Circuit breakers

  • Circuit breakers
  • Technical parameter
  • Tests
  • Service

Circuit breakers can not only switch operating currents and low overload currents, but also in case of network failures high overload currents and short-circuit currents. Furthermore they can hold the residual currents within a given period of time and then switch off safely.

The quenching of the arc takes place in the maintenance free vacuum chamber. SERW circuit breakers have been designed with the primary aim of increasing the plant efficiency. The areas of application range from energy distribution (three-pole design), industry to railway (single- and two-pole design).

All circuit breakers are equipped with a spring mechanism.

The main strengths of our circuit breakers:

  • Long service life
  • Maintenance-free
  • Low weight
  • Single-, double- or three-phase design
  • Equipped with a motor drive

The drives can be mounted according to customer requirements. Project-specific design after consultation.

Rated Voltage 27,5kV


Rated Current 1250A
Short-Circuit Current (3s) 25kA

Rated peak withstand current

Rated Short Duration Withstand Voltage 80; 95kV 80kV 80kV 80kV
Rated Lightning Impulse Withstand Voltage 180; 200kV 180kV 180; 200kV 180kV

All our products are produced according to the norm IEC 62271-102. We ensure our quality with the quality management system ISO 9001.

After the installation of our switching devices we take quick service and delivery of spare parts for granted.

  • General information:

  • Contacts:

    Pavel Chaluš

    Director Sales
    T +420 377 965 057
    This email address is being protected from spambots. You need JavaScript enabled to view it.

  • Přílohy:

    Download - Technical documents

Medium Voltage - Outdoor circuit breakers Outdoor design
Střední napětí - Vnitřní vypínače Indoor design

a company of RS Group