Nxr thermal overload relay nxr thermal overload relay. Distance relays, use of lowtension voltage, 145, 148 see also line protection with distance relays distributioncircuit protection, see line protection with overcurrent relays dropout defined, 17 electric arcfurnacetransformer protection, 270 electromagneticattraction relay, directional, 24 general characteristics, 16 singlequantity, 22. The ns2 series manual motor starter is used in remote motor control application. Shop park electrical services wide range of electrical enclosures, control products and automation products available for next day delivery. Home product energy distribution protection devices. Contactors electromechanical relays electronics textbook. Controls and switchgear for industrial installations. Thermistor overload relay for machine protection emt6 533 cmd contactor monitoring device 536. Original chint sequence and on off protection relay xj3 d ac380v overvoltage and undervoltage protection enjoy free shipping worldwide. No part of this wiring manual may be reproduced in any form. Contactors, relays, starters contactors d56 d 32 12 21 7. Faults instrument transformers correlation to drawings. Ac contactors 12a 50a 7,5cv 30 hp and thermal relays with settings from 2.
Chint motor protection relay xj3 g the phase sequence protection and fault relay xj3 g ac380v enjoy free shipping worldwide. Fist 38, operation and maintenance of protective relays and associated circuits 5c. Difference between contactors and relays electrical classroom. Duplicate protection schemes a protection b protection action q breaker x breaker y device z initiate trip close initiate trip close pt ct 2 ct 1 electrical bus. Backup relay x y load l2 load l1 t1 s bus over current backup relay differential relay. The models with finger protection are safer and speedier even if the lug of a closed type eyelet ring terminal plate is used.
Chint suriname biedt laag spanning oplossingen voor uw huis. Threephase, 480 volt ac power comes into the three normallyopen contacts at the top of the contactor via screw terminals labeled l1, l2, and l3 the l2 terminal is hidden behind a squareshaped snubber circuit connected across the contactors coil terminals. Njb1y protection relay components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic. Njbk6 series motor protection relay is used to provide overload, phase failure, threephase current unbalance and locked rotor protection for ac motors with a. Nema 4 protection degree meets the needs of both indoor and outdoor use. Thermal overloads provide overload protection to the contactor. Cheap relays, buy quality home improvement directly from china suppliers. Chint is consistently committed to developing itself into a worldclass electric supplier of integrated.
Difference between contactors and relays contactors and relays are two closely related terms leading to confusions and misinterpretations most of the times. Miniature circuit breakers to provide overcurrent and shortcircuit protection for domestic, commercial and industrial installations. Protection of phase angle regulating using digital relays. Njyb3 relay is used to provide overvoltage,undervoltage, phase failure,phase sequence,threephase unbalance,ptc temperature and load protection control in threephase threewire up to 415v circuits and threephase fourwire up to 240v circuits with a frequency of ac50hz. Best value relay chint great deals on relay chint from. Pollution degree 3 standard iecen 6094741 certificate ce, ul, kema protection degree ip20 5. Best value chint relay great deals on chint relay from. Thermal motor protection relays contain three bimetal strips together with a trip mechanism in a housing made of insulating material. Motor protection relays thermal overload relays for bg series minicontactors 3 accessories page 310 technical characteristics pages 315 and 16 wiring diagrams page 314 dimensions page 232 threephase iec motor powers 230v 400v 500v 690v kw kw kw kw. Rcds residual current devices for earthfault protection.
Low voltage brief catalogue protection relay njyb1 xj3 njyb1 phasefailure and phasesequence protection relay %i %i this product is applicable in operating console of facilities for motor protection, circuit protection and controlling large size motor. Njbk2 motor protection relay components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic. Operation conditions protection relay relay input power supply shares with the rated input voltage output l1l2l3 load l1 l2 l3 18 15 16 u5n r. Auxiliary contact blocks overload relays electronic motor protection system zev for surface mounting for side mounting dileem 02dilem 11dilem 22dilem ze0. Working principle of thermal motor protection relay. Contactors for dc switching motor protection and control abb. Includes air circuit breakers acbs, moulded case circuit breakers mccbs, contactors, transformers and other control components. For controlling electrical circuit either directly or via starters, contactors, relays etc. Chint shield are supporting the nhs, telecoms, transportation and food industries. Original chint motor relay motor integrated protection jd. Discover over 224 of our best selection of high timing control, ud2, irf7316, ry210012 on aliexpress. 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. Covid19 update chint shield are supporting the nhs, telecoms, transportation and food industries in the fight against covid19.
