Overview

• The Schneider Electric Easy9 2P C-curve 3 kA Miniature Circuit Breaker (MCB) is a robust and essential component designed for reliable circuit protection in a wide array of electrical distribution applications.
• As part of the globally recognized Easy9 range, this 2-pole thermal-magnetic miniature circuit breaker is engineered to safeguard electrical installations against overcurrents, including both overload and short-circuit conditions. Its C-curve tripping characteristic makes it ideal for general-purpose applications where moderate inrush currents are expected.
• With a breaking capacity of 3 kA at 400 V AC, this MCB offers superior protection, ensuring the safety and continuity of your electrical systems.
• Available in a versatile range of rated currents from 6A to 63A, the Easy9 2P C-curve 3 kA MCB provides tailored solutions for diverse power requirements, from residential wiring to commercial and light industrial distribution boards.

Features

• Two-Pole Configuration: Provides simultaneous interruption for two phases, or phase and neutral, enhancing safety.
• Thermal-Magnetic Trip Unit: Combines thermal protection for overload and magnetic protection for short circuits, offering comprehensive fault detection.
• C-Curve Tripping Characteristic: Suitable for circuits with moderate inrush currents, preventing nuisance tripping while ensuring rapid fault isolation.
• 3 kA Breaking Capacity: Robustly designed to safely interrupt short-circuit currents up to 3000 Amperes at 400 V AC.
• DIN Rail Mountable: Simplifies installation and integration into standard electrical panels and distribution boards.
• Suitability for Isolation: Conforms to SANS 60947-2, ensuring safe isolation of circuits for maintenance and repairs.
• Contact Position Indicator: Provides a clear visual indication of the breaker's operational status (ON/OFF).
• High Mechanical & Electrical Durability: Engineered for a long operational lifespan with 10,000 mechanical cycles and 4,000 electrical cycles.
• Wide Range of Current Ratings: Available in 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A to meet diverse application needs.
• Optimized Terminal Connections: Features tunnel type terminals compatible with both rigid and flexible conductors, with appropriate tightening torques for secure connections.
• Compact Design: Space-efficient dimensions (81mm H x 36mm W x 66.5mm D) for efficient panel layout.
• Environmental Compliance: Compliant with EU RoHS and REACH regulations, with packaging designed for sustainability (recycled cardboard, no single-use plastic).

Benefits

• Enhanced Safety: The thermal-magnetic trip unit provides reliable protection against both overload and short-circuit conditions, significantly reducing the risk of electrical fires and equipment damage.
• Reliable Performance: A 3 kA breaking capacity ensures that the Miniature circuit breaker. Easy9. 2P. C curve. 3 kA can safely interrupt high fault currents, maintaining system integrity even under severe conditions.
• Versatile Application: The C-curve characteristic makes this MCB suitable for a broad spectrum of residential, commercial, and light industrial applications, from lighting circuits to motor loads.
• Simplified Installation: Designed for quick and secure clip-on mounting to DIN rails, reducing installation time and effort. The clear contact position indicator further aids in system management.
• Long-Term Reliability: High mechanical and electrical durability ratings ensure that the Easy9 2P C-curve 3 kA MCB will perform consistently over many years, minimizing replacement needs and associated costs.
• Flexible Wiring: Tunnel type terminals accommodate a variety of cable types and sizes, offering flexibility during installation and ensuring robust electrical connections.
• Space Optimization: Its compact footprint allows for more efficient use of space within distribution boards, which is crucial in modern electrical installations where panel space is often at a premium.
• Environmental Responsibility: Adherence to stringent environmental standards like EU RoHS and REACH, along with sustainable packaging practices, supports environmentally conscious projects and operations.
• Cost-Effective Solution: As part of the Easy9 range, these MCBs offer a balance of performance, reliability, and affordability, providing excellent value for essential circuit protection.

