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.
Product Positioning
The 3RH1911-1FA11 is a front-mounted auxiliary contact module from the Siemens SIRIUS series, providing a combination of one normally open and one normally closed contact, suitable for basic signal feedback and interlocking control applications.
Core Product Advantages and Features
1NO+1NC contact combination
It has both normally open and normally closed contacts to meet the signal requirements of basic control circuits.
Screw terminal wiring
The screw terminal design simplifies wiring and construction, and makes future maintenance easy to identify.
Front snap-fit installation
It is snap-on mounted on the front of the S00 size auxiliary and motor contactor.
Lightweight and compact structure
Its compact size makes it suitable for control box configurations with limited space.
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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.
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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.
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3RH1911-1AA10
The Siemens SIRIUS 3RH1911-1AA10 auxiliary contact module features one normally open contact (1NO), a rated current of 10A, and top-mounted screw terminals. It conforms to EN 50005 standards, is suitable for S00 size bodies, and allows for quick-release expansion of the number of control circuits.