Earth Clamps For Earthing & Short-Circuiting Devices MV HV

Earth Clamps For Earthing & Short-Circuiting Devices MV HV
Earth Clamps
Pfisterer offers an extensive range of earth clamps for earthing and short-circuiting devices. These Pfisterer earth clamps are offered in various types, which are designed for different earth connection variants in indoor and outdoor installations.
- Earth clamps available in clamping ranges from 2 to 25 mm
- Earth clamps available with short-circuit current carrying capacity up to 29. kA/1 s
- Compact, robust design
- Easy handling
- Connected to an earthing and short-circuiting device by an M12 screw
Thorne & Derrick also stock and distribute the CONNEX range of medium voltage electrical equipment and cable accessories manufactured by Pfisterer to support the construction and operation of Gas Insulated Switchgear, Transformers & Power Systems – this includes cable connectors, bushings, surge arresters and ancillary substation connection products.
Universal Earth Clamps U1
Earth clamp with capstan-head screw for use at various earth connection points.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) | Clamping width (mm) |
360 414 001 | 95 | 18700 | 2 – 20 | 38 |
Universal Earth Clamps U2
Earth clamp with capstan-head screw for use at various earth connection points. Suitable for higher short-circuit currents.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) | Clamping width (mm) |
360 364 001 | 150 | 29600 | 2 – 20 | 38 |
Universal Earth Clamps U3
Earth clamp with handle for use at various earth connection points.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) | Clamping width (mm) |
360 704 004 | 95 | 18700 | 2 – 20 | 38 |
Universal Earth Clamps U4
Earth clamp with capstan-head screw for use at various earth connection points.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) | Clamping width (mm) |
364 704 003 | 150 | 23700 | 2 – 20 | 38 |
Universal Earth Clamps U5
Earth clamp with capstan-head screw for use at various earth connection points.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) | Clamping width (mm) |
364 714 002 | 120 | 23700 | 2 – 25 | 38 |
Earth Connection socket A1
Earth connection socket with wing screw for connection to a cylindrical earthing bolt.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) |
364 811 001 | 150 | 29600 | 16 |
Earth Connection Sockets A2
Earth connection socket with capstan-head screw for connection to a cylindrical earthing bolt.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) |
364 811 002 | 150 | 29600 | 16-22 |
Earth Clamps E2
Earth clamp with capstan-head screw.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) |
364 419 004 | 70 | 13800 | 2-30 |
Penetrating Earth Clamps F1
Earth clamp with capstan-head screw for use on coated masts. The cupped gripping point and tip are hardened to ensure reliable contact.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) |
360 419 002 | 50 | 9900 | 2-20 |
Gosag Penetrating Earth Clamps F2
Earth clamp with capstan-head screw for use on coated masts. The cupped gripping point and tip are hardened to ensure reliable contact.
Pfisterer Part Number | Max. cross section of connected cable (mm²) | Max. short-circuit current Ik 1 s (A) | Clamping range (mm) |
360 628 002 | 95 | 18700 | 2-22 |

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