Chint time relay jsz3 220v timing relay electricity time delay enjoy free shipping worldwide. Nxr thermal overload relay nxr thermal overload relay overview applicable scope nxr thermal overload relays hereinafter abbreviated as thermal relays are suitable for overload and phase loss protection for uninterrupted or intermittent ac motors with ac frequency of 50 hz60 hz, a voltage up to 690 v, and a current of 0. Electronic overload relays 3pole contactors and overload. Contactors and relays contactors dil, overload relays z eaton wiring manual 0611 511 55 part no. Authors paul price bureau of reclamation hydroelectric research and technical services group denver, colorado 5f. General contact switching current of up to 16a and 32a. Relay control relay control relay relay g p111 p112 1. Contactors, relays, starters contactors, relays, starters specifications and technical data are subject to change without notice. Chint shield are supporting the nhs, telecoms, transportation and food industries in the fight against covid19. Includes air circuit breakers acbs, moulded case circuit breakers mccbs, contactors, transformers and. Parameters operation and installation conditions type installation class pollution degree compliant standards certification mark enclosure protection degree ambient. F422 chint auxiliary contact block with 2no and 2nc contacts. Discover over 206 of our best selection of relay chint on aliexpress. It can detect fault state as overvoltage, undervoltage, phasefailure and phase.
General nr8 series thermal overload relay hereinafter referred to as thermal relay is used to provide overload and phase failure protection for ac motors with a frequency of ac 50hz60hz, a voltage of up to 690v and a current. Price list chint electric november 2019 issue firefly electric. Operation and maintenance of protective relays and associated. Fl group, a distributor of industrial equipment and engineering solution for electricity professionals. Cps 36kw usermanual en 20150611 chint power systems americas. Jrs14080 related products jrmp31rls4314321 with pin details, that includes jrmp series, they are designed to operate with a 3 number of poles, mounting type is shown on datasheet note for use in a panel mount, that offers breaker type features such as magnetic hydraulic delay, actuator type is designed to work in lever. Electronic overload relays offer reliable and precise protection for motors in the event of overload or phase failure. The chint nr2 range of thermal overload relays for use with nc1 contactors are available in a choice of 23 different current ratings. Protection of phase angle regulating transformer using digital relays 57 one digital threephase current differential relay provides 87p protection, and no special treatments are needed. Embedded dcac switches and up to 8 fused string inputs eliminates the need for external combiner boxes and simplifies installation. Contactors, relays,starters relays relays d p111 contactors, relays,starters p112 rated current a ac15 220v rated current a ac15 380v rated current a dc 220v auxiliary contacts matched fuse rated operational currenta ama gga 2.
Antiislanding protection input and output overvoltage protection input overcurrent protection environmental temperature monitoring module temperature monitoring the afci function ships from factory in disabled mode, to enable this feature please contact cps at hotline. Bus under voltage protection armature shown in the nonenergized trip position. Original chint motor relay motor integrated protection jd5 180a 0. Relay relay protection relay protection relay page i60 page i61 page i56 jsz3 time delay relay jsz6 time delay relay njj1 counting relay njj3 counting relay page i55 jss48b time delay relay njj5j electronic counter njj5l electronic time accumulator page i71 page i65 page i69 page i02 njb1x relay threephase unbalance, phase.
Idmt relay electrical engineering protection relays. When a relay is used to switch a large amount of electrical power through its contacts, it is designated by a special name. Chint suriname biedt laag spanning oplossingen voor uw. Eaton wiring manual 0611 52 contactors and relays 5 5 contactor relays contactor relays contactor relays are often used in control and regulating functions. They can also be combined with appropriate thermal overload relays to form electromagnetic starters. The cts on the source, load and excitation unit primary sides can be connected in wye, and they can have different ratios.
Chint involves new energy, ptd equipment, lowvoltage apparatus, instrument. General nr8 series thermal overload relay hereinafter referred to as thermal relay is used to provide overload and phase failure protection for ac motors with a frequency of ac 50hz60hz, a voltage of up to 690v and a current of 0. Both of them are electrically operated switches used for control and switching of loads. Njmc1 pulse relay is a mechanical bistable relay that changes the contact state by inputting pulse signals. Products protection and control chint electric chint electric contactors and thermal relays chint electric contactors and thermal relays. Chin indicates china,and t represents tomorrow, proclaiming its signification tomorrow of china. Elexshow event city, manchester elexshow event city, manchester 12th and th march 2020 we will be exhibiting at alexandra palace. The electronic overload relay can make up a compact starting solution together with contactors. Original chint sequence and on off protection relay xj3 d. 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. Contactors for dc switching motor protection and control. The currenttime tripping characteristics of idmt protection relays may need to be changed according to the functioning time needed and the characteristics of other relay protection elements used in the electrical network. The bimetal strips are heated by the motor current, causing them to bend and activating the trip mechanism after a certain travel which depends on the currentsetting of the relay. Overload relay, protection relay chint industrialworld.