
4BP210006 / 12.2007
MLS470, MLS473, MLS474
Londorfer Str. 65 •35305 Grünberg Fax: +49 (0)6401-807-259 Web: http://www.bender-de.com
Postfach 1161 •35301 Grünberg
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©Dipl.-Ing. W. Bender GmbH & Co.KG
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Reprinting and duplicating
only with permission of the publisher.
Subject to change!
©Dipl.-Ing. W. Bender GmbH & Co.KG
Hauptschalter
Bemessungsspannung ...................................................................................................... AC 415 V
Bemessungsstrom IN.................................................................................................................. 63 A
Bemessungsschaltvermögen bei 415 V AC, cos ϕ = 0,65................................................3 x Inom
Zulässiger Überlaststrom bis zu 1 Sekunde ................................................................................2 kA
Mechanische Schaltlebensdauer (Ein + Aus) ...................................................................> 20 000
Elektrische Schaltlebensdauer, cos ϕ = 0,95, Un und In....................................................>1500
Kurzschlussfestigkeit mit vorgeordneten Sicherungen.................................................. 16 kA (eff.)
Kurzschlussfestigkeit ohne vorgeordnete Sicherungen ............................................7 kA (Scheitel)
Schutzart .....................................................................................................................................IP20
Anschlussklemmschrauben ...............................................................................................Pozidriv 2
Anschluss, min./max.......................................................................................................6 / 50 mm2
Hilfskontakte (Meldeleitungen)
Nennstrom.....................................................................................................................................5 A
Nennspannung...............................................................................AC 230 V / DC 220 V (bei 0,5 A)
Elektrische Schaltlebensdauer.................................................................................................10 000
Anschluss flexibler/massiver Leiter, min./max. ......................................... 0,75...2,5 / 1...2,5 mm2
Allgemeine Daten
Umgebungstemperatur (Gerät in Betrieb).................. -5 ºC...+40 ºC (bei max. 54 A bis +55 °C)
Umgebungstemperatur (bei Lagerung) ................................................................. -40 ºC...+70 ºC
Einbaulage ............................................................................................................................ beliebig
Schnellbefestigung auf Hutprofilschiene............................................... DIN EN 60715 / IEC 60715
Gewicht ca. ............................................................................................................ MLS470: 675 g
................................................................................................................................. MLS473: 820 g
................................................................................................................................. MLS474: 960 g
Bestellangaben
Typ Beschreibung Art.Nr.
MLS470 Lastschalter, motorgetrieben
für 2-pol. Umschalteinrichtung
Us= AC 230 V, IN=63 A; zweipolig
B 927 184
MLS473 Lastschalter, motorgetrieben
für 3-pol. Umschalteinrichtung
Us= AC 230 V, IN=63 A; dreipolig
B 927 185
MLS474 Lastschalter, motorgetrieben
für 4-pol. Umschalteinrichtung
Us= AC 230 V, IN=63 A; vierpolig
B 927 186
Main switch
Rated insulation voltage .................................................................................................... AC 415 V
Rated current IN...........................................................................................................................63 A
Rated switching capacity at 415 V AC, cos ϕ = 0.65........................................................3 x Inom
Permissible overload current up to 1 sec....................................................................................2 kA
Mechanical service life (On + Off)..................................................................................... > 20 000
Electrical service life, cos ϕ = 0.95, Un and In.................................................................... >1500
Short-circuit strength with upstream fuses ................................................................16 kA (r.m.s.)
Short-circuit strength without upstream fuses.............................................................. 7 kA (peak)
Degree of protection ...................................................................................................................IP20
Screw-clamping terminals.......................................................................................Pozidriv 2 screw
Connection, min./max. ...................................................................................................6 / 50 mm2
Auxiliary contacts (signalling lines)
Nominal current.............................................................................................................................5 A
Nominal voltage...............................................................................AC 230 V / DC 220 V (at 0.5 A)
Electrical service life, number of cycles...................................................................................10 000
Connection flexible/massive conductor, min./max................................... 0.75...2.5 / 1...2.5 mm2
General data
Ambient temperature (device in operation)............ -5 ºC...+40 ºC (at max. 54 A, up to +55 °C)
Storage temperature range..................................................................................... -40 ºC...+70 ºC
Mounting....................................................................................................................... any position
DIN rail mounting acc. to ....................................................................... DIN EN 60715 / IEC 60715
Weight approx. ...................................................................................................... MLS470: 675 g
.................................................................................................................................MLS473: 820 g
.................................................................................................................................MLS474: 960 g
Ordering information
Type Description Art.No.
MLS470 Load switch, motor-operated
for 2-pole switchover equipment
Us= AC 230 V, IN=63 A; two-pole
B 927 184
MLS473 Load switch, motor-operated
for 3-pole switchover equipment
Us= AC 230 V, IN=63 A; three-pole
B 927 185
MLS474 Load switch, motor-operated
for 4-pole switchover equipment
Us= AC 230 V, IN=63 A; four-pole
B 927 186