The overload relay z can be mounted directly on contactor dil m up to 250 a. Siemens products may only be used for the applications described in the. Reduced number of variants reduces inventory costs and. Read online or download, available as pdf or individually configurable. Siprotec 7sj600 numerical overcurrent, motor and overload relay. Iec overload relays general sirius 3ru11 bimetallic class 10 overload relays description 3ru11 over. It can be directly coupled to the contactors or remotely mounted. A normally open or normally closed auxiliary contact is available as an option. Overload relay heater tables approximate ac motor amps technical 883 siemens industrial control products heater tables and replacement parts 17 formulaapproximate full load amps for other motors 208 volt full load amp 230 volt current 110% 2 phase fla 0. Siemens sirius 3ru1146 plugin overload relays view pdf catalog page 3ru1146 plugin overload relay selection chart.
Overload relay siemens sirius 3ru21161cb0 automation24. The tripping classes describe time intervals within which the overload relays have to trip. Sirius thermal overload relays sirius 3ru electronic overload relays sirius 3rb. Electronic overload relays esp200 solid state overload relay protects and serves, available with both automatic and remote reset features building and improving on past successes, selfpowered esp200. These overload relays provide accuracy unmatched in the market. The specifications in relation to shortcircuit protection for contactors and overload relays. As an already registered user simply enter your userame and password in. Ol supp 32 overload relays generaldata 772 siemens ic 10 2012 7 overview available not available 1 motor currents up to 820 a can be. In addition to the nema contactor applications, it also can be used with other types of.
Ol supp 32 overload relays generaldata 772 siemens ic 10 2012 7 overview available not available 1 motor currents up to 820 a can be recorded and evaluated by a current. Download it today to see just how quickly you can select products and retrieve information. Overload relays are designed to imitate on a much smaller scale the heating patterns of the electric motor it is installed in, and interrupt the current once the heat sensing mechanism in the relay reaches. An overload relay will allow a harmless temporary overload such as an inrush condition during motor starting, however, will trip if current is high enough to cause motor damage over time. Sirius 3ru11 overload relays feature manual or automatic reset, adjustable current settings, ambient compensation, and a differential trip bar that causes the unit to trip faster in the event of a phase loss. Thermal overload relays 3pole contactors and overload. Sirius 3ru2 thermal overload relays sirius 3rb3 solidstate.
With repeat accuracy of greater that 99%, trips can be set to the most specific conditions, resulting in both longer motor life and cost. Overload relay heater tables technical us forest service. Siemens industrial controls product catalog aai, a powerflo. Siemens products may only be used for the applications described in the catalog and in the. Selfsupplying electronics avoids need for connection of an external supply voltage. Overload relays solid state esp200, class 48, 958 and 958l. Designed to replace thermal, or esp100 overload relays for any application. The control circuit contact must be wired in series with the coil of the contactor so that the contactor will deenergize. Industrial controls catalog industrial controls siemens usa. The esp200 solid state overload relay is so simple to configure. Industrial controls catalog siemens industrial controls previous folio. Access relay parameters the spreadsheet that is attached to this pdf details the e300 parameters.
Overload relay siemens sirius 3ru21161cb0 order now online at unbeatably low prices from automation24 in stock. Siemens 3ua overload relays overload relays siemens. Sirius innovations thermal overload relays sirius 3ru2 solidstate overload relays sirius 3rb3 edition answers for industry. Complete motor protection can be achieved through the sirius family of overload relays olrs. Under the same condiing performance of a heater conventional thermal adjustment tions the trip time will be the less. Sirius 3ru11 the siemens sirius 3ru11 is a bimetal type of overload relay overload relay with the heater elements as an integral part of the design.
The control circuit contact must be wired in series with the coil of the contactor so that the contactor will deenergize when an overload occurs. Bimetal overload relay the heater elements as an integral part of the design. Industrial controls catalog 966 siemens speedfax previous folio. In order to protect motors against shortcircuits, it is advisable to use fuses am in conjunction with the thermal overload relay.
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. Overload relay heater tables approximate ac motor amps technical 883 siemens industrial control products heater tables and replacement parts 17 formulaapproximate full load amps for other. Industrial control product catalog 2017 3 overload relays overload relays generaldata 774 siemens ic 10 2012 7 available 1 exception. Thermal overload relays are economic electromechanical protection devices for the main circuit.
