A) BOX PA1, PA2

Field of use:

Boxes PA1, PA2 are used in signaling, centralization, block installations for mounting outdoor equipment near the railway line.
They are made of cast iron or fiberglass-reinforced resin.

Technical-constructive parameters:

• Maximum voltage at the terminals of the strips inside the PA1 / PA2 box: 220 V a.c .;
• Insulation resistance between the terminals of the strips and between them and the ground: minimum 2 MW, in dry state and minimum 0.25 MW in wet state;
• Overall dimensions: 420 x 450 x 690 mm for the PA2 box; 450 x 605 x 730 mm for PA1 box;
• Mass: approx. 80 kg (PA1); 45 kg (PA2) cast iron;

B) BOX UI 28 / UT 14

Field of use:


The universal intermediate and terminal boxes type UI 28 and UT 14 are used in signaling, centralization, block installations, as intermediate or terminal pickets for maneuvering signals. They are made of cast iron, or resin reinforced with fiberglass.

Technical-constructive parameters:

• Maximum voltage at the terminals of the strips inside the boxes: 220 V a.c .;
• Overall dimensions: UI box 28 – 310 x 280 x 700 mm, UT14 box – 206 x 205 x 725 mm;
• Mass: approx. 17 kg (cast iron);