Thank you for registering for email from schneider electric. Easypact tvs thermal overload relays lre schneider electric. Overload relays can be easily retrofitted into existing type s starters. Make better business decisions with scalable and converged itot solutions. New solid state overload relays are available for 90 to 150 a application three levels of ratings.
For these and more of our motor control products, such as push buttons, soft starts, variable frequency drives, see the back cover. Wide current adjustment range thermal or bimetallic overload relays typically have a. Schneider electric is essential to your absolute peace of mind. Lr9 d electronic thermal overload relays are designed for use with contactors lc1 d115 and d150. Discover schneider electric range of products in thermal overload relay. Overload relays are classified into two types namely thermal overload relay and magnetic overload relay thermal overload relay. Direct mounting to the left side of the 193ee and 592ee e1 plus overload relays means that only. Contactors and relays page contactor relays 52 contactors dil, overload relays z 58 contactors dil 514 overload relays z 520 zeb electronic overload relay 523 zev electronic motorprotective system 526 thermistor overload relay for machine protection emt6 533 cmd contactor monitoring device 536. Definite purpose contactors, electronic overloads, enclosed manual motor starters and other contactor accessories are also available. The efficiency of protection methods varies according. Contents metasol mc 3pole table of specifications 10 type numbering system 12. Pump panels merge requirements of a disconnect switch, shortcircuit protection, motor control, and. Schneider electric lad7b10 thermal overload relays, 17. Lrd22 schneider electric overload relay, tesys d iec, 16 a.
What is the difference between electronic overload relay. Type s starters are designed for operation at 600 volts ac, 5060 hertz. Mn 12l relays with trip class 30 are specially designed for long starting time applications. Tesys lrd is a flexible range of thermal overload relays from 0. The relays are ambient temperature compensated, and the unique double slide mechanism provides reliable protection against single phasing. Lr2d thermal relay applications this series of thermal relay can be used in the circuit of 50hz or 60hz, rated insulation voltage 660v, rated current 0. Tesys d, separate mount kit, for lrd01 to lrd35 and lr3d01 to lr3d35 overload relays, ring tongue connectors. Thermal overload relay is a protective device, and that is mainly designed to cut the power whenever the motor uses too.
To order type s starters with solid state overload relays, see factory modi. The overload relay types include fixed bimetallic, interchangeable heater bimetallic, and electronic. General 6 protection components 6 motor protection there are many possible causes of electric motor failure. Neither schneider electric industries sas nor any of it s affiliates or subsidiaries shall be responsible or li able for misuse of the information contained. Schneider electric does not grant any right or license for commercial use of the guide or its content, except for a nonexclusive and personal license to consult it on an.
Select the appropriate overload relay with screw clamp terminals or connectors from the table above and add one of the following suffixes. Tesys lrd documents and downloads schneider electric. Flexible mounting ensures that they can be installed on a contactor, panel, or separate enclosure. Thermal overload relays tesys lrd schneider electric. Thermal overload relays for use with unbalanced loads.
Lrd10 schneider electric overload relay, 4 a, 6 a farnell. Manual reset or automatic reset can be selected with dip switches on the cep7ee models. Cep7see is a 1phase application overload relay packing all features of the 3phase cep7ee model. Product or component type differential thermal overload relay device short name lrd relay application motor protection product compatibility lc1d09 lc1d12 lc1d18 lc1d25 lc1d32 lc1d38.
Thermal overload relays nema rated bimetallic bimetallic thermal overload relays feature automatic reset or hand reset and a tripfree mechanism. Stop and manual reset, b yellow trip flag indicator. Thermal overload relays for use with tesys k contactors. Tesys lrd overload relays thermal overload relays up to 140a. E1 plus overload relay specifications rockwell automation. Thermal overload relays up to 140a part of tesys tesys lrd bimetallic overload relays directly mount to tesys d contactors to form extremely compact starters. Description, tesys protection components characteristics 3. For separate mounting bimetallic 600 volts maximum ac or dc a description size. Control and chapterb11 tesys p c rotection omponents from. One of the most common, and which is often accidental, is the utilisation of motors beyond the operating limits. The specifications in relation to shortcircuit protection for contactors and overload relays. Protection by magnetic circuit breaker gv2le, see pages a611. Buy schneider electric thermal overload relay nonc, 17 25 a, 25 a lrd325.