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. Overload relays are designed to imitate on a much smaller scale the heating patterns of the electric motor it is installed in, and interrupt the current once the heat sensing mechanism in the relay reaches a certain temperature. Technical catalogue thermal overload relays electronic. Manual sirius innovations sirius 3ru2 3rb3 overload relays. Siemens offers overload relays in all three trip classes. Using the create pdf button on the righthand side, you have the option of. Overload relays sirius 3ru2 thermal overload relays. Easily accessible reset button, provides visible and audible indications to ensure the tripped overload is ready to restart.
Industrial controls catalog to determine frame size of replacement solid state overload, refer to retrofit plates table above. With busbar connection or as straightthrough transformer. Motor horsepower complete starter starter components 3 phase, 1800 rpm contactor. They offer reliable protection for motors in the event of overload or phase failure. Similarly, motors that require only onethird, onefourth, or onefifth the overloads fla capability can use the. Manual sirius 3ru thermal overload relays sirius 3rb. Sirius innovations thermal overload relays sirius 3ru2 solidstate overload. Industrial controls catalog to determine frame size of replacement solid state overload, refer to retrofit plates. Overload relays panel mounted class 48 technical 481 siemens industrial control products panel mounted overload relays 8 ambient temperature other than 40.
Reference manual protection equipment overload relays. Reference manual protection equipment overload relays siemens. Sf 16148 formulaapproximate full load amps for other motors 208 volt full load amp 230 volt current 110% 2phase fla ov0. Dimension drawings contactor with builton overload relay see contactors and contactor combinations. Additional resources e300 electronic overload relay installation instructions, publication 193in080 provides complete user information for the e300. Esp200 overload relays provide accuracy unmatched in the market. The 3ru21 thermal overload relays up to 40 a have been designed for. It has the same dimensions and footprint of the esp100 overload relays. Numerical overcurrent, motor and overload relay 6 siemens lsa 2. Overload relay siemens sirius 3ru21161jb0 order now online at unbeatably low prices from automation24 in stock. Siemens industry catalog automation technology industrial controls protection equipment overload relays. Find everything you need including iec and nema motor control, solid state control, control circuit components and circuit breakers and switches. Connection of 3rb20 3rb21 and 3rb30 3rb31 overload relays. Siemens canada limited industrial control product catalog 2019.
Overload relays siemens 2011 3 general data overview 1 motor currents up to 820 a can be recorded and evaluated by a current measuring module, e. The thermal overload relay can make up a compact starting solution together with contactors. Industrial controls catalog siemens speedfax previous folio. Overload relay siemens sirius 3ru21161jb0 automation24. Ol supp 32 overload relays generaldata 772 siemens ic 10 2012 7 overview available not available 1 motor currents up to 820 a can be recorded and evaluated by a current measuring module, e. Electronic overload relays esp200 solid state overload relay protects and serves, available with both automatic and remote reset features building and improving on past successes, selfpowered esp200 overload relays are a revolution for both industrial and construction applications. View and download siemens 3rb12 instructions manual online. Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. Overload relay in a the following illustration shows a motor circuit with a motor circuit manual starter and an overload relay.
Square d manufactures three types of overload relays, the melting alloy, the bimetallic, and solid state. The manual or automatic reset feature on this sirius series relay helps handle nuisance tripping when automatic reset is enabled and prevents. Siemens ag, its regional offices, and associated companies hereinafter referred to as siemens cannot guarantee all the properties of an overall installation or machine that has. Download it today to see just how quickly you can select products and retrieve. 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 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. Sirius innovations sirius 3ru2 thermal overload relays sirius 3rb3 solidstate overload relays manual, 092014, a5e03656507420arsaa002 11 1. Sirius innovations sirius 3ru2 thermal overload relays. Motor horsepower complete starter starter components 3 phase, 1800 rpm contactor overload relay. To access this file, click the attachments link the paper clip and doubleclick the file. Overcurrent protection 7sj602 application 532 siemens sip edition no.
577 437 700 900 414 1211 1399 489 23 796 579 1382 727 1535 1228 1115 541 993 310 515 1419 988 785 16 311 567 835 700 560 1167 1445 1488 1213 1432 1283 824 373 1064 316 677 1200 1337 652