Low Voltage Contactors
46Pages

Contactores De Baja Tensión

Low Voltage Contactors Contactores De Baja Tensión Content Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . .180 New Type Of Contactors For Industrial Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . .183 Advantages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .183 Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . .183 Auxiliary Contact Ratings According To Different Utilization Categories . . . . . . . . . . . . . . ....

Low Voltage Contactors Contactores De Baja Tensión Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Thermal Relay Auxiliary Contact Current Values . . . . . . . . . . 200 Thermal Relay - Contactor Compatibility . . . . . . . . . . . . . . . . 200 Thermal Relay Tripping Classes . . . . . . . . . . . . . . . . .201 Motor Connection Diagrams . . . . . . . . . . . . . . . . . . . . .201 Thermal Relay Selection Table . . . . . . . . . . . . . . . . . .202 Thermal Relay Tripping Characteristics . . . . . . . . . . .203 Installation . . . . . . . . . . . ....

Low Voltage Contactors Contactores De Baja Tensión

Sigma ^^elektrik Low Voltage Contactors <U> Contactores De Baja Tension © Especificaciones Tecnicas Auxiliary contact technical specifications Especificaciones tecnicas del contacto auxiliar Number of auxiliary contacts (standard) Numero de contactos auxiliares (estandar) Control unit specifications Especificaciones del circuito de control Coil type Tipo de bobina * Optional - Ask for offer. ** Request information for DC supply voltage. * Opcion - Pedirpresupuesto ** Para la corriente de bobina DC pida mas informacion

Low Voltage Contactors <& Contactores De Baja Tension 1NO+1NC

Low Voltage Contactors <U> Contactores De Baja Tension © Sigma ^^elektrik

Information General Low Voltage Contactors <& Contactores De Baja Tension Sigma low voltage contactors are produced as 3 and 4 poles in accordance with TS EN 60947-4-1. As stated in TS EN 60947-41, they can be safely used in several usage categories to switch and control motors, lighting systems, compensation systems and several inductive loads. When Sigma AC power contactors are used together with thermic relays, they protect the circuits against over-load currents. Los contactores de baja tension de 3 y 4 polos Sigma son fabrica-dos en consonancia con la normativa TS EN 60947-4-1. Como se...

Sigma ^^elektrik Low Voltage Contactors <U> Contactores De Baja Tension © 186 O Contactor Contactor © Interlock unit (SAR9) Bloque de bloqueo mecanico (SAR9) © Interlock holder Mango de bloqueo mecanico © Side-on auxiliary contact Contacto auxiliar de montaje lateral © Terminal cover (for SCM 9-85 and SCG 50-95) Cubierta del terminal (para SCM 9-85 y SCG 50-95) © Head-on auxiliary contact ( 2 contact / SAC 2) Contacto auxiliar de montaje superior (2 contactos/SAC 2) & Head-on auxiliary contact (4 contact / SAC 4) Contacto auxiliar de montaje superior (4 contactos/SAC 4) © Thermal overload...

Low Voltage Contactors (B Contactores De Baja Tension Auxiliary Contact Ratings According To Valores De Los Contactores Auxiliares Segun

Sigma ^^elektrik Low Voltage Contactors <U> Contactores De Baja Tension © Connecting Screws And Cable Sections_ Secciones Del Cable Y De Los Tornillos De Utilization Categories While selecting the contactors to be used for several applications, utilization category in which the load controlled by the contactor is identified is the basis. Based on the application, usage categories determine switch off current, breaking current and power factor. Accurate selection of contactor for an application refers to the operation of that contactor in which such current is supplied to the load in a...

Utilization Categories In Which Contactors Are Categorias De Uso De Los Contactores Mas Most Used Utilizados Utilization category Categoria de uso Contactor Selection According To Utilization Categories Selecting Contactors To Be Used In Class AC-1 AC-1 category contains non-inductive ohmic character loads. Heater circuits may be given as an example for this. Closing current equals to breaking current in AC-1 category. In the control of single-phase heater circuits, if 2 poles are connected in series, nominal operating current may be taken as 1.6 times the operating current of contactor; if...

Sigma ^^elektrik Low Voltage Contactors <U> Contactores De Baja Tension ©Eleccion De Contactor Para La Categoria De Uso En Contactor Selection For AC-1 Utilization Category La Categoria De Uso AC-1 Selecting Contactors To Be Used In Class AC-2 In case of starting slip-ring asynchronous motors, braking with inverse current and inching, contactor selection must be performed in accordance with AC-2 utilization category. Crane and metallurgy applications, wire and cable pulling machines are included in this category. In class AC-2, contactor must close and break 2.5 times the nominal operating...

Low Voltage Contactors Contactores De Baja Tensión Elección Del Contactor Que Se Utilizará En La Clase AC-3 Selecting Contactors To Be Used In Class AC-3 Es categoría de utilización que se utiliza más frecuentemente. Indica la clase AC-3 de arranque y freno para los motores de jaula de ardilla. En el estándar esta corriente está definitiza como 6xla. El contactor corta toda la corriente de carga. los compresores, bombas, ventiladores, válvulas, ascensores, transportadores, acondicionadores entran en esta categoría. This is the most frequently used utilization category. It determines status...

Low Voltage Contactors <U> Contactores De Baja Tension © Tabla De Selecion Del Contactor Y El Rele Termico Selection Table Of Thermal Relay + Contactor To Be Que Se Utilizara En El Arranque Directo Para La Used In Direct Starting For Class AC-3 Clase AC-3 Type Starting current Corriente de arranque Starting torque Potencia de arranque ■ Starting current is 1.8 - 2.6 times of the rated current La corriente de arranque es entre 1.8 - 2.6 veces la corriente nominal ■ Starting torque is 0.5 times of the rated torque La potencia de arranque es entre 0,5 veces la potencia nominal