In-Depth Technical Specifications

The Schneider Electric Easy9 2P C-curve 3 kA Miniature Circuit Breaker is engineered to precise standards, ensuring optimal performance and safety. The following specifications detail its capabilities:

Variations by Rated Current (In):

The Miniature circuit breaker. Easy9. 2P. C curve. 3 kA is available in several rated current options, each with specific terminal connection capacities and tightening torque requirements:

• For 6A, 10A, 16A, 20A, 25A (EZ9F53206, EZ9F53210, EZ9F53216, EZ9F53220, EZ9F53225):
  • Net Weight: Approximately 0.2 kg (210g for 25A, 214g for 6A/10A/16A/20A)
  • Connections - Terminals:
    • Tunnel type terminal (top or bottom): 1...25 mm² rigid
    • Tunnel type terminal (top or bottom): 1...25 mm² flexible
  • Tightening Torque: 2 N.m top or bottom
• For 32A, 40A, 50A, 63A (EZ9F53232, EZ9F53240, EZ9F53250, EZ9F53263):
  • Net Weight: Approximately 0.2 kg (238g for 32A, 242g for 40A/50A, 246g for 63A)
  • Connections - Terminals:
    • Tunnel type terminal (top or bottom): 1...35 mm² rigid
    • Tunnel type terminal (top or bottom): 1...35 mm² flexible
  • Tightening Torque: 3.5 N.m top or bottom

Ideal Use

The Miniature circuit breaker. Easy9. 2P. C curve. 3 kA is perfectly suited for a variety of electrical distribution applications where reliable and robust circuit protection is paramount.

• Residential Electrical Panels: Protecting lighting circuits, power outlets, and standard appliances in homes.
• Small Commercial Buildings: Ensuring safe operation of office equipment, lighting, and HVAC systems in retail stores, offices, and small businesses.
• Light Industrial Installations: Providing fundamental protection for machinery, control circuits, and general power distribution in workshops and light manufacturing facilities.
• General Purpose Circuits: Ideal for any circuit requiring protection against both overloads (due to excessive current draw) and short circuits (due to wiring faults), especially where moderate inrush currents (e.g., from motors or fluorescent lighting) are anticipated.
• Distribution Boards: As a primary or secondary protection device within main or sub-distribution boards.

Tips

• Correct Sizing: Always select the appropriate rated current (In) for the Miniature circuit breaker. Easy9. 2P. C curve. 3 kA based on the calculated load and cable size of the circuit it protects. Oversizing can lead to unprotected circuits, while undersizing can result in nuisance tripping.
• Professional Installation: While designed for easy installation, electrical work should always be performed by a qualified electrician to ensure compliance with local wiring regulations and safety standards.
• Proper Torquing: When connecting conductors, ensure that the tightening torque specified (2 N.m for lower currents, 3.5 N.m for higher currents) is strictly adhered to. Insufficient torque can lead to loose connections, overheating, and potential fire hazards, while excessive torque can damage the terminals.
• Regular Inspection: Periodically inspect the MCB for any signs of physical damage, discoloration, or loose connections. Although the MCB is durable, regular checks can identify potential issues before they become critical.
• Environmental Considerations: While the Miniature circuit breaker. Easy9. 2P. C curve. 3 kA has an IP20 rating, meaning it's protected against solid objects, it is not protected against water. Ensure it is installed in an enclosure that provides adequate protection against moisture, dust, and other environmental factors relevant to its location.
• System Coordination: For complex electrical systems, consider coordination studies to ensure that the Miniature circuit breaker. Easy9. 2P. C curve. 3 kA works effectively with other protective devices (e.g., upstream main breakers or fuses) to provide selective tripping and minimize power outages to unaffected parts of the system.
• Storage Conditions: Store the MCBs within the specified ambient temperature range (-40°C to 85°C) and avoid environments with high humidity or corrosive substances to maintain product integrity before installation.
• End-of-Life Disposal: Adhere to WEEE directives and local regulations for the proper disposal of the product at the end of its life cycle to minimize environmental impact. Do not dispose of it with general waste.