An electromagnetic coil is provided for opening and closing of contacts. Electrical contactors for hiamp switching waytek wire. Contactors, electronic motor protection and overloads, electornic soft starting, control and indication products, motor circuit breakers, assembled starter combinations, modular mounting systems, relays and timers, load. The af contactor technology revolutionizes how we use contactors and allows use in all parts of the world and in all network conditions. Plentiful products enable easy selection of motor protection. Contactor based automatic transfer switches product focus delayed transition bypass isolation 40 1200 amps open transition closed transition. Relays and contactors type 91 general purpose relays type engineering design data magnet coil rating operation in % nom. Contactors and relays 5 contactor relays contactor relays contactor relays are often used in control and regulating functions.
Also find hard to find transformers, contactors, and relay replacement parts. Dimensions stancor coil resistance inductive load inches part duty terminal pole bracket volt. Contactors and relays contactor relays moeller wiring manual 0208 53 5 the system and the standard european standard en 50011 terminal markings, reference numbers and reference letters for certain contactor relays has a direct bearing on the use and application of the modular system. Breakdown voltages coil rating coil voltage rating all terminals 60 hz rms. Relays and contactors type 91 general purpose relaystype engineering design data magnet coil rating operation in % nom. Changeover contactors are multiple contactors bound together that allow the user to change the polarity of the voltage going to the motor thus reversing direction. So, if a relay has a same switching current with a contactor. Definite purpose contactors, electronic overloads, enclosed manual motor starters and other contactor accessories are also available. This manual is intruduces the types, characteristics, functions and offers product selection advice for lsiss metasol.
The talrt series 3pole contactors are of the block type design with a large coil voltage range. The as contactor is efficient and allows you to optimize your equipment design. Difference between contactor and relay difference between. Contactors and control relays may be conveniently mounted using a. Heating and cooling equipment required high voltage controls that can endure thousands of cycles under extreme conditions. We offer the best quality hvac contactors and relays you can find. Contactors and thermal overload relays conform to the iec standard. Relays and contactors from general purpose to board mounted relays, we have a huge instock selection of all types of relays and contactors. For example, i wanted to use the box switch that originally.
But there some relays can switch high current too, such as, some power relays can switch current beyond 100a, and there are contactors to switch only 160a. The following deals with the load categories relevant to danfoss contactors. The more expensive the electrical gear, the greater the number of relays that will generally be used. Contactors, and relays for hvac are available at wholesale and quantity pricing. The side mounted interlock doesnt increase the depth of the contactor and doesnt prevent front mounted auxiliary contacts from being added to either the forward or reverse contactors. 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. Catalogue general technical data, standard definitions.
Nhps motor control package is one of the most technically advanced, reliable and comprehensive available, from the one source. This table is based on motors of approximately 1450 r. Dc electrical contactors come in two different mounting methods. Whether you are repairing your hot tub or spa, or doing routine maintenance our customer service team is here to help you find the right replacement parts for your spa or hot tub. High voltage contactors these contactors offer continuous current ratings up to 500 amps at 900 volts dc, in a very compact package. The action time of relay contactors are not the same, which is likely to cause competition risk phenomenon leading to abnormal working of the control. These devices are ce marked and dualrated for worldwide acceptance by complying with ul, cul and iec 947 standards. Pg03407001u june 2006 contactors and overload relays 19 contactors and overload relays 4 contactors and overload relays this chapter provides product selection guidance for eatons xt range of contactors, overload relays and accessories which includes nonreversing and reversing contactors. In particular, large electrical gear as generators, motors and. Power contactors type engineering design data operation in % of nom.
Featuring a conveniently compact size, a mechanical life rated at 10 million. What is the difference between relay and contactor answer shaheed. Including nonreversing and reversing contactors and starters as well as overload relays and accessories, contactoroverload relay brings lsis to a. Data sheet electronic overload relays ef205 and ef370. They are used in large numbers for the indirect control of motors, valves, clutches and heating equipment. Contactors and relays 5 5 contactor relays contactor relays contactor relays are often used in control and regulating functions.
