Miniature Circuit Breakers (MCB)

Miniature Circuit Breakers (MCBs) – Reliable Protection for Modern Electrical Systems

Our advanced MCBs are engineered to deliver dependable circuit protection and operational safety in both commercial and industrial environments. Designed for high performance and long-term reliability, these breakers ensure uninterrupted operation even in harsh or polluted conditions.

Key Features

• Safe Maintenance with Visible Indicators
  Built-in safety features like clear mechanical indicators help operators identify circuit status instantly, minimizing downtime during maintenance and enhancing worker safety.
• Fault Detection at a Glance
  Visual trip indicators provide immediate fault identification, reducing diagnostic time and ensuring quicker restoration of service.
• Class 2 Insulation for Extra Protection
  Offers double insulation to safeguard both skilled professionals and general users.
• Suitable for Harsh Environments
  Built to Pollution Degree 3 standards—ideal for use in dust-prone industrial zones or other polluted settings.
• Standard-Compliant Design
  Fully compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, meeting both residential and industrial application requirements.
• Flexible Expansion with Add-ons
  Compatible with a variety of add-on earth leakage modules and tripping auxiliaries such as shunt trips, under-voltage, and overvoltage releases for enhanced functionality.
• Seamless System Integration
  Fully compatible with modular protection systems including MCCBs for consistent performance across the entire electrical distribution chain.

Range Overview

Our MCBs come in three distinct models tailored to different application needs:

• Nominal Current: Available from 1 A to 63 A
• Breaking Capacity: Options up to 100 kA
• Tripping Curves: Choose from B, C, D, K, Z, and MA curves for precise application matching
• Voltage Ratings: Operational up to 440V AC; insulation voltage up to 500V
• Compliant for Use as an Isolation Device (IEC 60947 standard)

Benefits

• High-Visibility Safety Features for simplified fault detection and maintenance
• Fast, Ergonomic Installation with shuttered IP20B terminals
• Rugged Build allowing torque levels beyond industry norms for secure connections
• Eco-Friendly Manufacturing with recyclable materials and sustainable construction
• Easy Product Selection using intuitive labeling and part number system

Applications

Our MCBs are the go-to choice for protecting electrical circuits in:

• Industrial machinery and commercial installations
• Environments exposed to dust, pollution, or moisture
• DC applications and motor circuits requiring fast response and reliable interruption
• Any setting where uptime, safety, and durability are critical