Products Description
Products profile
The M4 zinc-plated screw wire terminal is a key component in electrical systems, designed to securely connect wires to various electrical devices. It is widely used in fuse terminal applications, providing a reliable connection point. The terminal block clamp ensures a stable and secure connection, while the screw-in terminal block design offers easy installation and maintenance.
Product parameters
Thread pitch
The M4 screw terminal has a thread pitch of 0.7mm. This pitch allows for precise and consistent tightening of the screw. A proper thread pitch ensures that the screw can be easily turned and securely hold the wire in place.
Torque
The screw can withstand a torque of 1 - 1.5 Nm. This torque value is important for ensuring that the screw remains firmly in place under different load conditions. A higher torque value can prevent the screw from loosening over time, especially in applications where vibrations are present.
Current capacity
The terminal can handle a maximum current of 15 amps. This capacity is determined by the size of the terminal and the type of wire it is designed to connect. It is important to ensure that the terminal is used within its rated current capacity to avoid overheating and potential damage.
Our screw terminal block production process
Forming
The steel is cut into the appropriate shape and size. The M4 screw terminal is then formed through stamping or machining. The stamping process involves pressing the metal into the desired shape, while machining can be used to create more precise features.
Plating
The zinc plating is applied to the steel surface through electroplating. This process involves immersing the steel in a solution containing zinc ions, which are then deposited onto the surface. The plating thickness is carefully controlled to ensure good corrosion resistance and a smooth finish.
Assembly
The contact parts made of copper alloy are inserted into the terminal block. The insulating material is then assembled around the terminal block to provide electrical insulation. The screw is inserted and tightened to complete the assembly.
Screw terminal block structure disassembly
Screw removal
The screw can be easily removed using a screwdriver. This allows for access to the wire connection. The screw is designed to be easily turned, making it convenient for installation and removal.
Terminal separation
The terminal block can be separated into two parts by removing the screw. This enables inspection and replacement of the contact parts or the wire. The separation is designed to be simple and quick, allowing for easy maintenance.
Wire removal
The wire can be removed from the terminal block by loosening the screw. This makes it easy to replace or repair the wire. The wire is held in place by the screw, and loosening the screw allows for easy removal.
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