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Input Expansions

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3SK1220-1AB40
SIRIUS SAFETY RELAY ADV INPUT EXPANSION
SIRIUS safety relay Input expansion Advanced Input expansion for an additional 2-channel or two 1-channel sensors Us = 24 V DC screw terminal
3SK1220-2AB40
SIRIUS SAFETY RELAY ADV INPUT EXPANSION
SIRIUS safety relay Input expansion Advanced Input expansion for an additional 2-channel or two 1-channel sensors Us = 24 V DC Spring-type terminal (push-in)