On this day we honor you, dear mother.Wish all mothers good luck and good health in their lives,while the flowers are in full bloom, while the time is ...
Dear Sir/Madam,Thank you for giving our company support in this year.The Chinese traditional Spring Festival is coming, We will have a holiday from Fe ...
Meet you at the 128th Canton Fair Online 2020 ...
ETEK ELECTRIC Wish you a happy Christmas and a happy holiday season.Thank you very much for your support of our cooperation over the past year,see you ...
AC contactors often use three arc extinguishing methods: double-fault electric arc extinguishing, longitudinal slit arc extinguishing and grid arc e ...
Features 1. After opening, establish a reliable insulation gap, and separate the equipment or lines that need to be overhauled from the power suppl ...
As an electromagnetic relay commonly used in electrical control systems, contactors have many specifications. Generally, the contactor controls the cl ...
Put into trip 1) The three-phase power line, including the neutral line, does not pass through the zero sequence current transformer in the same dire ...
The circuit breaker uses air as a medium for arc extinguishing, so it is also called an air-type low-voltage circuit breaker. Because of its conveni ...
The accurate level of the current transformer is the measurement error (zhi accuracy) dao of du, generally 0.2, inner 0.5, 1.0, 0.2S, 0.5S, 5P, 10P, ...
⑴ The coordination of circuit breaker and circuit breaker should consider the instantaneous release action value of the upper-level circuit breaker, w ...
Installation 1. Before installation, check whether the data on the nameplate of the leakage circuit breaker is consistent with the usage requiremen ...
The intelligent circuit breaker mechanism is located on the front of the circuit breaker. The mechanism adopts a five-bar linkage free release mecha ...
The fully insulated is to seal the 10KV primary charged high-voltage components such as busbars, circuit breakers, isolating switches, transformers, e ...
The working principle of the AC contactor is to use the electromagnetic force and the spring force to cooperate to realize the connection and breaki ...
Molded case circuit breakers are also called device circuit breakers. All parts are sealed in a plastic case. The auxiliary contacts, undervoltage rel ...
GCK low voltage withdrawable switchgear is widely used in power plants, substations, factories and mining enterprises and power distribution centers P ...
The timing relay can work between -40℃+55℃, and can work for up to 150 hours ...
Low-voltage circuit breaker insulation accidents can be divided into internal insulation accidents and external insulation accidents. The harm cause ...
The operation failure of the low-voltage circuit breaker is manifested by dragging or misoperation of the circuit breaker. Because the most basic an ...
Low-voltage circuit breakers are also called automatic air switches or automatic air circuit breakers, or circuit breakers for short. It is an electri ...
We sincerely invite you to visit our online booth and watch our live show of 127th Canton Fair Online. Live show: 10:00-22:00 GMT+8 from 15th to 24th ...
A letter to our customers: At the beginning of the Chinese New Year Spring Festival, China was shrouded in sudden new coronavirus. This epidemic viru ...
Dear Sir/Madam, Thank you for giving our company support in this year. The Chinese traditional Spring Festival is coming, We will have a vacation fr ...
