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1. Low-voltage distribution boxes mainly include dual power supply switching boxes, power distribution boxes, lighting distribution boxes, maintenance power supply boxes and local control boxes. The low-voltage distribution box uses products that are small in size, low loss, low noise, no self-explosion, low smoke, halogen-free, flame retardant or fire-resistant, and are used in various environments in public areas, equipment areas and tunnel sections of subway stations.
1. The full name of EMU is EMU train (d-series high-speed train), which is a type of modern train. It consists of at least two carriages with driving power (referred to as EMU) and several carriages without traction (referred to as trailer). composition. In order to increase the convenience of using the EMU, more electrical equipment will be installed on the EMU, and the electrical equipment will be connected to the power distribution cabinet to facilitate management by the crew. In order to not occupy the aisle of the EMU, the existing power distribution cabinet Most of the spaces are fixed and embedded inside the decorative panels, but this installation method is not convenient for maintenance personnel to perform later maintenance or inspection. In this way, an EMU power distribution cabinet is proposed.
The function and common faults of the fault indicator light of the distribution cabinet
The fault display light of the EMU power distribution cabinet is mainly used to indicate the working status of the power distribution cabinet and plays a key role in ensuring the normal operation of the EMU. Common faults include damaged bulbs, loose lamp holders, circuit failures, etc.
Steps to replace the fault indicator light of the power distribution cabinet
1. First, turn off the power supply of the distribution cabinet to ensure safe maintenance;
2. Remove the faulty lamp and check whether the circuit, lamp holder, etc. are loose or damaged;
3. Confirm the model and specifications of the lamp that needs to be replaced;
4. Install the new fault lamp onto the lamp holder, making sure the connection is firm;
5. Confirm that the positive and negative poles of the lamp are connected correctly;
6. Turn on the power supply of the distribution cabinet and perform a test run to ensure that the lights are working properly.
Precautions
1. When replacing the fault indicator light of the distribution cabinet, the power needs to be cut off to ensure personal safety;
2. During disassembly, be careful not to damage other components;
3. When replacing light bulbs, choose lamps that meet the specifications to avoid malfunctions caused by too high or too low rated power;
4. When the lamp holder and circuit are loose or damaged, they need to be repaired in time to avoid affecting normal use.
In short, when replacing the fault indicator light of the EMU power distribution cabinet, you need to pay attention to safety, operate it correctly, and choose appropriate accessories to avoid affecting normal operation. I hope this article can help you better understand and use this accessory.
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Main Product:
Assembly Parts for Rail Car,
Structure Parts of Rail Car,
Metal Mount,
Junction Box,
Metal Mounting Strip ,
Metal Hanging Plate
