Earth potential connections

Earth potential connections are indispensable components in electrical systems that establish a defined connection to earth potential. They are essential for setting up a reliable equipotential bonding system and ensure the electrical safety of systems and people.

Key features of earth potential connections:

  • Standardized connection points for equipotential bonding conductors
  • Robust construction for durable connections
  • Clear labeling with standard-compliant symbols
  • High conductivity for effective potential distribution


The earth potential connections must meet specific technical requirements in order to ensure the safe installation and function of the earthing and short-circuiting devices. This applies in particular to their dimensioning with regard to the current carrying capacity for possible short-circuit currents and their mechanical design for quick and reliable installation. The connection points must be marked in accordance with standards and must be accessible at all times to enable quick earthing in emergencies.

Earthing clamp for flat conductors

  • Material: CuNi, zinc-plated
  • With T-handle
Clamping range
[mm]
Rated values
Ir [kA]/tr = 1 s
Order no.
2318,764-0201-001
3829,664-0201-002
Earthing clamp with hand toggle
  • With wing bolt
Clamping range
[mm]
Rated values
Ir [kA]/tr = 1 s
Order no.
2318,764-0201-003
3829,664-0201-004
Earthing terminal with wing screw
  • With bayonet connector
Clamping range
[mm]
Rated values
Ir [kA]/tr = 1 s
Order no.
2318,764-0201-005
3829,664-0201-006
Earthing terminal with bayonet spindle

Universal earth clamp with handle

  • Material: brass, tin-plated
Connection to: Fixed ball point Ø [mm]Round conductor [mm]T-connection bolt [mm]Flat conductor [mm]Rated values Ir [kA]/tr = 1 sOrder no.
2510-2515≤2823,71)64-0102-007
20 / 2510-2515≤2818,7 / 23,71)64-0102-016
25/3010-2515≤2823,71)64-0102-012

1) The rated value for the T-connection bolt is always 13.8 kA.

Universal earth clamp with handle

Earthing terminal

  • Material: Ms, galvanized / E-Cu
Cable cross-section [mm²] Rated value Ir [kA]/tr = 1 s Order no.
50 9,9 64-0202-003
70 13,8 64-0202-004
95 18,7 64-0202-005
Earthing terminal

Cable lug with 13 mm hole

  • Material: E-Cu tin-plated

 

Cable cross-section [mm²]Rated value Ir [kA]/tr = 1 sOrder no.
509,964-0205-003
7013,864-0205-004
9518,764-0205-005
Cable lug of an earth potential connection

Cable lug with captive wing nut

  • Material: E-Cu, tinned
Cable cross-section [mm²]ThreadRated value
Ir [kA]/tr = 1 s
Order no.
25 – 120M1223,764-0213-001
150M1629,664-0213-002
Silberner Adapter mit Schraube

Cable lug with captive wing bolt

  • Material: E-Cu, tin-plated
Cable cross-section [mm²]ThreadRated value
Ir [kA]/tr = 1 s
Order no.
25 – 120M1223,764-0214-001
150M1629,664-0214-002
Silberne Schraube mit Flügelschraube verzinkt

Other fixed points and connection terminals

Phase fixed point for EKV

Phase fixed points

Metallic earthing fixed point

Earthing fixed points

Phasenanschlussklemme

Line clamps