This Schneider Electric 33903 is an open position block designed for Ronis serr key interlock systems. It functions as a safety component, ensuring that machinery cannot operate unless a specific key is in the correct position. This type of interlock is critical for maintaining safe operating procedures in industrial environments where hazardous machinery is present.

Technical details

• Product Type: Open Position Block
• Locking Mechanism Compatibility: Designed for Ronis serr key interlock systems
• Functionality: Confirms the presence and correct positioning of a key within the interlock mechanism.
• Electrical Contact Configuration: Open position contact, indicating the absence of a key or incorrect key placement.
• Series/Family: Part of Schneider Electric's safety interlock solutions.
• Mounting Type: Typically panel-mounted for integration into control cabinets or machine frames.
• Operating Principle: Mechanical key detection triggering an electrical contact state change.
• Environmental Rating: Suitable for industrial environments; specific IP rating should be verified against manufacturer datasheet.

Applications & compatibility

The Schneider Electric 33903 open position block is integral to safety circuits on a wide range of industrial machinery. It is commonly found in applications requiring strict adherence to safety protocols, such as on packaging machines, automated assembly lines, presses, and other equipment where operator access must be controlled during operation.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the 33903 or contact our technical team for cross-reference assistance with compatible Schneider Electric safety components.