Principle and method of arc extinguishing of circuit breaker
Arc extinguishing is one of the important applications of circuit breakers, because the arc will not only damage equipm ...
Which industries and equipment can regulators be used?
Voltage regulators can be divided into two categories: single-phase 220V and three-phase 380V regulators. Voltage regul ...
Maintenance of Regulator
Regulator is a kind of equipment which provides stable output voltage according to the requirements of electrical equip ...
Specification for the Use of Regulators
1. Access to municipal electricity (according to the stipulated wiring standards for left, zero and right fires) (1) ...
Key Points for Purchasing Regulators
It is suggested that at least three times the actual power of the regulator should be chosen, because the regulator sho ...
Principle of Voltage Regulator
Voltage regulator is a device to stabilize the output voltage. The regulator is composed of voltage regulating circuit, ...
What's the use of AC regulators?
AC regulator has high standard, high quality, leading reputation, leading quality and high quality service. The situati ...
How to choose a suitable regulator?
1. Please determine the range and frequency of 220V voltage jump in your home, and then buy a regulator. For example, i ...
Why use a regulator/stabilizer?
With the rapid development of society, electrical equipment is increasing day by day. More and more civil and commercia ...
Professional Interpretation of Regulator/Stabilizer
Voltage regulator is a device to stabilize the output voltage. The regulator is composed of constant voltage, control c ...
How many connection modes of circuit breaker?
The connection modes of circuit breakers are mainly divided into four types: front-board connection, back-board connect ...
Operation and Maintenance of AC Contactors
Regular or regular inspection of ac contactor operation and necessary maintenance are important measures to ensure its ...
Major Measures to Improve the Life of Low Voltage Magnetic Contactors
Magnetic Contactor is an important component of low voltage electrical apparatus. Its life is one of the main indexes o ...
Maintenance Points of Low Voltage Circuit Breakers
Low-voltage circuit breaker is a switching device that can switch on, load and analyze the current under normal circuit ...
How to choose Low Voltage Circuit Breaker
(1)The rated current and rated voltage of low-voltage circuit breaker should be greater than or equal to the normal wor ...
Development of Miniature Circuit Breaker (MCB)
As the main product of terminal electrical appliances, the development of miniature circuit breakers has always led the ...
Development Direction of Molded Case Circuit Breaker
Molded Case Circuit Breaker (MCCB) The new generation of plastic case circuit breaker has made great breakthroughs in ...
Cautions in the Use of RCCB
RCCB, commonly known as leakage switch, can not only protect personal safety, but also supervise the insulation of low- ...
How to Select Contactors
Contactors are mainly composed of electromagnets and contacts. Contactors with larger capacity also have arc extinguishi ...
Reasons for Burn-out of Circuit Breakers
It has little to do with the electrical appliances in the house. Perhaps the rated current of the circuit breaker is too ...
Cautions and Requirements for Installation of Distribution Box
Distribution box is a low-voltage distribution device which assembles switchgear, measuring instruments, protective appl ...
Analysis and Treatment of Low Voltage Switch Faults in Distribution Box
Low-voltage switch belongs to the high-frequency electrical appliances in low-voltage electrical appliances. They are of ...
Initial Cause of Distribution Box Fire
First, the causes of distribution box fire mainly include the following four aspects: 1. Leakage fire: The so-called le ...
Switching of MCCB
Switches in MCCB have two main functions: they are usually used to set the main parameters such as trip current and lag ...
