Machine Safety Capacitive Two-Hand Control SC4 SC3 SC4 SET Complete SC4 SET Basic SC4 SET Protect Protection elements SC3 (SafeCAP SC3) SCA4 (Switch A) SCB4 (Switch B) Safety Relay 3SK1 (Advanced) MCR-225 Relay Functional Safety Shaft Copying Systems Encoders SIL2/PLd and SIL3/PLe Safe Speed Monitors