Rockwell Automation 800FP-MT44PX02S 800F PB,22mm Twist To Release E-Stop,40 mm Twist to Release,2 N.C.,2 N.C.,Self Monitoring,No Power Module (Lamp Type),Red,No Power Module,Plastic,No Power Module (Voltage),Screw Contact Block,Plastic Latch Mount,No Screw,None (Monolithic Circuit)