Témoins d’usure 4NRJ

A system for visually check the wear of the contact wire. The installation is carried out from the ground. The trip rating is predefined and adapted to different types of son contact. When the wear dimension is reached, the brass blade breaks. The open position of the blade is visible from the ground.

Advantages
- Allows to be placed on the ground without electric logging on the network 1500V
- Enables visual check of the wear of the contact wire also from ground

Characteristics
- Dimensions: 70 x 45 x 15 mm
- Weight: 32.5 g
- Material: Structure injected polymer, stainless steel reinforcement, brass leaf spring

Patent SNCF / 4NRJ