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What does Group A and B mean on Sepam Relays?

That means that you have 2 sets of 50/51 and 50/51N protections. For example:
Sepam 1000+ Series 20 ---

Group A ---- 50/51 #1 and 50/51 # 2

Group B ----- 50/51 #1 and 50/51 #2

This means you have up to 4 pick up points (thresholds) for this protection
 

Original article#3618
Re-published to revised security level: 17 June 2008 by DRM

Applies To:

Public

All content © 1992-2008 Schneider Electric


Legacy KB System (APS) Data: RESL184577 V3.0, Originally authored by DaMi on 06/16/2007, Last Edited by DaMi on 06/18/2008
Related ranges: Sepam 1000, Protection plan, Sepam series 80, Sepam series 40, Sepam series 20
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