Calculator for calculating 3-phase MCB, MCCB, and ACB amps

Table of Contents

Current Calculator (Ampere)

Voltage (Volt): Power (Watt): Cos Phi (Power Factor):

Results will appear here.

The above results have been multiplied by a safety factor. After getting the results, match them with the table below to select the appropriate 3-phase MCB (Miniature Circuit Breaker), MCCB (molded case circuit breaker), or ACB (Air Circuit Breaker).