R1.188.0500.1 Wieland Safety Relay
Key Specifications

• Manufacturer: Wieland
• Model/Type: SNO4003K-A (Base Unit)
• Supply/Control Voltage: 24V AC/DC
• Contact Configuration: 3 Safety Contacts (NO) + 1 Auxiliary Contact (NC)
• Switching Parameters: 230V AC / 5A
• Mounting: DIN Rail
• Safety Category: Cat. 4 / PL d (ISO 13849-1)
• Operating Temperature: -25 °C to 55 °C
• IP Rating: IP40 (housing), IP20 (terminals)
• Dimensions: 22.5 mm x 96.5 mm x 114 mm