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.
Product Positioning
The 3RH1911-1HA22 is a front-mounted auxiliary contact module from the Siemens SIRIUS series. It provides two sets of normally open and two sets of normally closed contacts, allowing the control circuit to obtain both action and stop signals simultaneously.
Core Product Advantages and Features
2NO+2NC mixed contact
It has both normally open and normally closed contacts, and one module can meet multiple signal requirements.
Screw terminal wiring
The screw terminal design ensures secure wiring and makes it easy to check the wiring status during maintenance.
Front snap-fit installation
It is snap-on mounted on the front of the S00 size contactor relay.
Suitable for small chassis
Designed specifically for the S00 small chassis, requiring minimal installation space.
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3RH1911-2FA40
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.
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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.
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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.