Sensor box SRBC-CA3-YR90-N-1-ZU-C2P20 for electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators. Authorisation=(* RCM Mark, * c CSA us (OL)), CE mark (see declaration of conformity)=(* to EU directive for EMC, * in accordance with EU RoHS directive), Materials note=(* Contains PWIS substances, * Conforms to RoHS), Safety Integrity Level (SIL)=SIL 2, Ambient temperature=-20 - 80 øC