3RH1911-1HA01
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.
Product Positioning
The 3RH1911-1HA01 is a front-mounted auxiliary contact module from the Siemens SIRIUS series, providing one set of normally closed auxiliary contacts for signal feedback or interlocking control of S00 miniature frame contactor relays.
Core Product Advantages and Features
Single normally closed contact
It provides one set of normally closed auxiliary contacts, suitable for interlocking and abnormal signal feedback applications.
Screw terminal wiring
The screw terminal design ensures stable and reliable wiring.
Front snap-fit installation
It is snap-on mounted on the front of the S00 size contactor relay, allowing for quick installation.
Conforms to international standards
The design conforms to the relevant auxiliary switch specifications of IEC 60947-5-1.
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3RH1911-1HA22
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.
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3RH1911-1FC22
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.
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3RH1911-1FA22
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.