MSI-SR3

Safety-Relays Category 4

The safety relay MSI-SR3 is an Emergency Stop switching device and safety door monitor intended to protect people from dangerous production processes in accordance with EN 60204-1 Stop-0 and EN 954-1, Cat. 4.

The MSI-SR3 is particularly suited for use as a control unit and interface for connecting four-wire or two-wire safety mats/switching strips.

Advantages

• 2-channel Emergency Stop wiring with cross circuit recognition
  
  
• Monitored start button
  
  
• Manual or automatic start (1.5 s delay)
  
  
• 2 switching off paths, 1 normally closed contact as signal circuit
  
  
• Monitoring of four-wire safety mats (with potential-free normally open contacts)
  
  
• Monitoring of two-wire safety mats/switching strips (with potential-free normally open contacts)
  
  
• Housing width: 22.5 mm