Procurement Zone

The 3RH1921-1FA22 is a SIRIUS 3RT1 contactor with a front-mounted 4-pole auxiliary switch assembly, consisting of 2 normally open and 2 normally closed contacts, screw terminal wiring, conforming to EN50005 standard, and suitable for S0~S3 size contactors, expanding the number of signal points.

The 3RH1921-1EA20 is a SIRIUS 3RT1 contactor with an auxiliary switch assembly on the first side, featuring 2 NO contacts, screw terminal wiring, conforming to EN50005 standard, applicable to S0~S12 size contactors, and capable of 10 million mechanical operations.

The 3RH1921-1EA11 is a SIRIUS 3RT1 contactor with an auxiliary switch assembly on the first side. It has one normally open and one normally closed contact assembly, screw terminal wiring, conforms to EN50005 standard, and is suitable for contactors of sizes S0 to S12, with a wide range of applications.

The 3RH1921-1EA02 is a SIRIUS 3RT1 contactor with an auxiliary switch assembly on the first side. It has two normally closed contacts, screw terminal wiring, conforms to EN50005 standard, and is suitable for contactors of sizes S0 to S12. It is suitable for power failure interlocking signal applications.

The 3RH1921-1DA11 is an auxiliary switch group mounted on the first side of the SIRIUS 3RT1 contactor. It has one normally open and one normally closed contact group, screw terminal wiring, conforms to EN50012 standard, is suitable for contactors of sizes S0 to S12, and has a mechanical life of 10 million cycles.

The Siemens SIRIUS 3RH1921-1CD10 pre-amplifier switch features one set of early-closing normally open auxiliary contacts and screw terminals. It is mounted on the front of the 3RT1 series contactor and is suitable for timing control circuits such as star-delta start.

The Siemens SIRIUS 3RH1921-1CD01 pre-amplifier switch features one set of delayed-opening normally closed auxiliary contacts with screw terminals. It is mounted on the front of the 3RT1 series contactor and is suitable for timing control and interlocking circuit designs.

The Siemens SIRIUS 3RH1921-1CA10 pre-amplifier switch features one set of instantaneous normally open auxiliary contacts, a 10A/690V screw terminal design, and snap-fit mounting on the front of the 3RT1 series contactor, ensuring stable signal feedback.

The Siemens SIRIUS 3RH1921-1CA01 pre-amplified auxiliary switch features one set of instantaneous normally closed auxiliary contacts, screw terminals, a mechanical life of up to 10 million cycles, and snap-fit installation on the front of the 3RT1 series contactor.

The Siemens SIRIUS 3RH1911-2FA40 pre-amplified auxiliary contact module features 4 normally open auxiliary contacts, spring-loaded terminals, and is compatible with S00 size 3RH10/3RT10 series contactors and relays, offering a high number of contacts.

Siemens SIRIUS 3RH1911-1HA22 front auxiliary contact module, with 2 sets of normally open and 2 sets of normally closed auxiliary contacts, screw terminals, suitable for S00 size 3RH10/3RT10 series contactors and relays.

The Siemens SIRIUS 3RH1911-1HA01 front auxiliary contact module features one set of normally closed auxiliary contacts and a screw terminal design. It is suitable for S00 size 3RH10/3RT10 series contactors and motor starters.

Siemens SIRIUS 3RH1911-1FC22 front auxiliary contact module, 2 sets of normally open and 2 sets of normally closed changeover (2U) auxiliary contacts, screw terminals, suitable for S00 size contactors, relays and motor contactors.

The Siemens SIRIUS 3RH1911-1FA22 front auxiliary contact module features 2 sets of normally open and 2 sets of normally closed auxiliary contacts, a screw terminal design, and front-mounted snap-fit mounting on S00 series contactors and control relays.

The Siemens SIRIUS 3RH1911-1FA11 front auxiliary contact module features one normally open and one normally closed auxiliary contact, with screw terminal design, suitable for S00 size auxiliary contactors and motor contactors.