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

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Auto Draft mbsmpro
6, Jan 2026
Spot Welding Machine Circuit

Fabricators rely on the classic spot welding machine circuit featuring a half-wave rectifier for reliable AC-to-DC conversion. A heavy-duty step-down transformer boosts current for nugget formation, while an adjustable timer controls squeeze, weld, and hold phases precisely.​

Mbmpro-2026-01-05_185158 mbsmpro
5, Jan 2026
Embraco EGAS70HLC Compressor

The Embraco EGAS70HLC stands out as a reliable hermetic piston compressor designed for low back pressure (LBP) applications using R134a refrigerant. Rated at 220-240V 50Hz single phase, it delivers around 61W cooling capacity with 1.5A LRA and RSIR starting. Built in Brazil by J.G Therm, model C 796173 ensures durable…