GE Circuit Breaker FGRL43NL0250 /7

08/12/2025

AC Servo Motor Construction and Working

Most servo motors used in servos are AC motors. Figure 1 shows a circuit diagram of an AC servo motor.

02/02/2023

How to Reduce Gear Noise?

During gear transmission, gears scrape and contact each other, and repeatedly, resulting in noises.

06/29/2020

Several causes of compressor burning

03/25/2025

Knowledge of two air conditioners the same and different between evaporator and condenser

Condenser and evaporator are heat exchangers, which are widely used in refrigeration systems of high and low temperature alternating damp heat test chambers, constant temperature and humidity test chambers and other equipment.

08/15/2020

How to control the heat dissipation problem when the air conditioner in the computer room is turned off

Most buildings will be equipped with air-conditioning or air-conditioning systems already installed. For companies that rent office areas, it is difficult for the building to provide a complete computer room.

09/16/2020

Why can't I repair the cold welding machine Easy to fall off

Question: Why can't the patching machine be fixed? Easy to fall off? Answer: The main reasons for the failure to fix are: 1. The surface of the mold is not cleaned, and there are impurities such as oil, dirt, and oxides between the supplement and the mold.

07/02/2020

Copeland compressor analyzes the current status of centrifugal compressors

Copeland compressor analyzes the current status of centrifugal compressors Copeland compressor is a common compressor brand, and the same Copeland compressor brand can be divided into many types of compressors, such as centrifugal compressors, piston compressors, liquid ring compressors, diaphragm compression Machine etc.

07/29/2020

Common reasons and maintenance methods for the fan not rotating outside the air conditioner

Common reasons and maintenance methods for the fan not rotating outside the air conditioner After the air conditioner is used for a long time, or the installation process is not in place,

08/13/2020

Water-cooled chillers need to be cautious when choosing cooling towers

In many special use environments, companies need to apply water-cooled chillers. Because water-cooled chillers need the help of cooling towers during operation, they need to follow the

08/31/2022

How to Calculate the Breaking Capacity?

The breaking capacity of the circuit breaker is an important indicator of the circuit breaker, which refers to the ability of the circuit breaker to safely cut off the fault current. There are 36KA, 50KA and other specifications.