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.
Product Positioning
The 3RH1911-1FA22 is a front-mounted auxiliary contact module from the Siemens SIRIUS series, providing two sets of normally open and two sets of normally closed contacts, suitable for S00 size contactors and control relays.
Core Product Advantages and Features
2NO+2NC mixed contact
It features both normally open and normally closed contacts, allowing a single module to meet various control signal requirements.
Screw terminal wiring
The screw terminal design ensures secure wiring and is suitable for long-term stable operation.
Front snap-fit installation
It is snap-on mounted on the front of S00 series contactors and control relays.
Lightweight
Designed specifically for the S00 small chassis, saving control box installation space.
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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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3RH1911-1FA11
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.
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3RH1911-1BA01
The Siemens SIRIUS 3RH1911-1BA01 auxiliary contact module features one set of normally closed contacts (1NC), with screw terminals connected from below. It conforms to EN 50005 standards and is suitable for S00 size contactor relays. It can be quickly snapped onto the side or front of the main unit to expand the number of circuits.