Matsushita contactor type datasheet, cross reference, circuit and application notes in pdf format. Miniature and motor contactors, auxiliary contactors. The manual contactor was a big improvement over the knife blade switch. If one set of contacts in the relay becomes immobilized, no other contact of the same relay will be able to move. However, the basic difference between the relay and contactor. Type 124 dc power contactor doublemake or doublebreak contacts dust resistance steel enclosure capable of handling low and high current requirements isolated or grounded coils impact resistant. Lc1d50aed tesys d contactor 3p3 no ac3 mitsubishi electric fa site introduces information of low voltage power distribution product in latest information, product information, technological material, and the catalog, etc. A contactor can stand on its own as a power control device, or as part of a starter. The rated values and main ap provals are ready to read on the.
Magnetic motor starters and magnetic contactors series. Contactor relays optional unit product introduction 22 type codes order procedure outline drawing warranty and safety information of our farelated products 30 32 34 40 42 overseas standard 28. Both match a contactor with the job it has to do, but they do so in different ways. Select a coil voltage code from the table below to complete the. This includes power contacts, auxiliary contacts, and contact springs. Only auxiliary contact block type lszdh5 and lszd05 possible. Selection guide tesys contactors tesys d low consumption contactors. Manual selfprotected combination motor controller, type e combination motor controller type f when combined with a 3rt contactor iec circuit breaker for export applications 3rv17 27 are ul. Every time you turn on a light, fire up a computer or grab a drink from the fridge, you should thank an electrician for delivering the power you need. Lighting contactors panelboard lighting contactors, type pb.
They are used in large quantities for the indirect control of motors, valves, clutches and heating. The fuseholder frame is standard for withdrawable contactors, on request for fixed contactors and is normally preset for. The power contactor ats is specifically designed to switch between two power sources and has one. Contactors and motor starters allied automation, inc. Lighting contactors panelboard lighting contactors, type pb class 8903 refer to catalog 8903ct9701 general information panelboard lighting contactors, sometimes called remote control switches, are. The safety cover of magnetic contactor and thermal overload relay is optional. This factory assembled unit not only provides space savings but reduces.
It means that the motor load connected to the motor starter is typically started and stopped using a lower and safer voltage. Contactors have specific designs for specific purposes. The drive, which is of bistable type, is fitted with an opening and a closing coil. The coil of the contactor can be powered indifferently in ac or dc. We offer a wide array of products with applications across many. Coil voltage code for screw type terminal versions the cat. The type dpa fusible contactor provides an integrally mounted fuse block with fuse clips electrically connected to the contactor. These contactors are of the block type design with 3 main poles. An electrical contactor is a switching device, widely used for the switching of motors, capacitors for power factor correction and lights. The operating time depends on the type of contactor electromagnet and its control. Medium voltage products vcontact medium voltage vacuum.
There are various types of contactors, and each type has its own set of features. Our rugged millduty dc and ac contactors are built using the highest quality materials and tested to the toughest millduty standards. A contactor is an electrical device which is used for switching an electrical circuit on or off. Ss91474 not available ss91694 ss91675 ss91017 ss90873 ss90545 ss91258 ss91011 ss90978 ss90896 ss91467. Deviating dimensions for auxiliary contactors with cage clamp terminals on request. Two typical manual contactors still in use today engineers eventually made a breakthrough with the magnetic contactor. Contactors are used in applications ranging from the light switch to the most complex, automated industrial equipment. Contactor relays contactor relays contactor relays are often used in control and regulating functions. The contacts are the currentcarrying part of the contactor. Shop definite purpose contactor, compact, type dp, 2pole, 20a, 24v coil by square d schneider electric 8910dp12v14 at graybar, your trusted resource for definite purpose contactors and other. Electrical contractors provide services that keep our lives running smoothly. Contactor construction, working principle, application. Variations of manual contactors are still in use today.
Contactors are most commonly used for controlling electric motors. The voltage rating ranges is widened and the coil type are reduced to onethird. Selection guide tesys contactors tesys d contactors. To order, specify the class, type, and voltage code where indicated.
When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name. To do this, the contacts in the control circuit are either opened or closed. Magnetic motor starters and magnetic contactors note this mark indicates ec directive compliance. Contactors, overloads and manual motor starters minicontactors and overloads.
Definite purpose contactor, compact, type dp, 2pole, 20a. The magnetic drive adapts perfectly to this type of apparatus thanks to its precise and linear travel. Electrical contractors provide services that keep our lives. There are various types of contactors, and each type has its own set of features, capabilities, and applications. When selecting contactors, youll use one of two common standards. This is the other motor starter circuit, which operates the contactor to turn it on or off. Several types of contractors qualify as electricians. Functional devices relay in a box dry contact input series. Contactors can break current over a wide range of currents, from a few amperes to thousands of amperes, and voltages from 24 vdc to thousands of volts. The nema selection process always results in a choice of a contactor you can use over a broad range of operating conditions. The contactor main contacts are responsible for allowing or interrupting the flow of current to the motor.
As the name indicates contactor is used to make or break contacts as like an ordinary onoff switch. Products with the ce mark can be used for european destinations. Miniature and motor contactors, auxiliary contactors and overload relays. Contactors and relays contactor relays eaton wiring manual 0611 53 55 the system and the standard european standard en 50011 terminal markings, distinctive numbers and reference letters for certain contactor relays has a direct bearing on the use and application of the modular system. Contactors, overloads and manual motor starters carlo gavazzi.
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