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.
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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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3RH1140-1BG40
The Siemens SIRIUS 3RH1140-1BG40 contact relay features 4 normally open contacts (4NO), a coil voltage of DC 125V, and S00 size screw terminal wiring. It can be mounted on a DIN rail and is suitable for contactor auxiliary switching applications in DC control circuits.
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3RH1140-1BB40
The Siemens SIRIUS 3RH1140-1BB40 contact relay features 4 normally open contacts (4NO), a coil voltage of DC 24V, a rated current of 10A, and S00 size screw terminal wiring. It can be installed on a standard DIN rail and is suitable for low-voltage DC control circuits.