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| In general, the voltage-meter is used to test DC voltage signal, while by adding an AC/DC conversion circuit for AC signal testing. Currently, the AC voltage-meters prefer to use a simple average value response AC/DC Converter to decrease the cost and predigest the circuit. The common used average value response AC/DC Converter is of that a semi-wave or full wave line commutate type composed by o… |
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| Technical parameters:
1) Main circuit nominal insulation voltage: 660V
2) Main circuit nominal voltage: AC 380V
3) Auxiliary circuit nominal voltage: AC 220V, 380V, 110V
4) Rated frequency: 50 / 60Hz
5) Rated current:
a) Level bus: ≤3,200A
b) Vertical bus: 1,600A
6) Nominal short time withstand current (IS): 50kA, 80kA
7) Nominal peak reliability current: 105kA, 176kA
8) Pow… |
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| GCK1A low-voltage draw-out switchgear device can be used for the control over the power distribution and electromotor with 3-phase four-wire system or 3-phase five-wire system, and a voltage of 380V and 50Hz in power plants, metallurgy and steel rolling, petrochemical industry, ports and docks, buildings and hotels. GCK1A manufactured by our factory has passed an overall type tests and technical … |
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| GGD low-voltage fixed switch facility is applicable to the distributing systems with an alternating frequency of 50Hz, a rated working voltage of 380V and a rated working current of 3,150A used in the power plants, transformer substations and industrial enterprises. It is used for the purposes of power transformation, distribution and control of power, lighting and distributing equipment.
GGD … |
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| For switching power supply, DC/DC or DC/AC converters, ballasts TVs measuring instruments, computers, automatic training control systems, signaling systems, various
types of terminals, copy machines, printers and automobile lights. |
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| For switching power supply, DC/DC or DC/AC converters, ballasts TVs measuring instruments, computers, automatic training control systems, signaling systems, various
types of terminals, copy machines, printers and automobile lights.. |
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| Features:
1) Power: 50 – 300VA
2) Mainly used in power equipment
3) The cores are lapped by silicon steel sheet of high quality and have
been treated by insulation
4) Clean appearance and convenient installation
5) Some products have acquired UL, CE, CCEE certificate |
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| Features:
1) Power: 0 – 10W
2) The cores are lapped by silicon steel sheet of high quality and
have been treated by insulation
3) Clean appearance and convenient installation
4) Some products have acquired UL, CE, CCEE certificate |
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| Features:
1) EI-type
2) Middle power
3) Isolated / autotransformer
4) Mainly used in injection machines
5) Protects the switching power
6) Reduces the harm rate in switching power |
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| Features:
1) Output volt: 0 – 10,000V
2) Output current: 0 – 200Ma
3) Nice appearance
4) Used in testing apparatus of insulation,. |
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| Features:
1) Power: 50W – 1,200W
2) Specially used in switching power supply and kinds of
high-frequency circuit
3) Plays a role in oscillating and separating
4) Small volume, light weight and nice appearance |
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| Transformers made of the planar principle eliminate virtually all the shortcomings of old-fashioned wire wound types. In a planar design, the windings are made so of copper foil lead frames or printed circuit boards. (a flat copper spirals laminated into thin dielectric substrates). These windings are then sandwiched, along with appropriate insulators, between large area, yet thin, state-of-the-a… |
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