Pfisterer MSA Joints
Minimise sheath currents and provide sheath voltage protection.
One-piece type MSA joints for 72.5 kV to 550 kV can be fitted with minimal installation work and safely join copper or aluminium conductor cables for their lifetime.
They consist mainly of a pre-assembled silicone joint body, and different variants are available.
For individual configuration there are numerous joint features to choose from, such as diverse outer and inner housings as well as various screen versions.
Features
- Lifelong reliable connection
- Numerous different versions available according to individual configuration
- Resilient design in all variants
- For cable cross-sections up to 2500 mm² and bonding cross-sections up to 630 mm²
- Individually tested before delivery
Designation |
Highest Voltage Um(kV) |
Nominal Voltage Um(kV) | BIL** (kV) | Partial Discharge Test (pC) | Conductor Cross- Section Range (mm2) | Ø Over Prepared Insulation (mm) |
MSA 72 | 72.5 | 60 – 69 | 325 | < 5 | 150 – 2000 | 37 – 87 |
MSA 123 | 123 | 110 – 115 | 550 | < 5 | 240 – 2500 | 45 – 122 |
MSA 145 | 145 | 132 – 138 | 650 | < 5 | 240 – 2500 | 45 – 122 |
MSA 170 | 170 | 150 – 161 | 750 | < 5 | 240 – 2500 | 45 – 122 |
MSA 245 | 245 | 220 – 230 | 1050 | < 5 | 240 – 2500 | 69 – 122 |
MSA 300 | 300 | 275 – 287 | 1050 | < 5 | 240 – 2500 | 69 – 122 |
MSA 420 | 420 | 380 – 400 | 1425 | < 5 | 630 – 2500 | 71 – 131 |
MSA 550 | 550 | 500 | 1550 | < 5 | 630 – 2500 | 71 – 131 |
Notes
** Lightning impulse (withstand voltage)
- Add suffix SM if sealing mastic is required in the kit (recommended for outdoor applications).
- Covers a different range of cable cross sections