Due to the very flat design mini contactors are suitable for compact single applications as well as for motor starters in small enclosures. Contactors 18800af 22 motor starters 40 reversing contactors 44 capacitive contactors 46 accessory 48 overload relays 58 overload relay trip curves 74 type 2 coordination 82 rated short circuit breaking capacity of installation 85 dimension 86 contact arrangement 104 metasol mc 4pole overview 108 table of specifications 110 dimension 114. It works exactly the same as the manual fr switch, except that it uses coil drive contactors. As fully authorized, franchised distributor of relays and contactors, we have contracts. Large electric motors can be protected from overcurrent damage through the use of overload heaters and overload contacts. Most orders are shipped sameday, and we offer free shipping on. Iec contactors relays a2 springer controls company 96074 chester road, yulee, fl 32097 904 2250575 fax. By common usage, the term, contactor is applied to a special type of device that is functionally similar to the relay. Contactors are used for devices that pass more than 15 amps or loads of more than 3kw. In terms of features, a contactor has some than ties in directly with the previous difference. A general purpose motor control contactor may be suitable for heavy starting duty on large motors. Contactors electromechanical relays electronics textbook.
Ax41 auxiliary contact units and ccu41 surge suppressor blocks are designed in order to match miniature version of contactors ex9cs or ex9csr. Contactors and overload relays new generation of contactors from ls industrial systems. What is the difference between a contactor and a relay. Eaton s freedom starters and contactors feature a compact, spacesaving design, using stateoftheart technology and the latest in high strength, impact and temperature resistant insulating materials. If you see from the application point of view, you would have seen contactors placed in control panels of industrial motors. Contactors and relays perform the same task of switching a circuit. It can either make a circuit or break the circuit with a preset value given by the manufacturer or according to the functional operation. Contactors and control relays are available in either ac or dccontrolled forms, and offer application flexibility through a wide variety of modular accessories. Relays contactors shop spa power relays and contactors for hot tubs and spas. Contactors, relays, starters contactors, relays, starters specifications and technical data are subject to change without notice. Contactors typically have multiple contacts, and those contacts are usually but not always normallyopen, so that power to the load is shut off when the coil is deenergized. Shop our parts hvac online store for transformers, contactors, and relays hvac supplies and accessories.
The safety cover of magnetic contactor and thermal overload relay is optional. These electrical contactors are hiamp rated switching devices, with ratings up to 800 amps open inrush. Here you will find our selection of top quality contactors and relays. The xt iec series includes nonreversing and reversing contactors and starters as well as overload relays and accessories. Breakdown voltages coil rating coil voltage rating all terminals 60 hz rms contact material electrical life mechanical life nominal open max. As known, contactor is used to switch higher capacity than relay. They offer high reliability with long mechanical life and the most complete accessories in the industry. Incorporation of can terminal for simple wiring unified design for n series the design has been unified for the msn series. A contactor is a large relay, usually used to switch current to an electric motor or another highpower load. Best tech support for caldera spas hot tub spas supplies, master spas and freeflow spas. Both have an external envelope to protect all the internal parts from the external environment. Nonreversing contactors and overload relays tesys d tesys d contactors and overload relays are the largest selling contactor line in the world.
Contactors contd tdpeaux11 eaton contactor accessories these auxiliary contacts are side mounted contact kits for eatons definite purpose contactors. Power contactors type 0 engineering design data operation in % of nom. Contactors and contactor assemblies digital asset management. Contactor vs relay electrical engineering stack exchange. The penn relays, which has been contested uninterrupted since 1895, celebrated its 125th consecutive running last year. Possibility of direct connection of the br 6 bimetal relay for protection against overload and in case of phase failure. As fully authorized, franchised distributor of relays and contactors, we have contracts with some of the worlds finest manufacturers, including cole hersee, general electric, furnassiemens, klocknermoeller, omron, and tycote connectivity. In addition to the simplicity which they offer in project engineering, panel building.
