Technical data, tools and notes for refrigeration and electronics technicians.

image_pdfimage_print
MCB miniature circuit breaker thermal magnetic protection mechanism mbsmpro
12, Jan 2026
MCB miniature circuit breaker thermal magnetic protection mechanism

An MCB (Miniature Circuit Breaker) is an automatic electrical switch that protects circuits from overloads and short circuits. Using dual thermal-magnetic mechanisms, MCBs detect abnormal currents and instantly disconnect power to prevent equipment damage and fire hazards. Compact, reliable, and essential for modern electrical safety.

Mbsm pro private media diode zin wat
22, Dec 2025
Zener Diode Series 1N746 to 1N5369 Overview

Zener diodes are essential components in voltage regulation and protection circuits. This guide provides a detailed overview of three popular power ratings: 0.5W, 1W, and 5W Zener diode series, covering part numbers from 1N746 to 1N5369 and voltage ranges from 3.3V to 100V. Whether you're designing a power supply, voltage…