Relay (electric relay)

The Siemens SIRIUS 3SK1121-1CB44 is a relay output type safety relay that provides two sets of instantaneous and two sets of delayed (5~300 seconds) normally open safety contacts, screw terminal wiring, rated voltage 24VDC, and meets PL e, Cat.4 safety class. It is suitable for safety circuits that require ultra-long delay shutdown.

The Siemens SIRIUS 3SK1121-1CB42 is a relay output type safety relay that provides two sets of instantaneous and two sets of delayed (0.5~30 seconds) normally open safety contacts, screw terminal wiring, rated voltage 24VDC, and meets PL e, Cat.4 safety class. It is suitable for safety circuits that require long delay shutdown.

The Siemens SIRIUS 3SK1121-1CB41 is a relay output type safety relay that provides two sets of instantaneous and two sets of delayed (0.05~3 seconds) normally open safety contacts, screw terminal wiring, rated voltage 24VDC, and meets PL e, Cat.4 safety class. It is suitable for safety circuits that require short-delay shutdown.

The Siemens SIRIUS 3SK1121-1AB40 is a relay output type safety relay, providing 3 sets of normally open safety contacts and 1 set of normally closed signal contacts. It does not have a delay function, uses screw terminal wiring, has a rated voltage of 24VDC, meets PL e and Cat.4 safety classes, and is suitable for general safety interlock circuits.

The Siemens SIRIUS 3SK1120-1AB40 is an entry-level electronic safety relay in the SIRIUS 3SK1 series. It features a solid-state output design, provides a 0.5A electronically enabled circuit, uses screw terminal wiring, has a rated voltage of 24VDC, meets PL e and Cat.4 safety standards, and is suitable for small, single-safety-circuit applications.

The Siemens SIRIUS 3SK1112-1BB40 safety relay basic unit features electronic output, two activation circuits, 24V DC power supply, and complies with Cat.4/PLe and SIL3 safety levels. It can monitor devices such as emergency stops and safety doors, supports automatic reset and cross-short circuit detection, and is suitable for single-channel safety circuits.

The Siemens SIRIUS 3SK1111-2AB30 is a basic unit of the standard series relay-type safety relay. It has 3 sets of normally open (NO) enable contacts and 1 set of normally closed (NC) signal contacts, 24V AC/DC power supply, and spring-loaded (push-in) terminals. It is quick and easy to install and wire, and is suitable for safety circuit applications such as emergency stop and safety door monitoring.

The Siemens SIRIUS 3SK1111-1AW20 is the basic unit of the SIRIUS 3SK1 series safety relays. It provides a wide power supply range from 110V to 240V AC/DC, offers 4 sets of safety contacts, screw terminal connections, and can monitor devices such as emergency stops and safety light curtains. It has a switching life of up to 10 million cycles and is suitable for various voltage environments.

The Siemens SIRIUS 3SK1111-1AB30 is the basic unit of the SIRIUS 3SK1 series safety relays. It is powered by 24V AC/DC, has 3 sets of normally open contacts and 1 set of normally closed signal contacts, uses screw terminals, and meets PLe and SIL3 safety levels. It is suitable for monitoring safety circuits such as emergency stop and safety door.

The Siemens SIRIUS 3RU6116-1FB0 is an S00 size three-pole thermal overload relay with a current setting range of 3.5 to 5.0A. It is used for motor overload protection, supports manual and automatic reset modes, and comes with one set of normally open and one set of normally closed auxiliary contacts. It can be assembled with a corresponding contactor to form a motor starter and is suitable for general power circuit motor protection applications.

The Siemens SIRIUS 3RU2946-3AA01 is an independent mounting bracket accessory suitable for S3 size overload relays of the 3RU21, 3RB30, and 3RB31 series. It allows the relays to be installed independently in the control panel, detached from the contactor. The main circuit uses screw terminal connections and can be fixed with DIN rails, facilitating flexible configuration and maintenance within the distribution box.

The Siemens SIRIUS 3RU2936-3AA01 is an independent mounting bracket accessory, suitable for 3RU21, 3RB30, 3RB31, and 3RR2 series S2 size overload relays. It can be installed independently on the control panel without the contactor. The main circuit uses screw terminals and has passed multiple international certifications such as UL, CSA, and CE.

The Siemens SIRIUS 3RU2926-3AC01 is an independent mounting bracket accessory suitable for 3RU21, 3RB30, 3RB31, and 3RR2 series S0 size overload relays. The main circuit uses spring terminals for quick and easy screwless wiring. It can be mounted on a 35mm DIN rail and has an IP20 protection rating.

The Siemens SIRIUS 3RU2926-3AA01 is an independent mounting bracket accessory suitable for 3RU21, 3RB30, 3RB31, and 3RR2 series S0 size overload relays. The main circuit uses screw/snap-fit terminals and can be mounted on a 35mm DIN rail. The operating temperature range is -20°C to 70°C.

The Siemens SIRIUS 3RU2916-3AC01 is an independent mounting bracket accessory suitable for 3RU21, 3RB30, 3RB31, and 3RR2 series S00 size overload relays. Both the main and auxiliary circuits use spring terminals and can be mounted on a 35mm DIN rail. The operating temperature range is -20°C to 70°C.