Complete the catalog number with the coil voltage code from for example, lc1k0610g7. The contacts are opened and closed by exciting this electromagnetic coil. Electrical controls for heating and air conditioning, contactors, relays, transformers, sequencers, time delays. In addition to the bimetallic overload, eaton also offers a series of electronic overload relay c440 available as a standalone unit and assembled with freedom contactor. Available hermetically or environmentally sealed, with a variety of. The front face of the product is a bright white color, making the inside of the panel brighter and providing a clean image. Rather, the term, contactor is used to describe a type of device that is used very much in the same manner as a relay. Please contact us to confirm relevant information on ordering re cy cle p ap er pri nt ed ch in t e le ctr ic a ll r ig hts r es er ve zhejiang chint electrics co. In its place, penn will endeavor to host a substitute track meet at a later date in late. Electrical contactors and relays hvac parts online. Compatible with 15a to 75a contactors tdpea catalog no. Relays and contactors general purpose relay general purpose relaystype engineering design data magnet coil rating operation in % of breakdown voltages volt amperes nom. Contactors and overload relays 4 allied electronics. Electronic overload relays ef205 and ef370 data sheet description overload protection trip class 10e, 20e, 30e selectable phase loss sensitivity.
Relays and contactors hvac controls a pdh online course for. Ip20 touchsafe terminals on the contactors din rail or panel mount. Contactors and relays is a course designed to familiarize participants with the operation and use of magnetic contactors and relays. Main catalogue contactors and contactor relays with ring. Perhaps the most common industrial use for contactors is the control of electric motors. Control relays are used to allow or prevent specific operations depending on a defined permissive function. Blue standard contactor features black different variations according to the application the alrt series 3pole contactors are of the block type design. Various types of relays are used in control and protection circuits.
Enclosed control options include metallic and non metallic enclosures with circuit. Operated application alrt, talrt contactors are mainly used for controlling 3phase motors and more generally for controlling power circuits up to 690 v a. Breakdown voltages volt amperes coil voltage rating all terminals 60. Failure analysis of contactor relay article in diangong jishu xuebaotransactions of china electrotechnical society 261. This course treats the subject of relays and contactors. After completing this course, participants should be able to describe the operating principles of magnetic contactors.
Contactors, starters and protective relays with a broad portfolio that includes everything from phase, voltage and current monitoring relays to motor protection breakers, eaton offers the protection your. If you see from the application point of view, you would have seen contactors placed in control panels of industrial motors or other heavy loads. These contactors have a low power consumption for direct control from plc outputs. Breakdown voltages coil rating coil voltage rating all terminals 60 hz rms contact. Contactors, overloads and manual motor starters carlo gavazzi. But relays can be used for conditional switching or breaking of a circuit. The control relay is one of the oldest type of relay and perhaps the best known. Contactors are rated by designed load current per contact pole, maximum fault withstand current, duty cycle, design life expectancy, voltage, and coil voltage. Contents metasol mc 3pole table of specifications 10 type numbering system 12 environment 16 connections 17. Contactorbased automatic transfer switches product focus delayed transition bypass isolation 40 1200 amps open transition closed transition. Controls contactors and contactor assemblies contactor.
Controls contactors and contactor assemblies mci electronics. Relays and contactors hvac controls a pdh online course. They are used in large quantities for the indirect control of motors, valves. Contactor and control overload relays protect machinery from overheating, this includes the machine itself and the bearings, gears and coolants as the relay receives the corresponding signal and trips. Electrical troubleshooter for acdc circuits, relays. Heating and cooling equipment require switching devices that are heavy duty and can operate for thousands of cycles. Controls contactors and contactor assemblies siemens ic 10 2012 53 introduction 5 connection methods the contactor relays and the relays are available with screw terminals box terminals or. Relays and contactors contactors are used to switch mains voltage.
Contactors and control relays may be conveniently mounted using a 35mm din rail or by affixing with screws to a base plate. Relays contactors as as 19 march 2014 we make it easy 8883975353 usa model socket type rated voltage rated current hold down clip or springwire size wire size weight. They are used in large numbers for the indirect control of motors, valves, clutches. The dila and dilm7 to dilm38 contactors of the dilaxhir22 auxiliary contact are available specially for switching the smallest signals for electronic. There are various types of control relays including machine tool relay, industrial relay and general purpose relay. At es electronics, we pride ourselves on being among the industrys leading contactor and relay distributors. Breakdown voltages volt amperes coil voltage rating all terminals 60 hz rms contact material electrical life mechanical life open max. When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name. After completing this course, participants should be able to describe the operating principles of magnetic contactors and relays, and explain how both types of devices are used in electrical systems.
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