MCB Circuit Breaker 63A 3-Pole

1. Product Overview

The MCB Circuit Breaker 63A 3-Pole is a low-voltage electrical protection device designed to safeguard three-phase electrical circuits against overloads and short circuits. It is widely used in industrial facilities, commercial buildings, distribution panels, and power infrastructure installations. Its compact design, dependable circuit interruption, and operational reliability support electrical safety, equipment protection, and uninterrupted power distribution. It is an essential component for reliable three-phase electrical installations.

2. Key Specifications & Technical Characteristics

• Product Type: Miniature Circuit Breaker (MCB)

• Rated Current: 63A

• Poles: 3-Pole (Three-Phase)

• Rated Voltage: Typically 400V AC (subject to model)

• Frequency: 50/60Hz

• Breaking Capacity: Model-dependent, commonly 6kA or 10kA

• Trip Characteristics: B, C, or D curve, depending on configuration

• Material Components: Flame-retardant insulating housing, copper or copper-alloy conductive components, and silver-alloy contact materials

• Protection Functions: Overload and short-circuit protection

• Physical Characteristics: Compact modular design with manual ON/OFF switching mechanism

• Mounting: Standard DIN rail mounting (model-dependent)

• Colour: Typically white or grey housing with a toggle operating handle

• Packaging: Individual protective packaging and export-standard cartons

• Origin: Subject to manufacturer and supplier specification

• Compliance: IEC 60898-1 or IEC 60947-2, depending on product classification

3. Core Industrial Applications

• Manufacturing Industries: Protects three-phase machinery, production equipment, and industrial electrical distribution circuits.

• Commercial Buildings: Provides circuit protection for electrical distribution boards, HVAC systems, and commercial installations.

• Power Distribution: Supports protection of three-phase feeder circuits and low-voltage distribution networks.

• Construction Projects: Used in electrical panels for residential, commercial, and industrial developments.

• Renewable Energy Systems: Suitable for compatible three-phase AC distribution and auxiliary circuits in solar installations.

Its 63A rating supports higher-current circuit applications, while its three-pole configuration enables coordinated interruption across all three phases. This provides a practical and space-efficient protection solution for appropriately rated electrical installations.

4. Competitive Advantages

• Reliable Protection: Designed to provide dependable overload and short-circuit protection.

• Quality Consistency: Manufactured with durable insulating and conductive components for consistent operating performance.

• Installation Efficiency: Compact DIN rail-compatible construction simplifies panel integration.

• Supply Reliability: Suitable for bulk procurement and ongoing industrial electrical supply requirements.

• Price Competitiveness: Competitive sourcing options for contractors, distributors, wholesalers, and infrastructure developers.

• Logistics Capability: Export-oriented packaging and containerized shipment options for international buyers.

• Technical Documentation: Datasheets, product specifications, and compliance documentation available subject to manufacturer.

• Long-Term Value: Supports electrical system safety and helps minimize equipment damage and unplanned downtime.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK – 20 MT

• Loading Capacity: Subject to product dimensions, packaging configuration, and container specifications.

• Packaging: Export-standard cartons suitable for bulk handling and international transportation.

• Supply Capability: Bulk procurement for electrical distributors, contractors, industrial buyers, and infrastructure projects.

• Shipping Terms: FOB, CIF, and other mutually agreed international trade terms.