HJDW3-0.5 type low-voltage knife melting switchDetailed product description：

The HJDW3-0.5 low-voltage knife melting switch is suitable for outdoor 500V 50Hz distribution lines. As a protection and overload protection for the low-voltage side of transformers, it can meet the requirements of no-load transformers, no-load lines, and rated working currents under certain conditions

Usage environment

The altitude shall not exceed 2000 meters
The ambient temperature shall not exceed+40 ℃ and shall not be lower than -25 ℃
Relative humidity not exceeding 85% (relative to+25 ± 5 ℃)
No risk of combustion and explosion A place without severe vibration and impact, and without chemical substances that severely corrode metals and insulation materials

structural characteristics

The HJDW3-0.5 low-voltage knife melting switch is mainly composed of a contact blade, a contact head, a pillar porcelain bottle, a base, and other components, with 3 pieces per set. The product has a small volume, light weight, and is easy to install at high altitudes. The contact blade and contact head are locked by a spring, and the contact is good and reliable. It will not automatically open under normal vibration.