Fuse link with striker VVT-D3 24kV/6A 004252005

### Reliable medium voltage protection

Fuse link VVT-D3 24kV/6A is an element designed to protect medium voltage (MV) electrical and power equipment against the effects of short circuits and overloads. It is suitable for protecting cables, transformers, motors, and capacitor banks. The design of the fuse link, including the thermal release, provides protection not only against short-circuit currents but also against uncontrolled temperature increases.

### Characteristics and application

VV series fuse links, and particularly the VVT-D3 model, are characterized by high reliability and are a proven solution in medium voltage installations. Equipped with a thermal release, they trigger a striker with a force of 80N when the fuse body reaches a temperature of approximately 120°C – regardless of the source of heat. This is particularly important in SF6 gas switchgear, where traditional protection may be less effective. The breaking capacity of 63 kA guarantees effective circuit interruption in the event of a short circuit.

### Advantages for installers and users

* **High selectivity:** The thermal release reacts to temperature, not to momentary current surges, minimizing the risk of unnecessary tripping of the installation during the start-up of equipment with motors or other loads with high inrush current.

* **Tripped indication:** The striker protrudes after operation, making it easier to identify a blown fuse and locate the problem. The striker force is 80N.

* **Durable construction:** A high-strength ceramic tube and galvanically protected contacts ensure long-lasting and reliable operation. The fuse element is made of silver.

* **Moisture protection:** A reliable sealing system protects internal components from moisture, increasing the service life of the fuse link.

* **Easy replacement:** An improved contact cap facilitates and speeds up the replacement process during maintenance or repair.

* **Compliance with standards:** The fuse link has technical reports from KEMA Labs confirming its quality and safety.

* **High short-circuit interrupting capacity**: Provides effective protection of the installation against the effects of short circuits with high current intensity (up to 63 kA).

* **Minimum breaking current**: A value of 25A ensures correct operation even with smaller short circuits.

Additional information: cold resistance is 900 mΩ, and power loss is 56 W. The minimum I²t pre-arcing integral is 36 A²s, and the maximum I²t max is 340 A²s. The fuse diameter is 53 mm, and the length is 442 mm with a weight of 2.3 kg.