MCCB

Overview

Requirements are increasing for cost-effective and energy-efficient operation of the electrical power distribution. Whether in industrial applications, buildings, or infrastructure: As a modular, highly variable system, the range of 3VA molded case circuit breakers provides thoroughly reliable operator and plant protection while supporting every process phase – from planning to the operation of electrical power distribution.

Technical Specifications

Tested in accordance with IEC60947

3VA1 molded case circuit breakers

• Performance range from 16 A to 1000 A
• Breaking capacity between 16 kA and 110 kA at 415 V AC
• 1-, 2-, 3- and 4-pole versions
• Thermal-magnetic trip unit
• Suitable for DC applications
• Available as starter protection version and as switch disconnector

3VA2 molded case circuit breakers

• Performance range from 25 A to 1,600 A
• Breaking capacity between 55 kA and 150 kA at 415 V AC
• Electronic trip unit
• Excellent selectivity values at high breaking currents
• Integrated measurement value display (ETU 5-series, 6-series and 8-series)
• ETU 6-series and 8-series: integrated measurement function for current, voltage, and energy values
• Communication capability with PROFIBUS, PROFINET, Ethernet (Modbus TCP), and Modbus RTU