Pre-Insulated Joints
MJPT Type

Insulated Joint MJPT is used for main line conductors with mechanical load. Crimping is done over the insulation according to engraved
marks on the Joint MJPT with crimping insert E 173 and E 215. After crimping process the Joint effectuates electrical contact and
waterproofness by elastomer rings. Waterproofness is tested in the water under voltage of 6 kV for a period of 30 minutes. Elastomer ring
is made in different colors so that cross sections can be recognized more easily. The inside of the Joint is filled with electrical contact grease.
Mechanical strength of the joint is: For LV ABC with all aerial bundled conductors: 80% of breaking force of the conductor;
For LV ABC with suspension conductor: 50% of breaking force of phase conductor; 100% of breaking force of insulated suspension conductor;
Technical specification:
• EN 50483-4
• NF C 33-02

Designation | Section1 (mm2 ) | Section 2 (mm2 ) | D1 (mm) | D2 (mm) | L (mm) | D (mm) | Die |
PHASES | MJPT 16/16 | 16 | 16 | 5.3 | 5.3 | 98.5 | 22 | E173 |
MJPT 25/25 | 25 | 25 | 6.5 | 6.5 |
MJPT 35/35 | 35 | 35 | 7.9 | 7.9 |
MJPT 50/25 | 25 | 50 | 7.9 | 7.9 |
MJPT 50/35 | 35 | 50 | 6.5 | 8.8 |
MJPT 50/50 | 50 | 50 | 7.9 | 8.8 |
MJPT 70/35 | 35 | 70 | 8.8 | 8.8 |
MJPT 70/50 | 50 | 70 | 7.9 | 10.4 |
MJPT 70/70 | 70 | 70 | 10.4 | 10.4 |
MJPT 95/35 | 35 | 95 | 7.9 | 10.4 |
MJPT 95/50 | 50 | 95 | 8.8 | 12.2 |
MJPT 95/70 | 70 | 95 | 10.4 | 12.2 |
MJPT 95/95 | 95 | 95 | 12.2 | 12.2 |
MJPT 120/120 | 120 | 120 | 14.3 | 14.3 | 136.8 | 25 | E215 |
MJPT 150/70 | 70 | 170 | 15.5 | 10.4 |
NEUTRAL | MJPTN 54.6/54.6 | 54.6 | 54.6 | 10.2 | 10.2 | 173.5 | 20 | E173 |
MJPTN 54.6/70 | 70 | 54.6 | 10.2 | 10.2 |
MJPTN 70/70 | 70 | 70 | 10.6 | 10.6 |

MJPB Type

Insulated Joint MJPB is used for network connection conductors or street lighting conductors from 4 to 35mm2. Crimping is done over
the insulation according to engraved marks on the Joint MJPB with crimping insert E 140. After crimping process the Joint effectuates
electrical contact and waterproofness by elastomer rings. Mechanical strength of the joint is 50% of breaking force of the conductor.
Waterproofness is tested in the water under voltage of 6 kV for a period of 30 minutes. Elastomer ring is made in different colors so that
cross sections can be recognized more easily. The inside of the Joint is filled with electrical contact grease.
Advantages:
• Material: Aluminum alloy.
• Insulation tube is made of weather and UV resistant polymer.
• Elastomeric ring and pre-filled grease enable waterproof performance.
• Water tightness test carried out at 6kV for 1 minute under water.
Technical specification:
• EN 50483-4
• NF C 33-021

Designation | Section 1 (mm2 ) | Section 2 (mm2 ) | d1 (mm) | d2 (mm) | L (mm) | D (mm) | Die |
MJPB 4 | 4 | 4 | 2.9 | 2.9 | 74.5 | 18.5 | E140 |
MJPB 6-4 | 6 | 3.3 |
MJPB 10-4 | 10 | 4.3 |
MJPB 16-4 | 16 | 5.3 |
MJPB 25-4 | 25 | 6.5 |
MJPB 6 | 6 | 6 | 3.3 | 3.3 | 74.5 | 18.5 | E140 |
MJPB 10-6 | 10 | 4.3 |
MJPB 16-6 | 16 | 5.3 |
MJPB 25-6 | 25 | 6.5 |
MJPB 35-6 | 35 | 7.9 |
MJPB 10 | 10 | 10 | 4.3 | 4.3 | 74.5 | 18.5 | E140 |
MJPB 16-10 | 16 | 5.3 |
MJPB 25-10 | 25 | 6.5 |
MJPB 35-10 | 35 | 7.9 |
MJPB 16 | 16 | 16 | 5.3 | 5.3 | 74.5 | 18.5 | E140 |
MJPB 25-16 | 25 | 6.5 |
MJPB 35-16 | 35 | 7.9 |
MJPB 50-16 | 50 | 8.8 |
MJPB 25 | 25 | 25 | 6.5 | 6.5 | 74.5 | 18.5 | E140 |
MJPB 35-25 | 35 | 7.9 |
MJPB 50-25 | 50 | 8.8 |
MJPB 35 | 35 | 35 | 7.9 | 7.9 | 74.5 | 18.5 | E140 |
MJPB 50-35 | 50 | 8.8 |
MJPB 50-50 | 50 | 50 | 8.8 | 8.8 | 74.5 | 18.5 | E140 |