Electrical connector

An electrical connector, configured to be assembled with a circuit board, the electrical connector comprising:

• a seat body, comprising a main portion and at least one mount portion connected to each other;
• a signal joint, fixed to the main portion and having a terminal;
• a clamp component, movably disposed on the main portion for being selectively located closer to or farther away from the at least one mount portion, wherein the terminal of the signal joint is located at one side of the at least one mount portion located closer to the clamp component;
• at least one fastener, disposed on the at least one mount portion and selectively fastened to the clamp component;
• and
• a protective cover, having a recess, wherein the protective cover is removably sleeved on the at least one mount portion and the at least one fastener, the protective cover is partially located between the at least one mount portion and the clamp component, the terminal is located in the recess, an installation slot is formed between the protective cover and the clamp component, and the installation slot is configured for the circuit board to be inserted into for aligning the circuit board with the terminal.