Siemens 3ru21264bb0 overload relay cl10 s0 1420a screw. The 3ru11 thermal overload relay or the 3rb223rb23 solid. Protection equipment overload relays reference manual. Selector switch for manualautomatic reset and reset button. Like overload relay siemens sirius 3ru21161fb0 with a current range of 3. Siemens 3ru164fb0 class 10 thermal overload relay for direct mounting on size s2 contactors 3rt1033, 3rt1034, 3rt1035 and 3rt1036, is adjustable from 28a to 40a and has phase loss protection. Overload relays solid state esp200, class 48, 958 and 958l. Sirius control offers the largest available switching device portfolio in the market. Summary of changes this manual contains new and updated information as indicated in the following table.
There is a minimum advertised price map allowed by the manufacturer on this product. Buy siemens thermal overload relays online in india. The 3ru21 thermal overload relays up to 80 a have been designed for currentsensitive protection of. It shows the components of the circuit as simplified forms, and the power and also signal links between the gadgets. Siemens motor overload relays and thermal units grainger. Similarly, motors that require only onethird, onefourth, or onefifth the overloads fla capability can use the. The esp200 solid state overload relay is so simple to configure. Overload relay to retrofit existing thermal furnas brand starters with the esp100 solid state overload relay add the appropriate suffix to the end of the catalog number from the retrofit plates. Overload relays sirius 3rb3 electronic overload relays 3rb30, 3rb31 for standard applications 7 technical specifications the following technical information is intended to provide an initial overview of the various types of device and functions. September 1995 thermal overload ansi 4949r the relay uses a thermal memory to resemble the remaining thermal capacity of the protected device. Nema overload and current sensitive relays siemens usa. Thermal overload relays class 20 for use with tesys d contactors adjustable thermal overload relays for motors tesys lrd from 0. Design principle overload relay functions nema class 10 tripping characteristics. At automation24, we offer thermal overload relays at excellent prices.
Siemens industry catalog automation technology industrial controls protection equipment overload relays sirius 3rb3 electronic overload relays. Resetting takes places manually or automatically after a recovery time has elapsed. The thermal capacity can be obtained from the true rms phase currents, taking into account. As a brand thats been paving the way from the beginning, the siemens modular system specializes in the switching, starting, protecting and monitoring of motors and industrial systems. Manual motor protectors can keep equipment from overheating and overloading. Class 10, 7 to 10a 690v lrd14 thermal overload relay, class 10, 7 to 10a 690v sku. Overload relays thermal overload relays page 3 kent. Overload relays siemens 2011 5 general data 1 the sirius 3ru11 thermal overload relays use a bimetal contactor and therefore do not require a control supply voltage. More information system manual sirius system overview, see. Siemens industry catalog automation technology industrial controls protection equipment overload relays.
You can find a large inventory of other trusted siemens overload relays, including thermal magnetic and bimetal series. Equipment manual sirius 3ru thermal overload relays. Siemens 48bth3s00 overload relay esp200 coils only for sale. Sirius innovations sirius 3ru2 thermal overload relays. Siemens 3ru21 264eb0 sirius thermal overload relay resetmanual remoteautomatic 1 no, 1 nc 27 32 a. Siemens industry catalog automation technology industrial controls protection equipment overload relays sirius 3ru2 thermal overload relays.
The thermal overload protection with consideration of preload. Overcurrent protection 7sj602 siprotec 7sj602 multifunction overcurrent and motor protection relay siemens sip edition no. Sirius innovations sirius 3ru2 thermal overload relays sirius 3rb3 solidstate overload relays manual, 092014, a5e03656507420arsaa002 9 introduction 1 1. Thermal overload relays are electromechanical devices that protect a systems main circuitry from failure due to overheating. As opposed to electronic relays, they utilize a heat detection mechanism to open up circuits in case of an overload. Huge thermal overload relays inventory same day shipping expert technical support. The manual or automatic reset feature on this sirius series relay helps handle nuisance tripping when automatic reset is enabled and prevents. The 3ru11 thermal overload relays are electrically and mechanically. Overload relays furnas controls overload relays furnas. Motor overload relays and thermal units help prevent motor damage and extend motor life. Equipment manual sirius 3ru thermal overload relays sirius 3rb electronic overload relays.
Automation technology industrial controls protection equipment overload relays sirius 3ru2 thermal overload. The manual or automatic reset feature on this sirius series. Siemens is known worldwide as an industrial controls trendsetter. Schneider electric lrd 3 pole thermal overload relays come in amp ranges from 1 to 65 amps, have class 10 tripping, mount directly to any lc1d contactor and have a set of auxiliary contacts for signalling.
