ELMA TT Tovarna transformatorjev Ljubljana, d.d.
Cesta 24. junija 23
1231 Ljubljana - Črnuče
SI - Slovenija
tel: +386 1 537 34 51
fax: +386 1 537 35 11
Cesta 24. junija 23
1231 Ljubljana - Črnuče
SI - Slovenija
tel: +386 1 537 34 51
fax: +386 1 537 35 11
TRB 14 - OVERCURRENT RELAY
| pretokovni rele Pretokovni (bimetalni) rele v povezavi s kontaktorjem se e dolgo uporabija kot najboIja reitev za zaito motorjev pred obremenitvami. e se tok motorja povea nad nazivno vrednost za dalj i as, rele prekine napajanje kontaktorja, s tern pa tudi izklopi motor. Tako iti motor pred pokodbami pri preobrernenitvi, zavrtem rotorju au izpadu faze in zagotavija zanesijivo obratovanje pogona. Na voijo so tiri izvedbe, in sicer tip TRB 14 za sarnostojno pritrditev z vijaki au hitro pritrditev na normirano Ietev(35 mm) tip TRB 14/KNL 16, tip TRB 14/KNL 30 za direktno pritrditev na motorske kontaktorje KNL 22 in KNL 30 in tip TRB 14/KNL 07 za direktno pritrditev na kontaktorje KNL 07. Minimalna razdalja med pretokovnimi releji je 15 mm. Prednosti •Hiter izklop oh izpadu faze (diferen&io proknje). •Zaradi vgrajene temperaturne kompenzacije nihanje okolkke temperature ne vpliva na izklopno karakteristiko. • Ehostavna montaza na kontaktor. •Galvansko locena izklopni in vklopni kontakt. •Pokrite sponke - zadta pred dotikom tokovodedh delov, po VBG 4 in Din VDE 0106, del 100. •Mona pritrditev z vijaki na ravno podlago. •Monost pritrditve na letev (35 mm). •Natanno nastavljanje toka. •Rodca za simulacijo proenja bimetalnega releja. (Test) •Vet.namenska tipka -za izklop (rdea) -za ponovni vklop (zelena). •Zelena tipka je hkrati tudi prikaz stikalnega poloaja. •lzbira ponovnega vklopa - avtomatsko ali roaio. •Oznake prikljutnih sponk po EN 50 005. •Ponovitveni prikljutek 95 - olajkna montak na kontaktor. |
overcurrent relay Overcurrent thermal relays have been for a long time applied as the best protection of motors from current overloading. With the aid of an auxiliary contact they switch off the contactor and the motor itself. In this way they protect the motor against damage caused by overloading, rotor braking or phase failure, and assure reliable motor operation. There are four overload relay version available: TRB 14 for separate mounting with screws or quick mounting to the standard rail (35 mm) TRB 14/KNL 16, TRB 14/KNL 30 for direct mounting to KNL 22 and KNL 30 motor contactors, and TRB 14/KNL 07 for direct mounting to contactors KNL 07. Minimal distance between overcurrent relays 15 mm. Advantages •Sensitivity to phase failure provided through differential breaking facility. •Due to the built-in temperature compensation, no influence of ambient temperature oscillations on the release characteristic. •Simple mounting on contactor. •Break and make contacts galvanic separated. •Covered terminals - protection against touch according to VBG 4 and VDE 0106, part 100. Possibility of screwing down on a flat basis. •Possibility of fixing to the rail (35 mm). •Accurately current setting. •Handle for simulation of bimetal relay operation. (Test) •Multi-function -off key (red) -reset key (green). •Green reset key indicates at the same time the switch position. •Reset switching choose - automatic or manual. •Marking of connection terminals according to EN 50 005. •Repeat terminal 95 - easier contactor mounting. |
Copyrights 2009 - ELMA TT Tovarna transformatorjev Ljubljana, d.d. - Designed by B&V designe team 2009. - Izdelava spletnih strani
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