Vacuum Contactors 3TL8

The Slim


3TL8 vacuum contactors are 3-pole contactors with electromagnetic operating mechanism for medium-voltage switchgear.

3TL8 vacuum contactors

■ 7.2 kV rated voltage
■ 400 A rated normal current
■ 250T mechanical operating cycles

Please find detailed information in our catalogue.

Technical Data



Rated voltage

7.2 kV

Rated frequency

50/60 Hz

Rated normal current

400 A

Rated making current*

4000 A

Rated breaking current*

3200 A

Mechanical service life
of the contractor*

1 million
operating cycles

Electrical service life
of the vacuum interrupter
(rated current)*

0.25 million operating cycles

* Switching capacity according to utilization category AC-4