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https://www.mash-i.sk/produkt/5st3020-fault-signal-contact-1-no1-nc-for-miniature-circuit-breaker-5sl-5sy-5sp-rcbo-5su1-fi-5sv/ 5ST3020 Fault signal contact 1 NO+1 NC, for miniature circuit breaker 5SL, 5SY, 5SP RCBO 5SU1, FI...