Siemens 3SK2112-1AA10 3SK21121AA10 Circuit protection 24 V DC

SIRIUS safety relay 3SK2 basic unit series 10 F-DI, 2 F-DQ, 1 DQ

SIRIUS safety relay basic unit 3SK2 series 10 F-DI, 2 F-DQ, 1 DQ, 24 V DC parameterizable via SIRIUS Safety 22.5 mm wide Screw terminals up to SILCL 3 (DIN EN 62061) up to Performance Level E (ISO 13849-1) Output extensions 3SK1 and fail-safe motor starters 3RM1 can be connected via device connector SIRIUS 3SK2 basic unit for demanding safety applications with several safety functions.
The 3SK2 basic units offer a wide range of inputs and outputs for demanding safety applications with several independant safety functions. Powerful semiconductor outputs, as well as the expandability by additional 3SK1 output extensions and seamless integration in the main circuit with the fail-safe motor starters 3RM1 by means of device connectors offer flexible application possibilities. Extensive logic functions are available to parameterize independant shutdowns of the fail-safe outputs. The SIRIUS Safety engineering software ENABLES simple commissioning and offers extensive diagnostic options. Simple implementation, e.g. of muting and protective door monitoring by pre-fabricated logic blocks is possible.
22.5 mm units with 10 inputs and 2 semiconductor outputs or 45 mm with 20 inputs and 4 outputs, all available with screw or spring-type terminals (push-in).
Extensive accessories such as diagnostic display, sealing covers, push-in flaps for wall mounting and coding pins simplify the handling. Output extensions can be used by means of device connectors without additional wiring expenditure.
Safety is a SIRIUS business.

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Highlights & Details

• Maximum functionality in minimal space. Variety of inputs and outputs with low width
• Selective off by independent outputs. Higher cost-effectiveness and modularity: expandable with 3 SK1 output extensions via the device connector (less wiring)
• End-to-end unit: seamless integration of the motor starter SIRIUS 3RM 1 by means of device connector
• High Flexibility: can be parameterized with simple software
• Individually selectable timing functions

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