Wieland - SNO 4063K - Dual-Channel Safety Relay, 3NO, 24 V AC/DC

The Wieland SNO 4063K is a dual-channel safety relay designed for emergency stop and safety gate applications, offering high reliability and compliance with international safety standards. Equipped with three positively driven normally open (NO) contacts, it ensures safe interruption of control circuits in hazardous situations. 

Key Features:

• Model: SNO 4063K

• Brand: Wieland

• Part Number: R1.188.0990.0

• Supply Voltage: 24 V AC/DC

• Safety Contacts: 3 NO, positively driven

• Control Channels: Dual-channel operation

• Reset Modes: Manual or automatic start

• Monitoring Functions: Cross monitoring and synchro-check

• Safety Standards Compliance: EN 60204-1, EN ISO 13849-1 (PL e), EN 62061 (SIL 3)

• Protection Class: IP40 (housing), IP20 (terminals); requires installation in an IP54 enclosure

• Operating Temperature Range: –25 °C to +55 °C

• Mounting: DIN rail

• Dimensions (W × H × D): 22.5 mm × 114 mm × 96.5 mm

• Weight: Approximately 0.21 kg

• Applications: Suitable for emergency stop circuits, safety gate monitoring, and integration with safety mats or light curtains in industrial automation systems.