Ema Elester
contactors SLA and thermal relays TSA

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


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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 of following contactors and thermal relays for marine and industrial applications:

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

Formally production of contactors SLA and thermal relays TSA is stopped many years ago.


Jastra Co. Ltd. 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 Co.Ltd. - marine equipment services

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

Poland, Gdansk 80-215,
ul. Raciborskiego 51


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