This document is divided into 5 parts and addresses the following topics. Overload relays are intended to protect motors, controllers, and branchcircuit conductors against. Holding circuit contact a normally open holding circuit contact for three wire control is provided on all contactors as standard. The lrd22 is a thermal overload relay with 16 to 24a setting range. Gv2, gv3, and gv7 manual motor starters, controllers, and protectors catalog 2520ct0001r0409 2010 class 2520 courtesy of steven engineering, inc. Lrd325 schneider electric thermal overload relay nonc. Tutorial for installing the pk4mbha backfed main circuit breaker retaining clip onto a qo load center panel. Component ratings provide the flexibility to choose the desired level of protection, up to the rated maximum, and use it without the need for specific tested combinations and confusing tested combination spreadsheets. Pump panels merge requirements of a disconnect switch, shortcircuit protection, motor control, and overload protection into one single, convenient package. Different types of overload relays connection diagram. A utomation components to instantly view a data sheet and specify products, visit.
Lrd16 schneider electric thermal overload relay nonc, 9. Motor protection general it is very important to choose an adequate protective device for the safety of the motor during operation and for its durability. Various correction to dimensional drawing headings and labels. Electronic overload relays for special applications for motors with heavy starting class 10, 20, 30 class 5,10, 20, 30 adjustable. Buy lrd10 schneider electric overload relay, 4 a, 6 a, lrd at farnell. A utomation components overloads relays gavazzi online. Bimetallic overload relays are also available for sizes 06. Protection of the motor and the other branchcircuit components from higher currents, due to short. Eaton offers a wide range of overload relays to provide full motor protection.
Cep7 solid state manual reset or automatic reset can. Overload relay trips before reaching its limiting current what might. For additional information, see the class 9065 catalog section. Class 20 1 for connection by screw clamp terminals or lugs. Ecostruxure for your business ecostruxure lets you thrive in todays digital world. Designed for tesys d contactors ranges, they can be mounted directly under. Technical catalogue thermal overload relays electronic. Overload relays overload relays liihuhqwldo wkhupdo ryhuordg uhod\v iru vfuhz fodps frqqhfwruv dqg vsulqjv iru xvh zlwk ixvhv ru pdjqhwlf flufxlw euhdnhuv 9 dqg 9 b compensated relays with manual or automatic reset b with relay trip indicator b for a. Schneider electric tesys range of threepole thermal overload relays have been designed and created for motor protection, phase failure, long starting times. Iec combination starters combine the requirements of motor overload and short circuit. Low voltage extract from tesys catalogue schneider electric. Schneider electric is an industry leader in iec contactors and overload relays, and is recognized as the market leader in quality, durability, and product development. Schneider electric lrd21, overload relay 12 to 18a. Overload relays overload relays are designed to meet the special protective needs of motor control circuits.
Schneider electric lrd350 overload relay, 37 to 50a, class 10, 3p. Class 10 or class 20 bimetallic overload relays are available up to 140 a. Tesys lrd bimetallic overload relays directly mount to tesys d contactors to form extremely compact starters. I have checked the current supply using a clamp meter. Powering up and discovering the smart relay zgeneral presentation of the smart relay zpart ii. Overload relays 58 overload relay trip curves 74 type 2 coordination 82 rated short circuit breaking capacity of installation 85 dimension 86.
In addition to the protection provided by tesys d thermal overload relays see page 205, they offer the following special features. Looking for schneider electric iec style overload relay, 12. Lr9 f overload relays based on schneider mkted205103en catalogue. Lrd350 schneider electric overload relay, 37 a, 50 a. Note that thermal units are not included in the shown prices.
For relays lrd04l to lrd32l and relays lr2d3522 to lr2d3563, select the appropriate overload relay with. Designed for tesys d contactors ranges, they can be mounted directly under the contactors for compactness or separately using accessories. Compare pricing for schneider electric lrd21 across 18 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Motor overload protection is provided by melting alloy type thermal overload relays. Class 8536 starters are available in nema sizes 007. Sr2man01 112007 9 about the book at a glance document scope this manual describes the use of functions accessible from the front panel of the smart relay. Tesys lrd overload relays schneider electric usa website. Tesys lrd thermal overload relays schneider electric. Lrd14 schneider electric overload relay iec 600v rsp supply. It is sensitive to temperature changes due to heat produced in the bimetallic strip from overload currents and at a threshold temperature of the thermal elemen. Buy your lrd350 from an authorized schneider electric distributor. Contactors and overload relays new generation of contactors from ls industrial systems. Mounting lrd overload relay to tesys d series contactor. An overload relay will allow a harmless temporary overload.
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