XLR connectors are used for charging and communication purposes.These  connectors are designed to withstand high-power charging and harsh environmental conditions.

Types:

XLR 3-pin: used for Level 1 (120V) charging

Features:

1. High-current rating (up to 500A)
2. High-voltage rating (up to 1000V DC)
3. Waterproof and dustproof (IP67 or higher)
4. Secure locking mechanism
5. Shielded for EMI protection

Use in Electric Vehicles:

1. Charging ports (Level 1, Level 2, DC Fast Charging)
2. On-Board Chargers (OBCs)
3. Electric Vehicle Supply Equipment (EVSE)
4. Communication between vehicle and charging station
5. Battery management systems

Advantages:

1. Reliable and secure connection
2. High-power charging capability
3. Resistance to environmental factors (temperature, vibration)
4. Compact design