Shanghai Dianjie Industry and Trade Co., Ltd.

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Railway signal equipment plays a crucial role in train safety. In order to ensure the normal operation of ground signal equipment, protection measures must be taken for railway signal equipment, among which signal power protection is the most important. In order to ensure the normal operation of railway signal equipment by railway signal power supply, a graded protection method must be adopted for the protection of railway signal power supply. Railway signal circuit breakers have significant functions such as reusability and delayed power cut-off, especially hydraulic electromagnetic circuit breakers are more suitable for practical application scenarios. In the early 1990s, traditional glass tube fuses were gradually replaced through trial and promotion, and widely used in the protection of railway signal power equipment.
The South African CBI hydraulic electromagnetic circuit breaker has gradually established its market preferred and leading position in the Chinese railway signal industry due to its resistance to environmental temperature, high quality and safety performance, long service life, and diverse selection, accompanying the high-speed development of Chinese railways for over 30 years. Participated in drafting the railway standard TB/T 3497-2017 "Standard for Hydraulic Electromagnetic Circuit Breakers for Railway Signaling", which is a benchmark for industry products.
South African CBI hydraulic electromagnetic circuit breakers have been providing high-quality products and advanced, reliable, and safe application solutions for railways for decades based on the actual application technology conditions of railway signals. They are widely used in railway signal combination cabinets, train control interlocking cabinets, track circuits, ZPW-2000 series, signal lighting units, outdoor box chokes, intelligent applications, monitoring, axle counting, power supply panels, lightning protection boxes, fully electronic computer interlocking cabinets, and other special occasions. As one of the core components of railway signaling, it has long been trusted by railway design departments, research and development departments, construction departments, and end customers. Its products cover various fields such as national railways, local railways, urban rail transit (subway), and trams.
At the same time, these solutions are also widely used in overseas railway projects, such as Indonesia Yavan High speed Railway, China Thailand Railway, China Laos Railway and Hungary Serbia Railway.
In addition, the electromagnetic interference problem caused by switch EMC noise in railway signal equipment applications, our Blueferrite nanocrystal magnetic ring product, by installing the nanocrystal magnetic core in front of the switch equipment and around the output cable as impedance, reduces the impact of high-frequency current on equipment components, avoids unnecessary maintenance costs, and increases the maximum effective utilization rate of the equipment.

# Railway signal

Combination cabinet

Combination cabinets are a type of signal cabinet located in the mechanical room. They are used for installing relay combinations, power supply combinations, and other electrical components and equipment, and can reflect the operating status of outdoor signals. Y-series circuit breakers are used.

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