contactors SLA and thermal relays TSA

Independent supplier

The site is maintained by Jastra in Gdańsk, Poland.
We are not affiliated with any of below mentioned companies
and we use their brands names for information purposes only.



Polish electric control elements producer Elester, formely known as Ema Elester, presently belongs to General Electric (GE) as General Electric Zakłady Aparatury Elektrycznej Elester SA (GE Power Controls SA).

Ema Elester purchased licence from ASEA BBC / ABB for production contactors SLA and thermal relays TSA for marine and industrial applications. Formally this production is stopped many years ago, but supplies are still possible.

Contactors of SLA series:

Contactors of SLA series are produced for alternate current 50-60 Hz with different layouts of contacts.

To place an enquiry, please state following data:

Thermal relays of TSA series:

Thermal relays of TSA series are produced with different current range settings, and are usually used as overcurrent protection of electric devices, for example electric motors.

Thermal relays TSA are usually assembled together with contactors of SLA series as overcurrent protective units for electric motors.

To place an enquiry, please state following data:

Jastra offers delivery of electric equipment produced by ex. Ema Elester or their current replacements. The original units are offered as not used and after test.

Why to use our service?

We offer reasonable pricing with packing included, fast delivery and short distance to international airport and worldwide speditors.

Welcome to contact us:
Great Seal of
Gdansk with mediewian ship

Jastra - marine equipment services

tel/fax: +48-58-3479026
tel/fax: +48-58-3476850
e-mail:jastra@ jastra.com.pl

Poland, Gdansk 80-215,
ul. Raciborskiego 51

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