Surge Protective Device (SPD), also known as lightning arrester, is an electronic safety apparatus designed to safeguard various electronic equipment, instruments, meters and communication lines.
When external interference induces sudden peak currents or voltages in electrical circuits or communication lines, the SPD will conduct and divert surge currents within an extremely short time, preventing surges from damaging other equipment on the circuit.
This SPD is applicable to AC power supply systems with a frequency of 50/60 Hz and a rated voltage of 220 V / 380 V. It provides protection against electrical surges caused by direct and indirect lightning strikes or other transient overvoltages, and meets surge protection demands for residential buildings, the tertiary industry and industrial sectors.
HYM1 series molded case circuit breaker (hereinafter referred to as circuit breaker) is suitable for distributing network of AC 50Hz (or 60Hz), rated insulation voltage 690V, rated working voltage 690V or below and rated current 1250A or below. It can be used to distribute electric energy and protect the circuit and electric equipment against overload, short circuit and under voltage, furthermore, the circuit breakers of frame size 400A below also can protect the motor against overload, under voltage and short circuit. Under normal condition, the circuit breaker also can be used to switch the circuit and start the motor infrequently. The products are in conformity with such standards as IEC 60947-2 and GB 14048.2.
HYB1 series miniature circuit breaker (hereinafter referred to as circuit breaker) is a current-limiting high-breaking miniature circuit breaker with both overload protection and short circuit protection, suitable for the circuit of AC 50Hz or 60Hz, rated working voltage 230V and below, rated current 32A, to protect the circuit against overload and short circuit in the distribution system of resi dential houses.
The products are in conformity with such standards as GB10963 and IEC60898-1.
SC(B)10-30~2500/10 Epoxy Resin Cast Dry Type Distribution Transformer material is of high quality, scientific formula, and is produced by professional production and testing equipment according to strict technology. The product has the characteristics of high reliability and long service life. According to the different use environment, different protection levels of the shell or no shell can be configured. It can be used as an oil-immersed transformer replacement products, suitable for high-rise buildings, commercial centers, airports, tunnels, chemical plants, nuclear power plants, ships and other important or special environmental places.
CNKEEYA,SCBH15-100~2500/10 Amorphous Alloy Dry Transformer can replace the transformer of silicon steelcore and is widely used in outdoor power distribution systems.Thelarge-scale operation of this product can achieve good energy-saving effect and reduce pollution to the atmosphere.This productis especially suitable for insufficient electrical energy and loadfluctuations in and difficult to carry and insulating medium fromatmospheric pollution.This allows it to operate in humidenvironments.It is an ideal power distribution equipment in thevast distribution network of urban and rural areas.
S11-M-50-2500/20(10) Fully sealed distribution transformers is a double voltage transformer, that is, suitable for 1 O KV voltage, but also suitable for 20KV voltage power supply area, can achieve the grid voltage exchange, do not need to replace the transformer, reduce waste, save investment and reduce construction amount and construction time.
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