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OEM panel designs
Compact and reliable 5HP motor control
Communication: efficient industrial communication
PNP switching output
Siemens 3SK1121-1CB42 Bosch Rexroth OEM panel designsSiemens 3SK1121 1CB42 SIRIUS 3SK1 Safety Relay 3NO + 1NC, 24V DC, Basic Unit, SIL 3, PL e Overview The Siemens 3SK1121 1CB42 is a SIRIUS 3SK1 safety relay designed for use in safety circuits requiring up to SIL 3 PL e Category 4 protection. With 3 normally open (NO) and 1 normally closed (NC) contacts, this basic unit supports 24V DC operation and uses screw terminals for secure wiring. Ideal for emergency stop buttons, light curtains, and safety
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