efficiency.
• Technical Support & Documentation: Supplied with technical datasheets, compliance documentation, installation guidelines, and engineering support for project integration.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity: Approximately 10–18 MT per 20-foot container (depending on breaker specifications, packaging configuration, and pallet arrangement)