These two are copper terminal type parts.

The following is an analysis of features and functionalities：

Material and Characteristics: 

The main body is made of copper, utilizing its excellent conductivity to reduce resistance and heat rise during conduction, making it suitable for electrical connection scenarios, such as circuit connections in distribution equipment and electrical control systems.

Structural Design: 

Both have holes for fixation (for easier insertion of bolts, rivets, and other fasteners), as well as grooves/holes for cable crimping or connection with other conductors, ensuring a secure connection and enhancing the stability of electrical connections.

Processing Technology: 

Cut, drilled, and polished through mechanical processing to ensure dimensional accuracy and surface quality meet standards, guaranteeing installation compatibility and conductivity contact performance.

Application Differences: 

The first one is for multi-directional connections (three square ends), suitable for electrical nodes that require one to many routes; the second one is for unidirectional connections (one square end), used for single-direction circuit transfer and lead-out.

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