The Harting 21033021001 is a Han 3A-STI-M-S male insert specifically engineered for demanding heavy-duty power connector applications. This robust insert features 3+PE (Protective Earth) contacts, providing a secure and reliable connection for power and grounding. The crimp termination method ensures a strong and lasting electrical connection, vital for industrial environments where vibration and harsh conditions are prevalent. Supreme Components International is an authorised distributor of Harting, guaranteeing that you receive a genuine, high-quality product. This male insert is a key component in building durable and dependable heavy-duty connectors, suitable for a wide range of industrial applications requiring secure power transmission. Its robust design and reliable performance make it an excellent choice for critical applications.