Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Schmersal
Manufactured in Germany by Schmersal, the 101176303 safe entry module is designated as type AST11 ST-AS4. Request a quote by submitting the exact part number, quantity, and application requirements.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Schmersal 101176303. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.