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Siemens: Relays - Contactors - Limit Switches

Siemens World Series: stocking distributor of relays, contactors, motor protectors, limit switches, fuses.

Siemens World Series

We maintain a complete inventory of Siemens relays, contactors, circuit breakers, motor protectors, limit switches, etc. - for immediate shipment.
See our complete Siemens catalog & price lis

Siemens World Series product line prior to the 2000's
Siemens control relays Siemens offers a full line of industrial control relays. Shown here is the siemens 3TH4 series relay, which features built-in auxiliary contacts. A miniature version is also available.

Click here for information on control relays and photos.
Click here for information on safety relays and photos.

Siemens contactors There is a Siemens motor starter contactor in all sizes up to 500 horsepower. Note that all connection terminals include safety covers to protect service personnel.

Click here for information on Siemens 3TF Contactors , Siemens 3TF3 Contactors and photos
and replacement coils

Siemens overload relays Siemens overload relays are dial-adjustable and do not need additonal heaters. They are "class 10" meaning they will trip in 10 seconds on a locked-rotor condition, thereby greatly increasing motor protection.

Click here for information on 3UA5000 overload relays - photos.
Click here for information on 3UA5200 overload relays - photos.
Click here for information on 3UA5400 overload relays - photos.
Click here for information on 3UA5500 overload relays - photos.
Click here for information on 3UA5800 overload relays - photos.
Click here for information on 3UA6000 overload relays.
Click here for information on 3UA7020 overload relays - photos.

siemens limit switches siemens limit switches set an industry standard for ruggedness and durability. The 3SE31 series have cast aluminum housings for rugged durability.

Information on limit switches and photos.

Information on the updated 3SE2 limit switches and photos.

siemens motor protectors Siemens motor circuit protectors provide complete motor protection. They consist of a circuit breaker device with thermal and magnetic trips, plus a built-in adjustable motor overload.

Click here for information on Siemens Motor Protectors. and photos

siemens fuses Most imported machinery includes siemens DIN Standard fuses as shown here.

Click here for information on Siemens fuses and Sitor Drive Fuses and photos

720 DC contactors Type 720 contactors provide an excellent method of DC power switching. They are available in single-pole, single-pole double-throw, and also in reversing versions.

Click here for information on Type 720 DC contactors.

repair contact kits Repair kits are available for for the older 3TB and 3TF contactors.

Click here for information on 3TY6 contact repair kits for 3TB contactors and photos.

Click here for information on 3TY7 contact repair kits for 3TF contactors and photos.