Schneider electric lrd 3 pole thermal overload relays. Switch position indicator and test function stop button selector switch for manualautomatic reset screw connection or springclamp versions impulse voltage resistance 6 kv insulation voltage 690v surface or dinrail standalone mounts available, see 7061699 etc. With repeat accuracy of greater that 99%, trips can be set to the most specific conditions, resulting in both longer motor life and cost savings. With the communicationcapable sirius 3rb24 electronic overload relay for io link you can easily connect your load feeder to a higherlevel control and therefore integrate it into your automation environment. With busbar connection or as straightthrough transformer. Iec overload relays help adjust the maximum current a motor is allowed to draw. Unfollow siemens overload relays to stop getting updates on your ebay feed. A wiring diagram is a streamlined traditional pictorial representation of an electrical circuit. An adjustment dial located on the unit allows the ampere trip setting to be adjusted by 15%. A completely new generation of circuit breakers, contactors, overload relays and load feeders in seven sizes up to 250 kw is ready for use. Siemens canada limited industrial control product catalog 2019.
As an already registered user simply enter your userame and password in the login page in the appropriate fields. Esp200 overload relays provide accuracy unmatched in the market. To provide additional protection siemens offers circuit breakers to protect against severe electrical shock or electrocution, mitigate the risk of electrical fires and protect. Siemens overload relays type 3ua specifications the 3ua overload relays meet or ex ceed the requirements of nema, ee mac, ul, csa, iec, vde and other international standards. Note the width and height measurements of the overload relays are dependent on the contactor they are used on. The benefit of the modular system lies in its modular setup of the components across all sizes. Thermal overload protection ansi 49 the thermal overload protection function provides tripping or alarming based on a thermal model calculated from phase currents. Features benefits 3ru11 3rb203rb21 3rb223rb23 other features internal power supply eliminates the need for configuration and connecting an additional control circuit1. The 3rb2 range of solid state electronic overloads can be connected directly to siemens sirius contactors to provide accurate motor overload protection with enhanced single phase sensitivity,application. Note that while thermal overload relays require a heater selection based on a relatively wide ampere range, the esp200 overload relay has many clicks covering the same ampere range. Siemens iec overload relays grainger industrial supply. This manual describes how to install, configure, operate, and troubleshoot the e300 electronic overload relay. Easily accessible reset button, provides visible and audible indications to ensure the tripped overload is ready to restart.
Sirius 3ru thermal overload relays sirius 3rb electronic overload relays manual, 092016, a5e03656507420arsab003 9 introduction 1 1. Reference manual protection equipment overload relays. Siemens iec overload relays previously purchased use siemens iec overload relays with contactors in the motor starter, overload relays are designed to open the starting circuit and cut the power to the motor if it begins to draw too much current for an extended time. A device set to manual reset can be reset locally by pressing. Siemens offers a wide array of thermalmagnetic circuit breakers that are the key element for overload and shortcircuit protection of your homes electrical system.
The bimetal ambient compensated overload relay heater elements are available in class 20 or class 10 ratings. Overload relays are used to protect motors from excessive heat resulting from sustained motor overloads, rapid motor cycling, stalled rotor conditions and phase loss. Here are some important details for siemens overload relay. The ambient temperature or the temperature of the coolant can be detected serially via an external temperature monitoring box also called thermobox.
Designed to replace thermal, or esp100 overload relays for any application. This is a measure for the allowed heating of the protected device. Siemens overload relay wiring diagram free wiring diagram. View and download siemens 3rb12 instructions manual online. Siemens 3ua overload relays overload relays siemens. Siemens 3ru21 264eb0 sirius thermal overload relay reset. Manual sirius 3ru thermal overload relays sirius 3rb. Siemens 48bth3s00 overload relay esp200 coils only for. Siemens sirius 3ru21264bb0 thermal overload relay, 14 to 20a range, size s0, trip class 10, manualautomatic reset, contactor mounting, screw terminal misc. Thermal overload relays are some of the most popular types of relays in the industry. Manual overload test 1m 1m dut 1m 1m from current source nc contact of relay connections of thermal overload relay for ol testing testing of thermal overload relay 1. Use siemens iec overload relays with contactors in the motor starter, overload relays are designed to open the starting circuit and cut the power to the motor if it begins to draw too much current for an extended time. Ol supp 35 overload relays siemens ic 10 2012 775 generaldata 7 available not available 1 sirius 3ru21 thermal overload relays use a bimetal contactor and therefore do not require a control supply voltage.
Overload relays thermal overload relays product catalog. Industrial controls catalog siemens speedfax previous folio. As the electronic overload relay supports the transmission of analog process variables such as currents, system processes can be. Overload relays sirius 3rb3 electronic overload relays. All offered thermal overload relays can be matched with a corresponding main contactor. Under the same condiing performance of a heater conventional thermal adjustment tions the trip time will be the less solidstate overload. Protection of 3 phase ac motors in sinusoidal 5060hz network. Thermal units are for use in motor starters to help provide motor protection up to 266 full load amps. Siemens 3ru11161kb0 class 10 thermal overload relay for direct mounting on size s00 contactors 3rt1015, 3rt1016 and 3rt1017, is adjustable from 9a to 12a and has phase loss protection. Automatic or manual reset adjustment a manual test button is provided to test the operation of the 3pole overload relay control contacts w15% nominal trip current adjustment accept either standard class 20 or quick trip nema class 10 heater elements without any other changes or adjustments available with a normally open contact.
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