MCCB (Molded Case Circuit Breaker)

Description

Product Range / Variants

• Standard MCCB (Fixed Type)

• Adjustable MCCB

• Thermal-Magnetic MCCB

• High Breaking Capacity (HBC) MCCB

• Electronic/Smart MCCB

• Single-Pole, Two-Pole, Three-Pole, Four-Pole MCCB

• AC/DC Rated MCCB

• MCCB with Auxiliary Contacts & Alarm Contacts

Key Features

• Overload protection with thermal trip

• Short-circuit protection with magnetic trip

• High breaking capacity for industrial loads

• Compact and insulated housing

• Adjustable current rating (select models)

• Easy installation and maintenance

• Trip indication for fault diagnosis

• Compliance with international standards (IEC 60947-2)

Technical Specifications

• Rated Voltage: 230V – 1000V AC / DC

• Rated Current: 10A – 1250A (depending on model)

• Breaking Capacity: 10kA – 100kA

• Poles: 1P, 2P, 3P, 4P

• Tripping Mechanism: Thermal-Magnetic / Electronic

• Standards Compliance: IEC 60947-2 / IS 13947-2

• Mounting Type: Panel / DIN Rail

• Ambient Temperature: -5°C to +40°C

• Frequency: 50/60Hz

Applications

• Industrial and commercial electrical panels

• Motor and machinery protection

• Power distribution boards

• Residential and commercial buildings

• Renewable energy systems (solar/wind)

• Switchgear and control panels

• Backup and emergency power circuits

Benefits

• Protects circuits from overcurrent, overload, and short-circuits

• Reduces risk of electrical fires and equipment damage

• Easy to install and maintain with modular design

• Adjustable settings provide precise protection

• Reliable operation in industrial and commercial environments

• Compact design saves space in switchgear panels

Material Grades / Build Options

• Housing: High-strength thermoset plastic (Molded Case)

• Contacts: Copper / Silver Alloy for high conductivity

• Trip Mechanism: Thermal bimetallic strip + Magnetic coil / Electronic module

• Terminals: Tin-plated or Silver-plated copper

• Auxiliary Options: Alarm contacts, shunt trip, undervoltage release