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

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mbmpro-2026-01-13_225248-mbsmpro mbsmpro
13, Jan 2026
Compressor, Jiaxipera, TT1113GY, 1/5 hp

The Jiaxipera TT1113GY is a high-performance hermetic compressor engineered for Low Back Pressure applications using R600a (Isobutane). Featuring a 11.3 cm³ displacement and a cooling capacity of 183 Watts, it represents the gold standard for modern energy-efficient refrigeration, offering exceptional reliability and reduced acoustic emissions in the domestic market.

Free money Copper mbsmpro
12, Jan 2026
Free money Copper

In the world of refrigeration maintenance, a pile of discarded components tells a story of hard work and technical precision. Every replaced filter drier represents a saved compressor, and every vacuum pump represents a system brought down to perfect microns. This guide explores the technical value behind HVAC scrap and…

855AWP-1A-C2 30A power relay mbsmpro
12, Jan 2026
855AWP-1A-C2 30A power relay

The Song Chuan 855AWP-1A-C2 is a high-performance 30A power relay designed for demanding electrical environments requiring robust 12V DC coil actuation. Primarily used in HVAC systems and heavy-duty industrial controls, this relay ensures reliable switching for loads up to 240VAC. This comprehensive guide provides essential technical insights, wiring configurations, and…

78XX IC Family, Voltage Regulator mbsmpro
12, Jan 2026
78XX IC Family, Voltage Regulator

The 78XX series is the industry-standard family of linear voltage regulators, providing fixed regulated output from 5V to 24V at up to 1.5A. This comprehensive guide covers the 7805, 7812, 7815, and 7824 variants, their specifications, internal architecture, thermal design, practical circuit applications, and professional troubleshooting tips for reliable power supply design.

Kelvinator Inverter AC, Error mbsmpro
12, Jan 2026
Kelvinator Inverter AC, Error

When your Kelvinator inverter split air conditioner displays an error code (E1, E2, E3, F1, F2, F3, etc.), it is signaling a specific system fault. This comprehensive guide explains every major error code—from sensor failures and communication breakdowns to compressor and power module protection triggers—and provides professional troubleshooting steps.

Transistor IGBT, G80N60UFD, 600 V, 80 A mbsmpro
12, Jan 2026
Transistor IGBT, G80N60UFD, 600 V, 80 A

The G80N60UFD is an ultrafast 600 V, 80 A insulated‑gate bipolar transistor in a robust TO‑3P package, designed for high‑efficiency industrial inverters. Combining MOSFET‑like gate control with low saturation voltage and a co‑pack fast recovery diode, it is ideal for motor drives, induction heating, welding machines, UPS and PFC stages.

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.

Auto Draft mbsmpro
12, Jan 2026
ACME Flare Types

textRefrigeration compressor thread connections are critical components in HVAC systems. Understanding ACME flare specifications, including 7/8" suction, 5/8" discharge, and 1/2" process ports, ensures proper equipment selection, safe installations, and efficient cooling operations in industrial refrigeration applications.

STC-9200 Temperature Controller mbsmpro
12, Jan 2026
STC-9200 Temperature Controller

"The STC-9200 digital temperature controller is a professional-grade thermostat designed for industrial refrigeration and freezing applications. This advanced multi-stage controller features precise temperature regulation from -50°C to +50°C, integrated defrost management, and robust relay capacity for compressor control, making it ideal for commercial cooling systems and display cases."

SECOP SC21G COMPRESSOR mbsmpro
11, Jan 2026
SECOP SC21G COMPRESSOR

Secop SC21G is a high-performance hermetic reciprocating compressor designed for commercial refrigeration and freezing applications using R134a refrigerant. This guide covers detailed specifications, technical parameters, and installation requirements for 220-240V/50Hz systems at up to 1.3 amperes.